kovidgoyal/kitty
1
1
Fork 0
mirror of https://github.com/kovidgoyal/kitty.git synced 2024-09-11 14:45:31 +03:00
Code Issues Projects Releases Wiki Activity
314da124f3
kitty/glfw/wl_window.c

2757 lines
107 KiB
C
Vendored
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

//========================================================================
// GLFW 3.4 Wayland - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
// It is fine to use C99 in this file because it will not be built with VS
//========================================================================
#define _GNU_SOURCE
#include "internal.h"
#include "backend_utils.h"
#include "linux_notify.h"
#include "wl_client_side_decorations.h"
#include "../kitty/monotonic.h"
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <sys/mman.h>
#define debug debug_rendering
static GLFWLayerShellConfig layer_shell_config_for_next_window = {0};
static bool
is_layer_shell(_GLFWwindow *window) { return window->wl.layer_shell.config.type != GLFW_LAYER_SHELL_NONE; }
static void
activation_token_done(void *data, struct xdg_activation_token_v1 *xdg_token, const char *token) {
for (size_t i = 0; i < _glfw.wl.activation_requests.sz; i++) {
glfw_wl_xdg_activation_request *r = _glfw.wl.activation_requests.array + i;
if (r->request_id == (uintptr_t)data) {
_GLFWwindow *window = _glfwWindowForId(r->window_id);
if (r->callback) r->callback((GLFWwindow*)window, token, r->callback_data);
remove_i_from_array(_glfw.wl.activation_requests.array, i, _glfw.wl.activation_requests.sz);
break;
}
}
xdg_activation_token_v1_destroy(xdg_token);
}
static const struct
xdg_activation_token_v1_listener activation_token_listener = {
.done = &activation_token_done,
};
static bool
get_activation_token(
_GLFWwindow *window, uint32_t serial, GLFWactivationcallback cb, void *cb_data
) {
#define fail(msg) { _glfwInputError(GLFW_PLATFORM_ERROR, msg); if (cb) cb((GLFWwindow*)window, NULL, cb_data); return false; }
if (_glfw.wl.xdg_activation_v1 == NULL) fail("Wayland: activation requests not supported by this Wayland compositor");
struct xdg_activation_token_v1 *token = xdg_activation_v1_get_activation_token(_glfw.wl.xdg_activation_v1);
if (token == NULL) fail("Wayland: failed to create activation request token");
if (_glfw.wl.activation_requests.capacity < _glfw.wl.activation_requests.sz + 1) {
_glfw.wl.activation_requests.capacity = MAX(64u, _glfw.wl.activation_requests.capacity * 2);
_glfw.wl.activation_requests.array = realloc(_glfw.wl.activation_requests.array, _glfw.wl.activation_requests.capacity * sizeof(_glfw.wl.activation_requests.array[0]));
if (!_glfw.wl.activation_requests.array) {
_glfw.wl.activation_requests.capacity = 0;
fail("Wayland: Out of memory while allocation activation request");
}
}
glfw_wl_xdg_activation_request *r = _glfw.wl.activation_requests.array + _glfw.wl.activation_requests.sz++;
memset(r, 0, sizeof(*r));
static uintptr_t rq = 0;
r->window_id = window->id;
r->callback = cb; r->callback_data = cb_data;
r->request_id = ++rq; r->token = token;
if (serial != 0)
xdg_activation_token_v1_set_serial(token, serial, _glfw.wl.seat);
xdg_activation_token_v1_set_surface(token, window->wl.surface);
xdg_activation_token_v1_add_listener(token, &activation_token_listener, (void*)r->request_id);
xdg_activation_token_v1_commit(token);
return true;
#undef fail
}
static struct wl_buffer* createShmBuffer(const GLFWimage* image, bool is_opaque, bool init_data)
{
struct wl_shm_pool* pool;
struct wl_buffer* buffer;
int stride = image->width * 4;
int length = image->width * image->height * 4;
void* data;
int fd, i;
fd = createAnonymousFile(length);
if (fd < 0)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Creating a buffer file for %d B failed: %s",
length, strerror(errno));
return NULL;
}
data = mmap(NULL, length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (data == MAP_FAILED)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: mmap failed: %s", strerror(errno));
close(fd);
return NULL;
}
pool = wl_shm_create_pool(_glfw.wl.shm, fd, length);
close(fd);
if (init_data) {
unsigned char* source = (unsigned char*) image->pixels;
unsigned char* target = data;
for (i = 0; i < image->width * image->height; i++, source += 4)
{
unsigned int alpha = source[3];
*target++ = (unsigned char) ((source[2] * alpha) / 255);
*target++ = (unsigned char) ((source[1] * alpha) / 255);
*target++ = (unsigned char) ((source[0] * alpha) / 255);
*target++ = (unsigned char) alpha;
}
}
buffer =
wl_shm_pool_create_buffer(pool, 0,
image->width,
image->height,
stride, is_opaque ? WL_SHM_FORMAT_XRGB8888 : WL_SHM_FORMAT_ARGB8888);
munmap(data, length);
wl_shm_pool_destroy(pool);
return buffer;
}
wayland_cursor_shape
glfw_cursor_shape_to_wayland_cursor_shape(GLFWCursorShape g) {
wayland_cursor_shape ans = {-1, ""};
#define C(g, w) case g: ans.which = w; ans.name = #w; return ans;
switch(g) {
/* start glfw to wayland mapping (auto generated by gen-key-constants.py do not edit) */
C(GLFW_DEFAULT_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_DEFAULT);
C(GLFW_TEXT_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_TEXT);
C(GLFW_POINTER_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_POINTER);
C(GLFW_HELP_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_HELP);
C(GLFW_WAIT_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_WAIT);
C(GLFW_PROGRESS_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_PROGRESS);
C(GLFW_CROSSHAIR_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_CROSSHAIR);
C(GLFW_CELL_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_CELL);
C(GLFW_VERTICAL_TEXT_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_VERTICAL_TEXT);
C(GLFW_MOVE_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_MOVE);
C(GLFW_E_RESIZE_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_E_RESIZE);
C(GLFW_NE_RESIZE_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NE_RESIZE);
C(GLFW_NW_RESIZE_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NW_RESIZE);
C(GLFW_N_RESIZE_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_N_RESIZE);
C(GLFW_SE_RESIZE_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_SE_RESIZE);
C(GLFW_SW_RESIZE_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_SW_RESIZE);
C(GLFW_S_RESIZE_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_S_RESIZE);
C(GLFW_W_RESIZE_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_W_RESIZE);
C(GLFW_EW_RESIZE_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_EW_RESIZE);
C(GLFW_NS_RESIZE_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NS_RESIZE);
C(GLFW_NESW_RESIZE_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NESW_RESIZE);
C(GLFW_NWSE_RESIZE_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NWSE_RESIZE);
C(GLFW_ZOOM_IN_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_ZOOM_IN);
C(GLFW_ZOOM_OUT_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_ZOOM_OUT);
C(GLFW_ALIAS_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_ALIAS);
C(GLFW_COPY_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_COPY);
C(GLFW_NOT_ALLOWED_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NOT_ALLOWED);
C(GLFW_NO_DROP_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NO_DROP);
C(GLFW_GRAB_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_GRAB);
C(GLFW_GRABBING_CURSOR, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_GRABBING);
/* end glfw to wayland mapping */
default: return ans;
}
#undef C
}
static void
commit_window_surface(_GLFWwindow *window) {
// debug("Window %llu surface committed\n", window->id); dont log as every frame request causes a surface commit
wl_surface_commit(window->wl.surface);
}
static void
commit_window_surface_if_safe(_GLFWwindow *window) {
// we only commit if the buffer attached to the surface is the correct size,
// which means that at least one frame is drawn after resizeFramebuffer()
if (!window->wl.waiting_for_swap_to_commit) commit_window_surface(window);
}
static void
set_cursor_surface(struct wl_surface *surface, int hotspot_x, int hotspot_y, const char *from_where) {
debug("Calling wl_pointer_set_cursor in %s with surface: %p and serial: %u\n", from_where, (void*)surface, _glfw.wl.pointer_enter_serial);
wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointer_enter_serial, surface, hotspot_x, hotspot_y);
}
static void
setCursorImage(_GLFWwindow* window, bool on_theme_change) {
_GLFWcursorWayland defaultCursor = {.shape = GLFW_DEFAULT_CURSOR};
_GLFWcursorWayland* cursorWayland = window->cursor ? &window->cursor->wl : &defaultCursor;
if (_glfw.wl.wp_cursor_shape_device_v1) {
wayland_cursor_shape s = glfw_cursor_shape_to_wayland_cursor_shape(cursorWayland->shape);
if (s.which > -1) {
debug("Changing cursor shape to: %s with serial: %u\n", s.name, _glfw.wl.pointer_enter_serial);
wp_cursor_shape_device_v1_set_shape(_glfw.wl.wp_cursor_shape_device_v1, _glfw.wl.pointer_enter_serial, (uint32_t)s.which);
return;
}
}
struct wl_cursor_image* image = NULL;
struct wl_buffer* buffer = NULL;
struct wl_surface* surface = _glfw.wl.cursorSurface;
const int scale = _glfwWaylandIntegerWindowScale(window);
if (!_glfw.wl.pointer) return;
if (cursorWayland->scale < 0) {
buffer = cursorWayland->buffer;
toggleTimer(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, 0);
} else {
if (on_theme_change || cursorWayland->scale != scale) {
struct wl_cursor *newCursor = NULL;
struct wl_cursor_theme *theme = glfw_wlc_theme_for_scale(scale);
if (theme) newCursor = _glfwLoadCursor(cursorWayland->shape, theme);
if (newCursor != NULL) {
cursorWayland->cursor = newCursor;
cursorWayland->scale = scale;
cursorWayland->currentImage = 0;
} else {
_glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: late cursor load failed; proceeding with existing cursor");
}
}
if (!cursorWayland->cursor || !cursorWayland->cursor->image_count)
return;
if (cursorWayland->currentImage >= cursorWayland->cursor->image_count) cursorWayland->currentImage = 0;
image = cursorWayland->cursor->images[cursorWayland->currentImage];
if (!image) image = cursorWayland->cursor->images[0];
if (!image) return;
buffer = wl_cursor_image_get_buffer(image);
if (image->delay && window->cursor) {
changeTimerInterval(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, ms_to_monotonic_t(image->delay));
toggleTimer(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, 1);
} else {
toggleTimer(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, 0);
}
if (!buffer)
return;
cursorWayland->width = image->width;
cursorWayland->height = image->height;
cursorWayland->xhot = image->hotspot_x;
cursorWayland->yhot = image->hotspot_y;
}
set_cursor_surface(surface, cursorWayland->xhot / scale, cursorWayland->yhot / scale, "setCursorImage");
wl_surface_set_buffer_scale(surface, scale);
wl_surface_attach(surface, buffer, 0, 0);
wl_surface_damage(surface, 0, 0,
cursorWayland->width, cursorWayland->height);
wl_surface_commit(surface);
}
static bool
checkScaleChange(_GLFWwindow* window) {
if (window->wl.expect_scale_from_compositor) return false;
unsigned int scale = 1, monitorScale;
int i;
// Check if we will be able to set the buffer scale or not.
if (_glfw.wl.compositorVersion < 3)
return false;
// Get the scale factor from the highest scale monitor that this window is on
for (i = 0; i < window->wl.monitorsCount; ++i)
{
monitorScale = window->wl.monitors[i]->wl.scale;
if (scale < monitorScale)
scale = monitorScale;
}
if (window->wl.monitorsCount < 1 && _glfw.monitorCount > 0) {
// The window has not yet been assigned to any monitors, use the primary monitor
_GLFWmonitor *m = _glfw.monitors[0];
if (m && m->wl.scale > (int)scale) scale = m->wl.scale;
}
// Only change the framebuffer size if the scale changed.
if (scale != window->wl.integer_scale.deduced && !window->wl.fractional_scale)
{
window->wl.integer_scale.deduced = scale;
setCursorImage(window, false);
return true;
}
if (window->wl.monitorsCount > 0 && !window->wl.initial_scale_notified) {
window->wl.initial_scale_notified = true;
return true;
}
return false;
}
static void
update_regions(_GLFWwindow* window) {
if (!window->wl.transparent) {
struct wl_region* region = wl_compositor_create_region(_glfw.wl.compositor);
if (!region) return;
wl_region_add(region, 0, 0, window->wl.width, window->wl.height);
// Makes the surface considered as XRGB instead of ARGB.
wl_surface_set_opaque_region(window->wl.surface, region);
wl_region_destroy(region);
}
// Set blur region
if (_glfw.wl.org_kde_kwin_blur_manager) {
if (window->wl.has_blur) {
if (!window->wl.org_kde_kwin_blur)
window->wl.org_kde_kwin_blur = org_kde_kwin_blur_manager_create(_glfw.wl.org_kde_kwin_blur_manager, window->wl.surface);
if (window->wl.org_kde_kwin_blur) {
// NULL means entire window
org_kde_kwin_blur_set_region(window->wl.org_kde_kwin_blur, NULL);
org_kde_kwin_blur_commit(window->wl.org_kde_kwin_blur);
}
} else {
org_kde_kwin_blur_manager_unset(_glfw.wl.org_kde_kwin_blur_manager, window->wl.surface);
if (window->wl.org_kde_kwin_blur) { org_kde_kwin_blur_release(window->wl.org_kde_kwin_blur); window->wl.org_kde_kwin_blur = NULL; }
}
}
}
int
_glfwWaylandIntegerWindowScale(_GLFWwindow *window) {
int ans = (window->wl.integer_scale.preferred) ? window->wl.integer_scale.preferred : window->wl.integer_scale.deduced;
if (ans < 1) ans = 1;
return ans;
}
double
_glfwWaylandWindowScale(_GLFWwindow *window) {
double ans = _glfwWaylandIntegerWindowScale(window);
if (window->wl.fractional_scale) ans = window->wl.fractional_scale / 120.;
return ans;
}
static void
wait_for_swap_to_commit(_GLFWwindow *window) {
window->wl.waiting_for_swap_to_commit = true;
debug("Waiting for swap to commit Wayland surface for window: %llu\n", window->id);
}
static void
resizeFramebuffer(_GLFWwindow* window) {
GLFWwindow *ctx = glfwGetCurrentContext();
const bool ctx_changed = ctx != (GLFWwindow*)window;
if (ctx_changed) glfwMakeContextCurrent((GLFWwindow*)window);
double scale = _glfwWaylandWindowScale(window);
int scaled_width = (int)round(window->wl.width * scale);
int scaled_height = (int)round(window->wl.height * scale);
debug("Resizing framebuffer of window: %llu to: %dx%d window size: %dx%d at scale: %.3f\n",
window->id, scaled_width, scaled_height, window->wl.width, window->wl.height, scale);
wl_egl_window_resize(window->wl.native, scaled_width, scaled_height, 0, 0);
update_regions(window);
wait_for_swap_to_commit(window);
if (ctx_changed) glfwMakeContextCurrent(ctx);
_glfwInputFramebufferSize(window, scaled_width, scaled_height);
}
void
_glfwWaylandAfterBufferSwap(_GLFWwindow* window) {
if (window->wl.temp_buffer_used_during_window_creation) {
wl_buffer_destroy(window->wl.temp_buffer_used_during_window_creation);
window->wl.temp_buffer_used_during_window_creation = NULL;
}
if (window->wl.waiting_for_swap_to_commit) {
debug("Window %llu swapped committing surface\n", window->id);
window->wl.waiting_for_swap_to_commit = false;
// this is not really needed, since I think eglSwapBuffers() calls wl_surface_commit()
// but lets be safe. See https://gitlab.freedesktop.org/mesa/mesa/-/blob/main/src/egl/drivers/dri2/platform_wayland.c#L1510
commit_window_surface(window);
}
}
static const char*
clipboard_mime(void) {
static char buf[128] = {0};
if (buf[0] == 0) {
snprintf(buf, sizeof(buf), "application/glfw+clipboard-%d", getpid());
}
return buf;
}
static void
apply_scale_changes(_GLFWwindow *window, bool resize_framebuffer, bool update_csd) {
double scale = _glfwWaylandWindowScale(window);
if (resize_framebuffer) resizeFramebuffer(window);
_glfwInputWindowContentScale(window, (float)scale, (float)scale);
if (update_csd) csd_set_visible(window, true); // resize the csd iff the window currently has CSD
int buffer_scale = window->wl.fractional_scale ? 1 : (int)scale;
wl_surface_set_buffer_scale(window->wl.surface, buffer_scale);
}
static bool
dispatchChangesAfterConfigure(_GLFWwindow *window, int32_t width, int32_t height) {
bool size_changed = width != window->wl.width || height != window->wl.height;
bool scale_changed = checkScaleChange(window);
if (size_changed) {
_glfwInputWindowSize(window, width, height);
window->wl.width = width; window->wl.height = height;
resizeFramebuffer(window);
}
if (scale_changed) {
debug("Scale changed to %.3f in dispatchChangesAfterConfigure for window: %llu\n", _glfwWaylandWindowScale(window), window->id);
apply_scale_changes(window, !size_changed, false);
}
_glfwInputWindowDamage(window);
return size_changed || scale_changed;
}
static void
inform_compositor_of_window_geometry(_GLFWwindow *window, const char *event) {
#define geometry window->wl.decorations.geometry
debug("Setting window %llu \"visible area\" geometry in %s event: x=%d y=%d %dx%d viewport: %dx%d\n",
window->id, event, geometry.x, geometry.y, geometry.width, geometry.height, window->wl.width, window->wl.height);
xdg_surface_set_window_geometry(window->wl.xdg.surface, geometry.x, geometry.y, geometry.width, geometry.height);
if (window->wl.wp_viewport) wp_viewport_set_destination(window->wl.wp_viewport, window->wl.width, window->wl.height);
#undef geometry
}
static void
xdgDecorationHandleConfigure(void* data,
struct zxdg_toplevel_decoration_v1* decoration UNUSED,
uint32_t mode)
{
_GLFWwindow* window = data;
window->wl.pending.decoration_mode = mode;
window->wl.pending_state |= PENDING_STATE_DECORATION;
debug("XDG decoration configure event received for window %llu: has_server_side_decorations: %d\n", window->id, (mode == ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE));
}
static const struct zxdg_toplevel_decoration_v1_listener xdgDecorationListener = {
xdgDecorationHandleConfigure,
};
static void surfaceHandleEnter(void *data,
struct wl_surface *surface UNUSED,
struct wl_output *output)
{
_GLFWwindow* window = data;
_GLFWmonitor* monitor = wl_output_get_user_data(output);
if (window->wl.monitorsCount + 1 > window->wl.monitorsSize)
{
++window->wl.monitorsSize;
window->wl.monitors =
realloc(window->wl.monitors,
window->wl.monitorsSize * sizeof(_GLFWmonitor*));
}
window->wl.monitors[window->wl.monitorsCount++] = monitor;
if (checkScaleChange(window)) {
debug("Scale changed to %.3f for window %llu in surfaceHandleEnter\n", _glfwWaylandWindowScale(window), window->id);
apply_scale_changes(window, true, true);
}
}
static void surfaceHandleLeave(void *data,
struct wl_surface *surface UNUSED,
struct wl_output *output)
{
_GLFWwindow* window = data;
_GLFWmonitor* monitor = wl_output_get_user_data(output);
bool found;
int i;
for (i = 0, found = false; i < window->wl.monitorsCount - 1; ++i)
{
if (monitor == window->wl.monitors[i])
found = true;
if (found)
window->wl.monitors[i] = window->wl.monitors[i + 1];
}
window->wl.monitors[--window->wl.monitorsCount] = NULL;
if (checkScaleChange(window)) {
debug("Scale changed to %.3f for window %llu in surfaceHandleLeave\n", _glfwWaylandWindowScale(window), window->id);
apply_scale_changes(window, true, true);
}
}
#ifdef WL_SURFACE_PREFERRED_BUFFER_SCALE_SINCE_VERSION
static void
surface_preferred_buffer_scale(void *data, struct wl_surface *surface UNUSED, int32_t scale) {
_GLFWwindow* window = data;
window->wl.once.preferred_scale_received = true;
if ((int)window->wl.integer_scale.preferred == scale && window->wl.window_fully_created) return;
debug("Preferred integer buffer scale changed to: %d for window %llu\n", scale, window->id);
window->wl.integer_scale.preferred = scale;
window->wl.window_fully_created = true;
if (!window->wl.fractional_scale) apply_scale_changes(window, true, true);
}
static void
surface_preferred_buffer_transform(void *data, struct wl_surface *surface, uint32_t transform) {
(void)data; (void)surface; (void)transform;
}
#endif
static const struct wl_surface_listener surfaceListener = {
.enter = surfaceHandleEnter,
.leave = surfaceHandleLeave,
#ifdef WL_SURFACE_PREFERRED_BUFFER_SCALE_SINCE_VERSION
.preferred_buffer_scale = &surface_preferred_buffer_scale,
.preferred_buffer_transform = &surface_preferred_buffer_transform,
#endif
};
static void
fractional_scale_preferred_scale(void *data, struct wp_fractional_scale_v1 *wp_fractional_scale_v1 UNUSED, uint32_t scale) {
_GLFWwindow *window = data;
window->wl.once.fractional_scale_received = true;
if (scale == window->wl.fractional_scale && window->wl.window_fully_created) return;
debug("Fractional scale requested: %u/120 = %.2f for window %llu\n", scale, scale / 120., window->id);
window->wl.fractional_scale = scale;
// Hyprland sends a fraction scale = 1 event before configuring the xdg surface and then another after with the correct scale
// labwc doesnt support preferred buffer scale, so we assume it's done fucking around with scales even if the scale is 120
// As far as I can tell from googling labwc has no way to specify scales other
// than 1 anyway, so no way to test what it will do in such cases. Sigh, more half baked Wayland shit.
window->wl.window_fully_created = window->wl.once.surface_configured || scale != 120 || !_glfw.wl.has_preferred_buffer_scale;
apply_scale_changes(window, true, true);
}
static const struct wp_fractional_scale_v1_listener fractional_scale_listener = {
.preferred_scale = &fractional_scale_preferred_scale,
};
static bool createSurface(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig)
{
window->wl.surface = wl_compositor_create_surface(_glfw.wl.compositor);
if (!window->wl.surface)
return false;
wl_surface_add_listener(window->wl.surface,
&surfaceListener,
window);
wl_surface_set_user_data(window->wl.surface, window);
// If we already have been notified of the primary monitor scale, assume
// the window will be created on it and so avoid a rescale roundtrip in the common
// case of the window being shown on the primary monitor or all monitors having the same scale.
// If you change this also change get_window_content_scale() in the kitty code.
GLFWmonitor* monitor = glfwGetPrimaryMonitor();
float xscale = 1.0, yscale = 1.0;
int scale = 1;
if (monitor) {
glfwGetMonitorContentScale(monitor, &xscale, &yscale);
// see wl_monitor.c xscale is always == yscale
if (xscale <= 0.0001 || xscale != xscale || xscale >= 24) xscale = 1.0;
if (xscale > 1) scale = (int)xscale;
}
window->wl.expect_scale_from_compositor = _glfw.wl.has_preferred_buffer_scale;
if (_glfw.wl.wp_fractional_scale_manager_v1 && _glfw.wl.wp_viewporter) {
window->wl.wp_fractional_scale_v1 = wp_fractional_scale_manager_v1_get_fractional_scale(_glfw.wl.wp_fractional_scale_manager_v1, window->wl.surface);
if (window->wl.wp_fractional_scale_v1) {
window->wl.wp_viewport = wp_viewporter_get_viewport(_glfw.wl.wp_viewporter, window->wl.surface);
if (window->wl.wp_viewport) {
wp_fractional_scale_v1_add_listener(window->wl.wp_fractional_scale_v1, &fractional_scale_listener, window);
window->wl.expect_scale_from_compositor = true;
}
}
}
window->wl.window_fully_created = !window->wl.expect_scale_from_compositor;
if (_glfw.wl.org_kde_kwin_blur_manager && wndconfig->blur_radius > 0) _glfwPlatformSetWindowBlur(window, wndconfig->blur_radius);
window->wl.integer_scale.deduced = scale;
if (_glfw.wl.has_preferred_buffer_scale) { scale = 1; window->wl.integer_scale.preferred = 1; }
debug("Creating window %llu at size: %dx%d and scale %d\n", window->id, wndconfig->width, wndconfig->height, scale);
window->wl.native = wl_egl_window_create(window->wl.surface, wndconfig->width * scale, wndconfig->height * scale);
if (!window->wl.native)
return false;
window->wl.width = wndconfig->width;
window->wl.height = wndconfig->height;
window->wl.user_requested_content_size.width = wndconfig->width;
window->wl.user_requested_content_size.height = wndconfig->height;
update_regions(window);
wl_surface_set_buffer_scale(window->wl.surface, scale);
return true;
}
static void
setFullscreen(_GLFWwindow* window, _GLFWmonitor* monitor, bool on) {
if (!window->wl.xdg.toplevel) return;
if (!window->wl.wm_capabilities.fullscreen) {
_glfwInputError(GLFW_PLATFORM_ERROR, "Wayland compositor does not support fullscreen");
return;
}
if (on) xdg_toplevel_set_fullscreen(window->wl.xdg.toplevel, monitor ? monitor->wl.output : NULL);
else xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel);
}
bool
_glfwPlatformIsFullscreen(_GLFWwindow *window, unsigned int flags UNUSED) {
return window->wl.current.toplevel_states & TOPLEVEL_STATE_FULLSCREEN;
}
bool
_glfwPlatformToggleFullscreen(_GLFWwindow *window, unsigned int flags UNUSED) {
bool already_fullscreen = _glfwPlatformIsFullscreen(window, flags);
setFullscreen(window, NULL, !already_fullscreen);
return !already_fullscreen;
}
static void
report_live_resize(_GLFWwindow *w, bool started) {
// disabled as mutter, for instance, does not send a configure event when the user stops resizing (aka releases the mouse button)
if (false) _glfwInputLiveResize(w, started);
}
static void
xdgToplevelHandleConfigure(void* data,
struct xdg_toplevel* toplevel UNUSED,
int32_t width,
int32_t height,
struct wl_array* states)
{
_GLFWwindow* window = data;
float aspectRatio;
float targetRatio;
enum xdg_toplevel_state* state;
uint32_t new_states = 0;
debug("XDG top-level configure event for window %llu: size: %dx%d states: ", window->id, width, height);
wl_array_for_each(state, states) {
switch (*state) {
#define C(x) case XDG_##x: new_states |= x; debug("%s ", #x); break
C(TOPLEVEL_STATE_RESIZING);
C(TOPLEVEL_STATE_MAXIMIZED);
C(TOPLEVEL_STATE_FULLSCREEN);
C(TOPLEVEL_STATE_ACTIVATED);
C(TOPLEVEL_STATE_TILED_LEFT);
C(TOPLEVEL_STATE_TILED_RIGHT);
C(TOPLEVEL_STATE_TILED_TOP);
C(TOPLEVEL_STATE_TILED_BOTTOM);
#ifdef XDG_TOPLEVEL_STATE_SUSPENDED_SINCE_VERSION
C(TOPLEVEL_STATE_SUSPENDED);
#endif
#undef C
}
}
debug("\n");
if (new_states & TOPLEVEL_STATE_RESIZING) {
if (width) window->wl.user_requested_content_size.width = width;
if (height) window->wl.user_requested_content_size.height = height;
if (!(window->wl.current.toplevel_states & TOPLEVEL_STATE_RESIZING)) report_live_resize(window, true);
}
if (width != 0 && height != 0)
{
if (!(new_states & TOPLEVEL_STATE_DOCKED))
{
if (window->numer != GLFW_DONT_CARE && window->denom != GLFW_DONT_CARE)
{
aspectRatio = (float)width / (float)height;
targetRatio = (float)window->numer / (float)window->denom;
if (aspectRatio < targetRatio)
height = (int32_t)((float)width / targetRatio);
else if (aspectRatio > targetRatio)
width = (int32_t)((float)height * targetRatio);
}
}
}
window->wl.pending.toplevel_states = new_states;
window->wl.pending.width = width;
window->wl.pending.height = height;
window->wl.pending_state |= PENDING_STATE_TOPLEVEL;
}
static void xdgToplevelHandleClose(void* data,
struct xdg_toplevel* toplevel UNUSED)
{
_GLFWwindow* window = data;
window->wl.window_fully_created = true;
_glfwInputWindowCloseRequest(window);
}
#if defined(XDG_TOPLEVEL_WM_CAPABILITIES_SINCE_VERSION)
static void
xdg_toplevel_wm_capabilities(void *data, struct xdg_toplevel *xdg_toplevel UNUSED, struct wl_array *caps) {
_GLFWwindow *window = data;
#define c (window->wl.wm_capabilities)
memset(&c, 0, sizeof(c));
enum xdg_toplevel_wm_capabilities *cap;
wl_array_for_each(cap, caps) {
switch (*cap) {
case XDG_TOPLEVEL_WM_CAPABILITIES_MAXIMIZE: c.maximize = true; break;
case XDG_TOPLEVEL_WM_CAPABILITIES_MINIMIZE: c.minimize = true; break;
case XDG_TOPLEVEL_WM_CAPABILITIES_WINDOW_MENU: c.window_menu = true; break;
case XDG_TOPLEVEL_WM_CAPABILITIES_FULLSCREEN: c.fullscreen = true; break;
}
}
debug("Compositor top-level capabilities: maximize=%d minimize=%d window_menu=%d fullscreen=%d\n",
c.maximize, c.minimize, c.window_menu, c.fullscreen);
#undef c
}
#endif
static void
xdg_toplevel_configure_bounds(void *data, struct xdg_toplevel *xdg_toplevel UNUSED, int32_t width, int32_t height) {
_GLFWwindow *window = data;
window->wl.xdg.top_level_bounds.width = width;
window->wl.xdg.top_level_bounds.height = height;
debug("Compositor set top-level bounds of: %dx%d for window %llu\n", width, height, window->id);
}
static const struct xdg_toplevel_listener xdgToplevelListener = {
.configure = xdgToplevelHandleConfigure,
.close = xdgToplevelHandleClose,
#ifdef XDG_TOPLEVEL_WM_CAPABILITIES_SINCE_VERSION
.configure_bounds = xdg_toplevel_configure_bounds,
.wm_capabilities = xdg_toplevel_wm_capabilities,
#endif
};
static void
apply_xdg_configure_changes(_GLFWwindow *window) {
bool suspended_changed = false;
if (window->wl.pending_state & PENDING_STATE_TOPLEVEL) {
uint32_t new_states = window->wl.pending.toplevel_states;
int width = window->wl.pending.width;
int height = window->wl.pending.height;
if (!window->wl.once.surface_configured) {
window->swaps_disallowed = false;
wait_for_swap_to_commit(window);
window->wl.once.surface_configured = true;
}
#ifdef XDG_TOPLEVEL_STATE_SUSPENDED_SINCE_VERSION
suspended_changed = ((new_states & TOPLEVEL_STATE_SUSPENDED) != (window->wl.current.toplevel_states & TOPLEVEL_STATE_SUSPENDED));
#endif
if (new_states != window->wl.current.toplevel_states ||
width != window->wl.current.width ||
height != window->wl.current.height) {
bool live_resize_done = !(new_states & TOPLEVEL_STATE_RESIZING) && (window->wl.current.toplevel_states & TOPLEVEL_STATE_RESIZING);
window->wl.current.toplevel_states = new_states;
window->wl.current.width = width;
window->wl.current.height = height;
_glfwInputWindowFocus(window, window->wl.current.toplevel_states & TOPLEVEL_STATE_ACTIVATED);
if (live_resize_done) report_live_resize(window, false);
}
}
if (window->wl.pending_state & PENDING_STATE_DECORATION) {
uint32_t mode = window->wl.pending.decoration_mode;
bool has_server_side_decorations = (mode == ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
window->wl.decorations.serverSide = has_server_side_decorations;
window->wl.current.decoration_mode = mode;
}
if (window->wl.pending_state) {
int width = window->wl.pending.width, height = window->wl.pending.height;
csd_set_window_geometry(window, &width, &height);
bool resized = dispatchChangesAfterConfigure(window, width, height);
csd_set_visible(window, !(window->wl.decorations.serverSide || window->monitor || window->wl.current.toplevel_states & TOPLEVEL_STATE_FULLSCREEN));
debug("Final window %llu content size: %dx%d resized: %d\n", window->id, width, height, resized);
}
inform_compositor_of_window_geometry(window, "configure");
commit_window_surface_if_safe(window);
window->wl.pending_state = 0;
#ifdef XDG_TOPLEVEL_STATE_SUSPENDED_SINCE_VERSION
if (suspended_changed) {
_glfwInputWindowOcclusion(window, window->wl.current.toplevel_states & TOPLEVEL_STATE_SUSPENDED);
}
#endif
}
typedef union pixel {
struct {
uint8_t blue, green, red, alpha;
};
uint32_t value;
} pixel;
static struct wl_buffer*
create_single_color_buffer(int width, int height, pixel color) {
// convert to pre-multiplied alpha as that's what wayland wants
if (width == 1 && height == 1 && _glfw.wl.wp_single_pixel_buffer_manager_v1) {
#define C(x) (uint32_t)(((double)((uint64_t)color.alpha * color.x * UINT32_MAX)) / (255 * 255))
struct wl_buffer *ans = wp_single_pixel_buffer_manager_v1_create_u32_rgba_buffer(
_glfw.wl.wp_single_pixel_buffer_manager_v1, C(red), C(green), C(blue), color.alpha * UINT32_MAX);
#undef C
if (!ans) _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: failed to create single pixel buffer");
return ans;
}
float alpha = color.alpha / 255.f;
color.red = (uint8_t)(alpha * color.red); color.green = (uint8_t)(alpha * color.green); color.blue = (uint8_t)(alpha * color.blue);
int shm_format = color.alpha == 0xff ? WL_SHM_FORMAT_XRGB8888 : WL_SHM_FORMAT_ARGB8888;
const size_t size = 4 * width * height;
int fd = createAnonymousFile(size);
if (fd < 0) {
_glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: failed to create anonymous file");
return NULL;
}
uint32_t *shm_data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (color.value) for (size_t i = 0; i < size/4; i++) shm_data[i] = color.value;
else memset(shm_data, 0, size);
if (!shm_data) {
close(fd);
_glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: failed to mmap anonymous file");
return NULL;
}
struct wl_shm_pool *pool = wl_shm_create_pool(_glfw.wl.shm, fd, size);
if (!pool) {
close(fd); munmap(shm_data, size);
_glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: failed to create wl_shm_pool of size: %zu", size);
return NULL;
}
struct wl_buffer *buffer = wl_shm_pool_create_buffer(pool, 0, width, height, width * 4, shm_format);
wl_shm_pool_destroy(pool); munmap(shm_data, size); close(fd);
if (!buffer) {
_glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: failed to create wl_buffer of size: %zu", size);
return NULL;
}
return buffer;
}
static bool
attach_temp_buffer_during_window_creation(_GLFWwindow *window) {
pixel color;
color.value = _glfw.hints.window.wl.bgcolor;
if (!window->wl.transparent) color.alpha = 0xff;
else if (color.alpha == 0) color.value = 0; // fully transparent blends best with black and we can use memset
if (window->wl.temp_buffer_used_during_window_creation) {
wl_buffer_destroy(window->wl.temp_buffer_used_during_window_creation);
window->wl.temp_buffer_used_during_window_creation = NULL;
}
int width, height;
_glfwPlatformGetFramebufferSize(window, &width, &height);
if (window->wl.wp_viewport) {
window->wl.temp_buffer_used_during_window_creation = create_single_color_buffer(1, 1, color);
wl_surface_set_buffer_scale(window->wl.surface, 1);
wp_viewport_set_destination(window->wl.wp_viewport, window->wl.width, window->wl.height);
} else {
window->wl.temp_buffer_used_during_window_creation = create_single_color_buffer(width, height, color);
wl_surface_set_buffer_scale(window->wl.surface, window->wl.fractional_scale ? 1: _glfwWaylandIntegerWindowScale(window));
}
if (!window->wl.temp_buffer_used_during_window_creation) return false;
wl_surface_attach(window->wl.surface, window->wl.temp_buffer_used_during_window_creation, 0, 0);
debug("Attached temp buffer during window %llu creation of size: %dx%d and rgba(%u, %u, %u, %u)\n", window->id, width, height, color.red, color.green, color.blue, color.alpha);
commit_window_surface(window);
return true;
}
static void
loop_till_window_fully_created(_GLFWwindow *window) {
if (!window->wl.window_fully_created) {
GLFWwindow *ctx = glfwGetCurrentContext();
debug("Waiting for compositor to send fractional scale for window %llu\n", window->id);
monotonic_t start = monotonic();
while (!window->wl.window_fully_created && monotonic() - start < ms_to_monotonic_t(300)) {
if (wl_display_roundtrip(_glfw.wl.display) == -1) {
window->wl.window_fully_created = true;
}
}
window->wl.window_fully_created = true;
// If other OS windows were resized when this window is shown, the ctx might have been changed by
// user code, restore it to whatever it was at the start.
if (glfwGetCurrentContext() != ctx) glfwMakeContextCurrent(ctx);
}
}
static void
xdgSurfaceHandleConfigure(void* data, struct xdg_surface* surface, uint32_t serial) {
// The poorly documented pattern Wayland requires is:
// 1) ack the configure,
// 2) set the window geometry
// 3) attach a new buffer of the correct size to the surface
// 4) only then commit the surface.
// buffer is attached only by eglSwapBuffers,
// so we set a flag to not commit the surface till the next swapbuffers. Note that
// wl_egl_window_resize() does not actually resize the buffer until the next draw call
// or buffer state query.
_GLFWwindow* window = data;
xdg_surface_ack_configure(surface, serial);
debug("XDG surface configure event received and acknowledged for window %llu\n", window->id);
apply_xdg_configure_changes(window);
if (!window->wl.window_fully_created) {
if (!attach_temp_buffer_during_window_creation(window)) window->wl.window_fully_created = true;
}
}
static const struct xdg_surface_listener xdgSurfaceListener = {
xdgSurfaceHandleConfigure
};
static void
setXdgDecorations(_GLFWwindow* window)
{
if (window->wl.xdg.decoration) {
window->wl.decorations.serverSide = true;
zxdg_toplevel_decoration_v1_set_mode(window->wl.xdg.decoration, window->decorated ? ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE: ZXDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE);
} else {
window->wl.decorations.serverSide = false;
csd_set_visible(window, window->decorated);
}
}
void _glfwPlatformSetWindowDecorated(_GLFWwindow* window, bool enabled UNUSED) {
setXdgDecorations(window);
inform_compositor_of_window_geometry(window, "SetWindowDecorated");
commit_window_surface_if_safe(window);
}
static struct wl_output*
find_output_by_name(const char* name) {
if (!name || !name[0]) return NULL;
for (int i = 0; i < _glfw.monitorCount; i++) {
_GLFWmonitor *m = _glfw.monitors[i];
if (strcmp(m->wl.friendly_name, name) == 0) return m->wl.output;
}
return NULL;
}
static void
layer_set_properties(_GLFWwindow *window) {
enum zwlr_layer_surface_v1_anchor which_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
int exclusive_zone = -1;
enum zwlr_layer_surface_v1_keyboard_interactivity focus_policy = ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_NONE;
switch(window->wl.layer_shell.config.focus_policy) {
case GLFW_FOCUS_NOT_ALLOWED: focus_policy = ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_NONE; break;
case GLFW_FOCUS_EXCLUSIVE: focus_policy = ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_EXCLUSIVE; break;
case GLFW_FOCUS_ON_DEMAND: focus_policy = ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_ON_DEMAND; break;
}
int panel_width = 0, panel_height = 0;
switch (window->wl.layer_shell.config.type) {
case GLFW_LAYER_SHELL_BACKGROUND: break; case GLFW_LAYER_SHELL_NONE: break;
case GLFW_LAYER_SHELL_PANEL:
switch (window->wl.layer_shell.config.edge) {
case GLFW_EDGE_TOP:
which_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
panel_height = window->wl.height;
exclusive_zone = window->wl.height;
break;
case GLFW_EDGE_BOTTOM:
which_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
panel_height = window->wl.height;
exclusive_zone = window->wl.height;
break;
case GLFW_EDGE_LEFT:
which_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
panel_width = window->wl.width;
exclusive_zone = window->wl.width;
break;
case GLFW_EDGE_RIGHT:
which_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT | ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
panel_width = window->wl.width;
exclusive_zone = window->wl.width;
break;
}
}
#define surface window->wl.layer_shell.zwlr_layer_surface_v1
zwlr_layer_surface_v1_set_size(surface, panel_width, panel_height);
if (window->wl.wp_viewport) wp_viewport_set_destination(window->wl.wp_viewport, window->wl.width, window->wl.height);
debug("Compositor will be informed that layer size: %dx%d viewport: %dx%d at next surface commit\n", panel_width, panel_height, window->wl.width, window->wl.height);
zwlr_layer_surface_v1_set_anchor(surface, which_anchor);
zwlr_layer_surface_v1_set_exclusive_zone(surface, exclusive_zone);
zwlr_layer_surface_v1_set_margin(surface, 0, 0, 0, 0);
zwlr_layer_surface_v1_set_keyboard_interactivity(surface, focus_policy);
#undef surface
}
static void
layer_surface_handle_configure(void* data, struct zwlr_layer_surface_v1* surface, uint32_t serial, uint32_t width, uint32_t height) {
debug("Layer shell configure event: width: %u height: %u\n", width, height);
_GLFWwindow* window = data;
if (!window->wl.once.surface_configured) {
window->swaps_disallowed = false;
wait_for_swap_to_commit(window);
window->wl.once.surface_configured = true;
}
GLFWvidmode m = {0};
if (window->wl.monitorsCount) _glfwPlatformGetVideoMode(window->wl.monitors[0], &m);
window->wl.layer_shell.config.size_callback(
(GLFWwindow*)window, &window->wl.layer_shell.config, m.width, m.height, &width, &height);
zwlr_layer_surface_v1_ack_configure(surface, serial);
if ((int)width != window->wl.width || (int)height != window->wl.height) {
debug("Layer shell size changed to %ux%u in layer_surface_handle_configure\n", width, height);
_glfwInputWindowSize(window, width, height);
window->wl.width = width; window->wl.height = height;
resizeFramebuffer(window);
_glfwInputWindowDamage(window);
layer_set_properties(window);
}
commit_window_surface_if_safe(window);
if (!window->wl.window_fully_created) {
if (!attach_temp_buffer_during_window_creation(window)) window->wl.window_fully_created = true;
}
}
static void
layer_surface_handle_close_requested(void* data, struct zwlr_layer_surface_v1* surface UNUSED) {
_GLFWwindow* window = data;
window->wl.window_fully_created = true;
_glfwInputWindowCloseRequest(window);
}
static const struct zwlr_layer_surface_v1_listener zwlr_layer_surface_v1_listener = {
.configure=layer_surface_handle_configure,
.closed=layer_surface_handle_close_requested,
};
static bool
create_layer_shell_surface(_GLFWwindow *window) {
if (!_glfw.wl.zwlr_layer_shell_v1) {
_glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: wlr-layer-shell protocol unsupported by compositor");
return false;
}
window->decorated = false; // shell windows must not have decorations
struct wl_output *wl_output = find_output_by_name(window->wl.layer_shell.config.output_name);
enum zwlr_layer_shell_v1_layer which_layer = ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND;
if (window->wl.layer_shell.config.type == GLFW_LAYER_SHELL_PANEL) which_layer = ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;
#define ls window->wl.layer_shell.zwlr_layer_surface_v1
ls = zwlr_layer_shell_v1_get_layer_surface(
_glfw.wl.zwlr_layer_shell_v1, window->wl.surface, wl_output, which_layer, "kitty");
if (!ls) {
_glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: layer-surface creation failed");
return false;
}
zwlr_layer_surface_v1_add_listener(ls, &zwlr_layer_surface_v1_listener, window);
layer_set_properties(window);
commit_window_surface(window);
wl_display_roundtrip(_glfw.wl.display);
#undef ls
return true;
}
static bool
create_window_desktop_surface(_GLFWwindow* window)
{
if (is_layer_shell(window)) return create_layer_shell_surface(window);
window->wl.xdg.surface = xdg_wm_base_get_xdg_surface(_glfw.wl.wmBase,
window->wl.surface);
if (!window->wl.xdg.surface)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: xdg-surface creation failed");
return false;
}
xdg_surface_add_listener(window->wl.xdg.surface,
&xdgSurfaceListener,
window);
window->wl.xdg.toplevel = xdg_surface_get_toplevel(window->wl.xdg.surface);
if (!window->wl.xdg.toplevel)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: xdg-toplevel creation failed");
return false;
}
#ifdef XDG_TOPLEVEL_WM_CAPABILITIES_SINCE_VERSION
if (_glfw.wl.xdg_wm_base_version < XDG_TOPLEVEL_WM_CAPABILITIES_SINCE_VERSION) {
window->wl.wm_capabilities.maximize = true; window->wl.wm_capabilities.minimize = true; window->wl.wm_capabilities.fullscreen = true;
window->wl.wm_capabilities.window_menu = true;
}
#endif
xdg_toplevel_add_listener(window->wl.xdg.toplevel, &xdgToplevelListener, window);
if (_glfw.wl.decorationManager) {
window->wl.xdg.decoration = zxdg_decoration_manager_v1_get_toplevel_decoration(
_glfw.wl.decorationManager, window->wl.xdg.toplevel);
zxdg_toplevel_decoration_v1_add_listener(window->wl.xdg.decoration, &xdgDecorationListener, window);
}
if (strlen(window->wl.appId))
xdg_toplevel_set_app_id(window->wl.xdg.toplevel, window->wl.appId);
if (window->wl.title)
xdg_toplevel_set_title(window->wl.xdg.toplevel, window->wl.title);
if (window->minwidth != GLFW_DONT_CARE && window->minheight != GLFW_DONT_CARE)
xdg_toplevel_set_min_size(window->wl.xdg.toplevel,
window->minwidth, window->minheight);
if (window->maxwidth != GLFW_DONT_CARE && window->maxheight != GLFW_DONT_CARE)
xdg_toplevel_set_max_size(window->wl.xdg.toplevel,
window->maxwidth, window->maxheight);
if (window->monitor) {
if (window->wl.wm_capabilities.fullscreen)
xdg_toplevel_set_fullscreen(window->wl.xdg.toplevel, window->monitor->wl.output);
else
_glfwInputError(GLFW_PLATFORM_ERROR, "Wayland compositor does not support fullscreen");
} else {
if (window->wl.maximize_on_first_show) {
window->wl.maximize_on_first_show = false;
xdg_toplevel_set_maximized(window->wl.xdg.toplevel);
}
setXdgDecorations(window);
}
commit_window_surface(window);
wl_display_roundtrip(_glfw.wl.display);
return true;
}
static void incrementCursorImage(_GLFWwindow* window)
{
if (window && window->wl.decorations.focus == CENTRAL_WINDOW && window->cursorMode != GLFW_CURSOR_HIDDEN) {
_GLFWcursor* cursor = window->wl.currentCursor;
if (cursor && cursor->wl.cursor && cursor->wl.cursor->image_count)
{
cursor->wl.currentImage += 1;
cursor->wl.currentImage %= cursor->wl.cursor->image_count;
setCursorImage(window, false);
toggleTimer(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, cursor->wl.cursor->image_count > 1);
return;
}
}
toggleTimer(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, 1);
}
void
animateCursorImage(id_type timer_id UNUSED, void *data UNUSED) {
incrementCursorImage(_glfw.wl.pointerFocus);
}
static void
abortOnFatalError(int last_error) {
static bool abort_called = false;
if (!abort_called) {
abort_called = true;
_glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: fatal display error: %s", strerror(last_error));
if (_glfw.callbacks.application_close) _glfw.callbacks.application_close(1);
else {
_GLFWwindow* window = _glfw.windowListHead;
while (window)
{
_glfwInputWindowCloseRequest(window);
window = window->next;
}
}
}
// ensure the tick callback is called
_glfw.wl.eventLoopData.wakeup_data_read = true;
}
static void
wayland_read_events(int poll_result, int events, void *data UNUSED) {
EVDBG("wayland_read_events poll_result: %d events: %d", poll_result, events);
if (poll_result > 0 && events) wl_display_read_events(_glfw.wl.display);
else wl_display_cancel_read(_glfw.wl.display);
}
static void handleEvents(monotonic_t timeout)
{
struct wl_display* display = _glfw.wl.display;
errno = 0;
EVDBG("starting handleEvents(%.2f)", monotonic_t_to_s_double(timeout));
while (wl_display_prepare_read(display) != 0) {
if (wl_display_dispatch_pending(display) == -1) {
abortOnFatalError(errno);
return;
}
}
// If an error different from EAGAIN happens, we have likely been
// disconnected from the Wayland session, try to handle that the best we
// can.
errno = 0;
if (wl_display_flush(display) < 0 && errno != EAGAIN)
{
wl_display_cancel_read(display);
abortOnFatalError(errno);
return;
}
// we pass in wayland_read_events to ensure that the above wl_display_prepare_read call
// is followed by either wl_display_cancel_read or wl_display_read_events
// before any events/timers are dispatched. This allows other wayland functions
// to be called in the event/timer handlers without causing a deadlock
bool display_read_ok = pollForEvents(&_glfw.wl.eventLoopData, timeout, wayland_read_events);
EVDBG("display_read_ok: %d", display_read_ok);
if (display_read_ok) {
int num = wl_display_dispatch_pending(display);
(void)num;
EVDBG("dispatched %d Wayland events", num);
}
glfw_ibus_dispatch(&_glfw.wl.xkb.ibus);
glfw_dbus_session_bus_dispatch();
EVDBG("other dispatch done");
if (_glfw.wl.eventLoopData.wakeup_fd_ready) check_for_wakeup_events(&_glfw.wl.eventLoopData);
}
static struct wl_cursor*
try_cursor_names(struct wl_cursor_theme* theme, int arg_count, ...) {
struct wl_cursor* ans = NULL;
va_list ap;
va_start(ap, arg_count);
for (int i = 0; i < arg_count && !ans; i++) {
const char *name = va_arg(ap, const char *);
ans = wl_cursor_theme_get_cursor(theme, name);
}
va_end(ap);
return ans;
}
struct wl_cursor* _glfwLoadCursor(GLFWCursorShape shape, struct wl_cursor_theme* theme)
{
static bool warnings[GLFW_INVALID_CURSOR] = {0};
if (!theme) return NULL;
#define NUMARGS(...) (sizeof((const char*[]){__VA_ARGS__})/sizeof(const char*))
#define C(name, ...) case name: { \
ans = try_cursor_names(theme, NUMARGS(__VA_ARGS__), __VA_ARGS__); \
if (!ans && !warnings[name]) {\
_glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Could not find standard cursor: %s", #name); \
warnings[name] = true; \
} \
break; }
struct wl_cursor* ans = NULL;
switch (shape)
{
/* start glfw to xc mapping (auto generated by gen-key-constants.py do not edit) */
C(GLFW_DEFAULT_CURSOR, "default", "left_ptr");
C(GLFW_TEXT_CURSOR, "text", "xterm", "ibeam");
C(GLFW_POINTER_CURSOR, "pointing_hand", "pointer", "hand2", "hand");
C(GLFW_HELP_CURSOR, "help", "question_arrow", "whats_this");
C(GLFW_WAIT_CURSOR, "wait", "clock", "watch");
C(GLFW_PROGRESS_CURSOR, "progress", "half-busy", "left_ptr_watch");
C(GLFW_CROSSHAIR_CURSOR, "crosshair", "tcross");
C(GLFW_CELL_CURSOR, "cell", "plus", "cross");
C(GLFW_VERTICAL_TEXT_CURSOR, "vertical-text");
C(GLFW_MOVE_CURSOR, "move", "fleur", "pointer-move");
C(GLFW_E_RESIZE_CURSOR, "e-resize", "right_side");
C(GLFW_NE_RESIZE_CURSOR, "ne-resize", "top_right_corner");
C(GLFW_NW_RESIZE_CURSOR, "nw-resize", "top_left_corner");
C(GLFW_N_RESIZE_CURSOR, "n-resize", "top_side");
C(GLFW_SE_RESIZE_CURSOR, "se-resize", "bottom_right_corner");
C(GLFW_SW_RESIZE_CURSOR, "sw-resize", "bottom_left_corner");
C(GLFW_S_RESIZE_CURSOR, "s-resize", "bottom_side");
C(GLFW_W_RESIZE_CURSOR, "w-resize", "left_side");
C(GLFW_EW_RESIZE_CURSOR, "ew-resize", "sb_h_double_arrow", "split_h");
C(GLFW_NS_RESIZE_CURSOR, "ns-resize", "sb_v_double_arrow", "split_v");
C(GLFW_NESW_RESIZE_CURSOR, "nesw-resize", "size_bdiag", "size-bdiag");
C(GLFW_NWSE_RESIZE_CURSOR, "nwse-resize", "size_fdiag", "size-fdiag");
C(GLFW_ZOOM_IN_CURSOR, "zoom-in", "zoom_in");
C(GLFW_ZOOM_OUT_CURSOR, "zoom-out", "zoom_out");
C(GLFW_ALIAS_CURSOR, "dnd-link");
C(GLFW_COPY_CURSOR, "dnd-copy");
C(GLFW_NOT_ALLOWED_CURSOR, "not-allowed", "forbidden", "crossed_circle");
C(GLFW_NO_DROP_CURSOR, "no-drop", "dnd-no-drop");
C(GLFW_GRAB_CURSOR, "grab", "openhand", "hand1");
C(GLFW_GRABBING_CURSOR, "grabbing", "closedhand", "dnd-none");
/* end glfw to xc mapping */
case GLFW_INVALID_CURSOR:
break;
}
return ans;
#undef NUMARGS
#undef C
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformCreateWindow(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig)
{
window->wl.layer_shell.config = layer_shell_config_for_next_window;
memset(&layer_shell_config_for_next_window, 0, sizeof(layer_shell_config_for_next_window));
csd_initialize_metrics(window);
window->wl.transparent = fbconfig->transparent;
strncpy(window->wl.appId, wndconfig->wl.appId, sizeof(window->wl.appId));
window->swaps_disallowed = true;
if (!createSurface(window, wndconfig)) return false;
if (ctxconfig->client != GLFW_NO_API)
{
if (ctxconfig->source == GLFW_EGL_CONTEXT_API ||
ctxconfig->source == GLFW_NATIVE_CONTEXT_API)
{
if (!_glfwInitEGL())
return false;
if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
return false;
}
else if (ctxconfig->source == GLFW_OSMESA_CONTEXT_API)
{
if (!_glfwInitOSMesa())
return false;
if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig))
return false;
}
}
if (wndconfig->title)
window->wl.title = _glfw_strdup(wndconfig->title);
if (wndconfig->maximized)
window->wl.maximize_on_first_show = true;
if (wndconfig->visible)
{
if (!create_window_desktop_surface(window))
return false;
window->wl.visible = true;
}
else
{
window->wl.xdg.surface = NULL;
window->wl.xdg.toplevel = NULL;
window->wl.layer_shell.zwlr_layer_surface_v1 = NULL;
window->wl.visible = false;
}
window->wl.currentCursor = NULL;
// Don't set window->wl.cursorTheme to NULL here.
window->wl.monitors = calloc(1, sizeof(_GLFWmonitor*));
window->wl.monitorsCount = 0;
window->wl.monitorsSize = 1;
if (window->wl.visible) loop_till_window_fully_created(window);
return true;
}
void _glfwPlatformDestroyWindow(_GLFWwindow* window)
{
if (window == _glfw.wl.pointerFocus)
{
_glfw.wl.pointerFocus = NULL;
_glfwInputCursorEnter(window, false);
}
if (window->id == _glfw.wl.keyboardFocusId)
{
_glfw.wl.keyboardFocusId = 0;
_glfwInputWindowFocus(window, false);
}
if (window->id == _glfw.wl.keyRepeatInfo.keyboardFocusId) {
_glfw.wl.keyRepeatInfo.keyboardFocusId = 0;
}
if (window->wl.temp_buffer_used_during_window_creation)
wl_buffer_destroy(window->wl.temp_buffer_used_during_window_creation);
if (window->wl.wp_fractional_scale_v1)
wp_fractional_scale_v1_destroy(window->wl.wp_fractional_scale_v1);
if (window->wl.wp_viewport)
wp_viewport_destroy(window->wl.wp_viewport);
if (window->wl.org_kde_kwin_blur)
org_kde_kwin_blur_release(window->wl.org_kde_kwin_blur);
if (window->context.destroy)
window->context.destroy(window);
csd_free_all_resources(window);
if (window->wl.xdg.decoration)
zxdg_toplevel_decoration_v1_destroy(window->wl.xdg.decoration);
if (window->wl.native)
wl_egl_window_destroy(window->wl.native);
if (window->wl.xdg.toplevel)
xdg_toplevel_destroy(window->wl.xdg.toplevel);
if (window->wl.xdg.surface)
xdg_surface_destroy(window->wl.xdg.surface);
if (window->wl.surface)
wl_surface_destroy(window->wl.surface);
free(window->wl.title);
free(window->wl.monitors);
if (window->wl.frameCallbackData.current_wl_callback)
wl_callback_destroy(window->wl.frameCallbackData.current_wl_callback);
}
void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
{
if (window->wl.title) {
if (title && strcmp(title, window->wl.title) == 0) return;
free(window->wl.title);
} else if (!title) return;
// Wayland cannot handle requests larger than ~8200 bytes. Sending
// one causes an abort(). Since titles this large are meaningless anyway
// ensure they do not happen.
window->wl.title = utf_8_strndup(title, 2048);
if (window->wl.xdg.toplevel) {
xdg_toplevel_set_title(window->wl.xdg.toplevel, window->wl.title);
csd_change_title(window);
commit_window_surface_if_safe(window);
}
}
void _glfwPlatformSetWindowIcon(_GLFWwindow* window UNUSED,
int count UNUSED, const GLFWimage* images UNUSED)
{
_glfwInputError(GLFW_FEATURE_UNAVAILABLE,
"Wayland: The platform does not support setting the window icon");
}
void _glfwPlatformGetWindowPos(_GLFWwindow* window UNUSED, int* xpos UNUSED, int* ypos UNUSED)
{
// A Wayland client is not aware of its position, so just warn and leave it
// as (0, 0)
static bool warned_once = false;
if (!warned_once) {
_glfwInputError(GLFW_FEATURE_UNAVAILABLE,
"Wayland: The platform does not provide the window position");
warned_once = true;
}
}
void _glfwPlatformSetWindowPos(_GLFWwindow* window UNUSED, int xpos UNUSED, int ypos UNUSED)
{
// A Wayland client can not set its position, so just warn
_glfwInputError(GLFW_FEATURE_UNAVAILABLE,
"Wayland: The platform does not support setting the window position");
}
void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height)
{
if (width)
*width = window->wl.width;
if (height)
*height = window->wl.height;
}
void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
{
if (width != window->wl.width || height != window->wl.height) {
window->wl.user_requested_content_size.width = width;
window->wl.user_requested_content_size.height = height;
int32_t w = 0, h = 0;
csd_set_window_geometry(window, &w, &h);
window->wl.width = w; window->wl.height = h;
resizeFramebuffer(window);
csd_set_visible(window, true); // resizes the csd iff the window currently has csd
commit_window_surface_if_safe(window);
inform_compositor_of_window_geometry(window, "SetWindowSize");
}
}
void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window,
int minwidth, int minheight,
int maxwidth, int maxheight)
{
if (window->wl.xdg.toplevel)
{
if (minwidth == GLFW_DONT_CARE || minheight == GLFW_DONT_CARE)
minwidth = minheight = 0;
if (maxwidth == GLFW_DONT_CARE || maxheight == GLFW_DONT_CARE)
maxwidth = maxheight = 0;
xdg_toplevel_set_min_size(window->wl.xdg.toplevel, minwidth, minheight);
xdg_toplevel_set_max_size(window->wl.xdg.toplevel, maxwidth, maxheight);
commit_window_surface_if_safe(window);
}
}
void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window UNUSED,
int numer UNUSED, int denom UNUSED)
{
// TODO: find out how to trigger a resize.
// The actual limits are checked in the xdg_toplevel::configure handler.
_glfwInputError(GLFW_FEATURE_UNIMPLEMENTED,
"Wayland: Window aspect ratio not yet implemented");
}
void _glfwPlatformSetWindowSizeIncrements(_GLFWwindow* window UNUSED,
int widthincr UNUSED, int heightincr UNUSED)
{
// TODO: find out how to trigger a resize.
// The actual limits are checked in the xdg_toplevel::configure handler.
}
void _glfwPlatformGetFramebufferSize(_GLFWwindow* window,
int* width, int* height)
{
_glfwPlatformGetWindowSize(window, width, height);
double fscale = _glfwWaylandWindowScale(window);
if (width)
*width = (int)round(*width * fscale);
if (height)
*height = (int)round(*height * fscale);
}
void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
int* left, int* top,
int* right, int* bottom)
{
if (window->decorated && !window->monitor && !window->wl.decorations.serverSide)
{
if (top)
*top = window->wl.decorations.metrics.top - window->wl.decorations.metrics.visible_titlebar_height;
if (left)
*left = window->wl.decorations.metrics.width;
if (right)
*right = window->wl.decorations.metrics.width;
if (bottom)
*bottom = window->wl.decorations.metrics.width;
}
}
void _glfwPlatformGetWindowContentScale(_GLFWwindow* window,
float* xscale, float* yscale)
{
float fscale = (float)_glfwWaylandWindowScale(window);
if (xscale)
*xscale = fscale;
if (yscale)
*yscale = fscale;
}
monotonic_t _glfwPlatformGetDoubleClickInterval(_GLFWwindow* window UNUSED)
{
return ms_to_monotonic_t(500ll);
}
void _glfwPlatformIconifyWindow(_GLFWwindow* window)
{
if (window->wl.xdg.toplevel) {
if (window->wl.wm_capabilities.minimize) xdg_toplevel_set_minimized(window->wl.xdg.toplevel);
else _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland compositor does not support minimizing windows");
}
}
void _glfwPlatformRestoreWindow(_GLFWwindow* window)
{
if (window->wl.xdg.toplevel)
{
if (window->monitor)
xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel);
if (window->wl.current.toplevel_states & TOPLEVEL_STATE_MAXIMIZED)
xdg_toplevel_unset_maximized(window->wl.xdg.toplevel);
// There is no way to unset minimized, or even to know if we are
// minimized, so there is nothing to do in this case.
}
_glfwInputWindowMonitor(window, NULL);
}
void _glfwPlatformMaximizeWindow(_GLFWwindow* window)
{
if (window->wl.xdg.toplevel) {
if (window->wl.wm_capabilities.maximize) xdg_toplevel_set_maximized(window->wl.xdg.toplevel);
else _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland compositor does not support maximizing windows");
}
}
void _glfwPlatformShowWindow(_GLFWwindow* window)
{
if (!window->wl.visible) {
create_window_desktop_surface(window);
window->wl.visible = true;
loop_till_window_fully_created(window);
}
}
void _glfwPlatformHideWindow(_GLFWwindow* window)
{
if (window->wl.xdg.toplevel)
{
xdg_toplevel_destroy(window->wl.xdg.toplevel);
xdg_surface_destroy(window->wl.xdg.surface);
window->wl.xdg.toplevel = NULL;
window->wl.xdg.surface = NULL;
window->wl.once.surface_configured = false;
window->swaps_disallowed = true;
}
window->wl.visible = false;
}
static void
request_attention(GLFWwindow *window, const char *token, void *data UNUSED) {
if (window && token && token[0] && _glfw.wl.xdg_activation_v1) xdg_activation_v1_activate(_glfw.wl.xdg_activation_v1, token, ((_GLFWwindow*)window)->wl.surface);
}
static bool
has_activation_in_flight(_GLFWwindow* window, GLFWactivationcallback callback) {
for (size_t i = 0; i < _glfw.wl.activation_requests.sz; i++) {
glfw_wl_xdg_activation_request *r = _glfw.wl.activation_requests.array + i;
if (r->window_id == window->id && r->callback == callback) return true;
}
return false;
}
void _glfwPlatformRequestWindowAttention(_GLFWwindow* window) {
if (!has_activation_in_flight(window, request_attention)) get_activation_token(window, 0, request_attention, NULL);
}
int _glfwPlatformWindowBell(_GLFWwindow* window UNUSED)
{
// TODO: Use an actual Wayland API to implement this when one becomes available
return false;
}
static void
focus_window(GLFWwindow *window, const char *token, void *data UNUSED) {
if (!window) return;
if (token && token[0] && _glfw.wl.xdg_activation_v1) xdg_activation_v1_activate(_glfw.wl.xdg_activation_v1, token, ((_GLFWwindow*)window)->wl.surface);
else {
_glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Window focus request via xdg-activation protocol was denied or is unsupported by the compositor. Use a better compositor.");
}
}
void _glfwPlatformFocusWindow(_GLFWwindow* window UNUSED)
{
// Attempt to focus the window by using the activation protocol, whether it works
// is entirely compositor dependent and as we all know Wayland and its ecosystem is
// the product of morons.
if (_glfw.wl.input_serial && !has_activation_in_flight(window, focus_window)) get_activation_token(window, _glfw.wl.input_serial, focus_window, NULL);
}
void _glfwPlatformSetWindowMonitor(_GLFWwindow* window,
_GLFWmonitor* monitor,
int xpos UNUSED, int ypos UNUSED,
int width UNUSED, int height UNUSED,
int refreshRate UNUSED)
{
setFullscreen(window, monitor, monitor != NULL);
_glfwInputWindowMonitor(window, monitor);
}
int _glfwPlatformWindowFocused(_GLFWwindow* window)
{
return _glfw.wl.keyboardFocusId == (window ? window->id : 0);
}
int _glfwPlatformWindowOccluded(_GLFWwindow* window UNUSED)
{
#ifdef XDG_TOPLEVEL_STATE_SUSPENDED_SINCE_VERSION
return (window->wl.current.toplevel_states & TOPLEVEL_STATE_SUSPENDED) != 0;
#endif
return false;
}
int _glfwPlatformWindowIconified(_GLFWwindow* window UNUSED)
{
// xdg-shell doesn’t give any way to request whether a surface is
// iconified.
return false;
}
int _glfwPlatformWindowVisible(_GLFWwindow* window)
{
return window->wl.visible;
}
int _glfwPlatformWindowMaximized(_GLFWwindow* window)
{
return window->wl.current.toplevel_states & TOPLEVEL_STATE_MAXIMIZED;
}
int _glfwPlatformWindowHovered(_GLFWwindow* window)
{
return window->wl.hovered;
}
int _glfwPlatformFramebufferTransparent(_GLFWwindow* window)
{
return window->wl.transparent;
}
void _glfwPlatformSetWindowResizable(_GLFWwindow* window UNUSED, bool enabled UNUSED)
{
// TODO
_glfwInputError(GLFW_FEATURE_UNIMPLEMENTED,
"Wayland: Window attribute setting not implemented yet");
}
void _glfwPlatformSetWindowFloating(_GLFWwindow* window UNUSED, bool enabled UNUSED)
{
// TODO
_glfwInputError(GLFW_FEATURE_UNIMPLEMENTED,
"Wayland: Window attribute setting not implemented yet");
}
void _glfwPlatformSetWindowMousePassthrough(_GLFWwindow* window, bool enabled)
{
if (enabled)
{
struct wl_region* region = wl_compositor_create_region(_glfw.wl.compositor);
wl_surface_set_input_region(window->wl.surface, region);
wl_region_destroy(region);
}
else
wl_surface_set_input_region(window->wl.surface, 0);
commit_window_surface_if_safe(window);
}
float _glfwPlatformGetWindowOpacity(_GLFWwindow* window UNUSED)
{
return 1.f;
}
void _glfwPlatformSetWindowOpacity(_GLFWwindow* window UNUSED, float opacity UNUSED)
{
_glfwInputError(GLFW_FEATURE_UNAVAILABLE,
"Wayland: The platform does not support setting the window opacity");
}
void _glfwPlatformSetRawMouseMotion(_GLFWwindow *window UNUSED, bool enabled UNUSED)
{
// This is handled in relativePointerHandleRelativeMotion
}
bool _glfwPlatformRawMouseMotionSupported(void)
{
return true;
}
void _glfwPlatformPollEvents(void)
{
wl_display_dispatch_pending(_glfw.wl.display);
handleEvents(0);
}
void _glfwPlatformWaitEvents(void)
{
monotonic_t timeout = wl_display_dispatch_pending(_glfw.wl.display) > 0 ? 0 : -1;
handleEvents(timeout);
}
void _glfwPlatformWaitEventsTimeout(monotonic_t timeout)
{
if (wl_display_dispatch_pending(_glfw.wl.display) > 0) timeout = 0;
handleEvents(timeout);
}
void _glfwPlatformPostEmptyEvent(void)
{
wakeupEventLoop(&_glfw.wl.eventLoopData);
}
void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos)
{
if (xpos)
*xpos = window->wl.cursorPosX;
if (ypos)
*ypos = window->wl.cursorPosY;
}
static bool isPointerLocked(_GLFWwindow* window);
void _glfwPlatformSetCursorPos(_GLFWwindow* window, double x, double y)
{
if (isPointerLocked(window))
{
zwp_locked_pointer_v1_set_cursor_position_hint(
window->wl.pointerLock.lockedPointer,
wl_fixed_from_double(x), wl_fixed_from_double(y));
commit_window_surface_if_safe(window);
}
}
void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode UNUSED)
{
_glfwPlatformSetCursor(window, window->wl.currentCursor);
}
const char* _glfwPlatformGetNativeKeyName(int native_key)
{
return glfw_xkb_keysym_name(native_key);
}
int _glfwPlatformGetNativeKeyForKey(uint32_t key)
{
return glfw_xkb_sym_for_key(key);
}
int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
const GLFWimage* image,
int xhot, int yhot, int count UNUSED)
{
cursor->wl.buffer = createShmBuffer(image, false, true);
if (!cursor->wl.buffer)
return false;
cursor->wl.width = image->width;
cursor->wl.height = image->height;
cursor->wl.xhot = xhot;
cursor->wl.yhot = yhot;
cursor->wl.scale = -1;
cursor->wl.shape = GLFW_INVALID_CURSOR;
return true;
}
int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, GLFWCursorShape shape)
{
// Don't actually load the cursor at this point,
// because there's not enough info to be properly HiDPI aware.
cursor->wl.cursor = NULL;
cursor->wl.currentImage = 0;
cursor->wl.scale = 0;
cursor->wl.shape = shape;
return true;
}
void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
{
// If it's a standard cursor we don't need to do anything here
if (cursor->wl.cursor)
return;
if (cursor->wl.buffer)
wl_buffer_destroy(cursor->wl.buffer);
}
static void relativePointerHandleRelativeMotion(void* data,
struct zwp_relative_pointer_v1* pointer UNUSED,
uint32_t timeHi UNUSED,
uint32_t timeLo UNUSED,
wl_fixed_t dx,
wl_fixed_t dy,
wl_fixed_t dxUnaccel,
wl_fixed_t dyUnaccel)
{
_GLFWwindow* window = data;
double xpos = window->virtualCursorPosX;
double ypos = window->virtualCursorPosY;
if (window->cursorMode != GLFW_CURSOR_DISABLED)
return;
if (window->rawMouseMotion)
{
xpos += wl_fixed_to_double(dxUnaccel);
ypos += wl_fixed_to_double(dyUnaccel);
}
else
{
xpos += wl_fixed_to_double(dx);
ypos += wl_fixed_to_double(dy);
}
_glfwInputCursorPos(window, xpos, ypos);
}
static const struct zwp_relative_pointer_v1_listener relativePointerListener = {
relativePointerHandleRelativeMotion
};
static void lockedPointerHandleLocked(void* data UNUSED,
struct zwp_locked_pointer_v1* lockedPointer UNUSED)
{
}
static void unlockPointer(_GLFWwindow* window)
{
struct zwp_relative_pointer_v1* relativePointer =
window->wl.pointerLock.relativePointer;
struct zwp_locked_pointer_v1* lockedPointer =
window->wl.pointerLock.lockedPointer;
zwp_relative_pointer_v1_destroy(relativePointer);
zwp_locked_pointer_v1_destroy(lockedPointer);
window->wl.pointerLock.relativePointer = NULL;
window->wl.pointerLock.lockedPointer = NULL;
}
static void lockPointer(_GLFWwindow* window UNUSED);
static void lockedPointerHandleUnlocked(void* data UNUSED,
struct zwp_locked_pointer_v1* lockedPointer UNUSED)
{
}
static const struct zwp_locked_pointer_v1_listener lockedPointerListener = {
lockedPointerHandleLocked,
lockedPointerHandleUnlocked
};
static void lockPointer(_GLFWwindow* window)
{
struct zwp_relative_pointer_v1* relativePointer;
struct zwp_locked_pointer_v1* lockedPointer;
if (!_glfw.wl.relativePointerManager)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: no relative pointer manager");
return;
}
relativePointer =
zwp_relative_pointer_manager_v1_get_relative_pointer(
_glfw.wl.relativePointerManager,
_glfw.wl.pointer);
zwp_relative_pointer_v1_add_listener(relativePointer,
&relativePointerListener,
window);
lockedPointer =
zwp_pointer_constraints_v1_lock_pointer(
_glfw.wl.pointerConstraints,
window->wl.surface,
_glfw.wl.pointer,
NULL,
ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT);
zwp_locked_pointer_v1_add_listener(lockedPointer,
&lockedPointerListener,
window);
window->wl.pointerLock.relativePointer = relativePointer;
window->wl.pointerLock.lockedPointer = lockedPointer;
set_cursor_surface(NULL, 0, 0, "lockPointer");
}
static bool isPointerLocked(_GLFWwindow* window)
{
return window->wl.pointerLock.lockedPointer != NULL;
}
void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
{
if (!_glfw.wl.pointer)
return;
window->wl.currentCursor = cursor;
// If we're not in the correct window just save the cursor
// the next time the pointer enters the window the cursor will change
if (window != _glfw.wl.pointerFocus || window->wl.decorations.focus != CENTRAL_WINDOW)
return;
// Unlock possible pointer lock if no longer disabled.
if (window->cursorMode != GLFW_CURSOR_DISABLED && isPointerLocked(window))
unlockPointer(window);
if (window->cursorMode == GLFW_CURSOR_NORMAL)
{
setCursorImage(window, false);
}
else if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
if (!isPointerLocked(window))
lockPointer(window);
}
else if (window->cursorMode == GLFW_CURSOR_HIDDEN)
{
set_cursor_surface(NULL, 0, 0, "_glfwPlatformSetCursor");
}
}
static bool
write_all(int fd, const char *data, size_t sz) {
monotonic_t start = glfwGetTime();
size_t pos = 0;
while (pos < sz && glfwGetTime() - start < s_to_monotonic_t(2ll)) {
ssize_t ret = write(fd, data + pos, sz - pos);
if (ret < 0) {
if (errno == EAGAIN || errno == EINTR) continue;
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Could not copy writing to destination fd failed with error: %s", strerror(errno));
return false;
}
if (ret > 0) {
start = glfwGetTime();
pos += ret;
}
}
return pos >= sz;
}
static void
send_clipboard_data(const _GLFWClipboardData *cd, const char *mime, int fd) {
if (strcmp(mime, "text/plain;charset=utf-8") == 0 || strcmp(mime, "UTF8_STRING") == 0 || strcmp(mime, "TEXT") == 0 || strcmp(mime, "STRING") == 0) mime = "text/plain";
GLFWDataChunk chunk = cd->get_data(mime, NULL, cd->ctype);
void *iter = chunk.iter;
if (!iter) return;
bool keep_going = true;
while (keep_going) {
chunk = cd->get_data(mime, iter, cd->ctype);
if (!chunk.sz) break;
if (!write_all(fd, chunk.data, chunk.sz)) keep_going = false;
if (chunk.free) chunk.free((void*)chunk.free_data);
}
cd->get_data(NULL, iter, cd->ctype);
}
static void _glfwSendClipboardText(void *data UNUSED, struct wl_data_source *data_source UNUSED, const char *mime_type, int fd) {
send_clipboard_data(&_glfw.clipboard, mime_type, fd);
close(fd);
}
static void _glfwSendPrimarySelectionText(void *data UNUSED, struct zwp_primary_selection_source_v1 *primary_selection_source UNUSED,
const char *mime_type, int fd) {
send_clipboard_data(&_glfw.primary, mime_type, fd);
close(fd);
}
static void
read_offer(int data_pipe, GLFWclipboardwritedatafun write_data, void *object) {
wl_display_flush(_glfw.wl.display);
struct pollfd fds;
fds.fd = data_pipe;
fds.events = POLLIN;
monotonic_t start = glfwGetTime();
#define bail(...) { \
_glfwInputError(GLFW_PLATFORM_ERROR, __VA_ARGS__); \
close(data_pipe); \
return; \
}
char buf[8192];
while (glfwGetTime() - start < s_to_monotonic_t(2ll)) {
int ret = poll(&fds, 1, 2000);
if (ret == -1) {
if (errno == EINTR) continue;
bail("Wayland: Failed to poll clipboard data from pipe with error: %s", strerror(errno));
}
if (!ret) {
bail("Wayland: Failed to read clipboard data from pipe (timed out)");
}
ret = read(data_pipe, buf, sizeof(buf));
if (ret == -1) {
if (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK) continue;
bail("Wayland: Failed to read clipboard data from pipe with error: %s", strerror(errno));
}
if (ret == 0) { close(data_pipe); return; }
if (!write_data(object, buf, ret)) bail("Wayland: call to write_data() failed with data from data offer");
start = glfwGetTime();
}
bail("Wayland: Failed to read clipboard data from pipe (timed out)");
#undef bail
}
typedef struct chunked_writer {
char *buf; size_t sz, cap;
} chunked_writer;
static bool
write_chunk(void *object, const char *data, size_t sz) {
chunked_writer *cw = object;
if (cw->cap < cw->sz + sz) {
cw->cap = MAX(cw->cap * 2, cw->sz + 8*sz);
cw->buf = realloc(cw->buf, cw->cap * sizeof(cw->buf[0]));
}
memcpy(cw->buf + cw->sz, data, sz);
cw->sz += sz;
return true;
}
static char*
read_offer_string(int data_pipe, size_t *sz) {
chunked_writer cw = {0};
read_offer(data_pipe, write_chunk, &cw);
if (cw.buf) {
*sz = cw.sz;
return cw.buf;
}
*sz = 0;
return NULL;
}
static void
read_clipboard_data_offer(struct wl_data_offer *data_offer, const char *mime, GLFWclipboardwritedatafun write_data, void *object) {
int pipefd[2];
if (pipe2(pipefd, O_CLOEXEC) != 0) return;
wl_data_offer_receive(data_offer, mime, pipefd[1]);
close(pipefd[1]);
read_offer(pipefd[0], write_data, object);
}
static void
read_primary_selection_offer(struct zwp_primary_selection_offer_v1 *primary_selection_offer, const char *mime, GLFWclipboardwritedatafun write_data, void *object) {
int pipefd[2];
if (pipe2(pipefd, O_CLOEXEC) != 0) return;
zwp_primary_selection_offer_v1_receive(primary_selection_offer, mime, pipefd[1]);
close(pipefd[1]);
read_offer(pipefd[0], write_data, object);
}
static char* read_data_offer(struct wl_data_offer *data_offer, const char *mime, size_t *sz) {
int pipefd[2];
if (pipe2(pipefd, O_CLOEXEC) != 0) return NULL;
wl_data_offer_receive(data_offer, mime, pipefd[1]);
close(pipefd[1]);
return read_offer_string(pipefd[0], sz);
}
static void data_source_canceled(void *data UNUSED, struct wl_data_source *wl_data_source) {
if (_glfw.wl.dataSourceForClipboard == wl_data_source) {
_glfw.wl.dataSourceForClipboard = NULL;
_glfw_free_clipboard_data(&_glfw.clipboard);
}
wl_data_source_destroy(wl_data_source);
}
static void primary_selection_source_canceled(void *data UNUSED, struct zwp_primary_selection_source_v1 *primary_selection_source) {
if (_glfw.wl.dataSourceForPrimarySelection == primary_selection_source) {
_glfw.wl.dataSourceForPrimarySelection = NULL;
_glfw_free_clipboard_data(&_glfw.primary);
}
zwp_primary_selection_source_v1_destroy(primary_selection_source);
}
// KWin aborts if we don't define these even though they are not used for copy/paste
static void dummy_data_source_target(void* data UNUSED, struct wl_data_source* wl_data_source UNUSED, const char* mime_type UNUSED) {
}
static void dummy_data_source_action(void* data UNUSED, struct wl_data_source* wl_data_source UNUSED, uint dnd_action UNUSED) {
}
static const struct wl_data_source_listener data_source_listener = {
.send = _glfwSendClipboardText,
.cancelled = data_source_canceled,
.target = dummy_data_source_target,
.action = dummy_data_source_action,
};
static const struct zwp_primary_selection_source_v1_listener primary_selection_source_listener = {
.send = _glfwSendPrimarySelectionText,
.cancelled = primary_selection_source_canceled,
};
void
destroy_data_offer(_GLFWWaylandDataOffer *offer) {
if (offer->id) {
if (offer->is_primary) zwp_primary_selection_offer_v1_destroy(offer->id);
else wl_data_offer_destroy(offer->id);
}
if (offer->mimes) {
for (size_t i = 0; i < offer->mimes_count; i++) free((char*)offer->mimes[i]);
free(offer->mimes);
}
memset(offer, 0, sizeof(_GLFWWaylandDataOffer));
}
static void prune_unclaimed_data_offers(void) {
for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) {
if (_glfw.wl.dataOffers[i].id && !_glfw.wl.dataOffers[i].offer_type) {
destroy_data_offer(&_glfw.wl.dataOffers[i]);
}
}
}
static void mark_selection_offer(void *data UNUSED, struct wl_data_device *data_device UNUSED, struct wl_data_offer *data_offer)
{
for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) {
if (_glfw.wl.dataOffers[i].id == data_offer) {
_glfw.wl.dataOffers[i].offer_type = CLIPBOARD;
} else if (_glfw.wl.dataOffers[i].offer_type == CLIPBOARD) {
_glfw.wl.dataOffers[i].offer_type = EXPIRED; // previous selection offer
}
}
prune_unclaimed_data_offers();
}
static void mark_primary_selection_offer(void *data UNUSED, struct zwp_primary_selection_device_v1* primary_selection_device UNUSED,
struct zwp_primary_selection_offer_v1 *primary_selection_offer) {
for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) {
if (_glfw.wl.dataOffers[i].id == primary_selection_offer) {
_glfw.wl.dataOffers[i].offer_type = PRIMARY_SELECTION;
} else if (_glfw.wl.dataOffers[i].offer_type == PRIMARY_SELECTION) {
_glfw.wl.dataOffers[i].offer_type = EXPIRED; // previous selection offer
}
}
prune_unclaimed_data_offers();
}
static void
set_offer_mimetype(_GLFWWaylandDataOffer* offer, const char* mime) {
if (strcmp(mime, clipboard_mime()) == 0) {
offer->is_self_offer = true;
}
if (!offer->mimes || offer->mimes_count >= offer->mimes_capacity - 1) {
offer->mimes = realloc(offer->mimes, sizeof(char*) * (offer->mimes_capacity + 64));
if (offer->mimes) offer->mimes_capacity += 64;
else return;
}
offer->mimes[offer->mimes_count++] = _glfw_strdup(mime);
}
static void handle_offer_mimetype(void *data UNUSED, struct wl_data_offer* id, const char *mime) {
for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) {
if (_glfw.wl.dataOffers[i].id == id) {
set_offer_mimetype(&_glfw.wl.dataOffers[i], mime);
break;
}
}
}
static void handle_primary_selection_offer_mimetype(void *data UNUSED, struct zwp_primary_selection_offer_v1* id, const char *mime) {
for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) {
if (_glfw.wl.dataOffers[i].id == id) {
set_offer_mimetype((_GLFWWaylandDataOffer*)&_glfw.wl.dataOffers[i], mime);
break;
}
}
}
static void data_offer_source_actions(void *data UNUSED, struct wl_data_offer* id, uint32_t actions) {
for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) {
if (_glfw.wl.dataOffers[i].id == id) {
_glfw.wl.dataOffers[i].source_actions = actions;
break;
}
}
}
static void data_offer_action(void *data UNUSED, struct wl_data_offer* id, uint32_t action) {
for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) {
if (_glfw.wl.dataOffers[i].id == id) {
_glfw.wl.dataOffers[i].dnd_action = action;
break;
}
}
}
static const struct wl_data_offer_listener data_offer_listener = {
.offer = handle_offer_mimetype,
.source_actions = data_offer_source_actions,
.action = data_offer_action,
};
static const struct zwp_primary_selection_offer_v1_listener primary_selection_offer_listener = {
.offer = handle_primary_selection_offer_mimetype,
};
static size_t
handle_data_offer_generic(void *id, bool is_primary) {
size_t smallest_idx = SIZE_MAX, pos = 0;
for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) {
if (_glfw.wl.dataOffers[i].idx && _glfw.wl.dataOffers[i].idx < smallest_idx) {
smallest_idx = _glfw.wl.dataOffers[i].idx;
pos = i;
}
if (_glfw.wl.dataOffers[i].id == NULL) {
pos = i;
goto end;
}
}
if (_glfw.wl.dataOffers[pos].id) destroy_data_offer(&_glfw.wl.dataOffers[pos]);
end:
_glfw.wl.dataOffers[pos].id = id;
_glfw.wl.dataOffers[pos].is_primary = is_primary;
_glfw.wl.dataOffers[pos].idx = ++_glfw.wl.dataOffersCounter;
return pos;
}
static void handle_data_offer(void *data UNUSED, struct wl_data_device *wl_data_device UNUSED, struct wl_data_offer *id) {
handle_data_offer_generic(id, false);
wl_data_offer_add_listener(id, &data_offer_listener, NULL);
}
static void handle_primary_selection_offer(void *data UNUSED, struct zwp_primary_selection_device_v1 *zwp_primary_selection_device_v1 UNUSED, struct zwp_primary_selection_offer_v1 *id) {
handle_data_offer_generic(id, true);
zwp_primary_selection_offer_v1_add_listener(id, &primary_selection_offer_listener, NULL);
}
static void drag_enter(void *data UNUSED, struct wl_data_device *wl_data_device UNUSED, uint32_t serial, struct wl_surface *surface, wl_fixed_t x UNUSED, wl_fixed_t y UNUSED, struct wl_data_offer *id) {
for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) {
_GLFWWaylandDataOffer *d = _glfw.wl.dataOffers + i;
if (d->id == id) {
d->offer_type = DRAG_AND_DROP;
d->surface = surface;
_GLFWwindow* window = _glfw.windowListHead;
int format_priority = 0;
while (window)
{
if (window->wl.surface == surface) {
for (size_t j = 0; j < d->mimes_count; j++) {
int prio = _glfwInputDrop(window, d->mimes[j], NULL, 0);
if (prio > format_priority) d->mime_for_drop = d->mimes[j];
}
break;
}
window = window->next;
}
wl_data_offer_accept(id, serial, d->mime_for_drop);
} else if (_glfw.wl.dataOffers[i].offer_type == DRAG_AND_DROP) {
_glfw.wl.dataOffers[i].offer_type = EXPIRED; // previous drag offer
}
}
prune_unclaimed_data_offers();
}
static void drag_leave(void *data UNUSED, struct wl_data_device *wl_data_device UNUSED) {
for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) {
if (_glfw.wl.dataOffers[i].offer_type == DRAG_AND_DROP) {
destroy_data_offer(&_glfw.wl.dataOffers[i]);
}
}
}
static void drop(void *data UNUSED, struct wl_data_device *wl_data_device UNUSED) {
for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) {
if (_glfw.wl.dataOffers[i].offer_type == DRAG_AND_DROP && _glfw.wl.dataOffers[i].mime_for_drop) {
size_t sz = 0;
char *d = read_data_offer(_glfw.wl.dataOffers[i].id, _glfw.wl.dataOffers[i].mime_for_drop, &sz);
if (d) {
// We dont do finish as this requires version 3 for wl_data_device_manager
// which then requires more work with calling set_actions for drag and drop to function
// wl_data_offer_finish(_glfw.wl.dataOffers[i].id);
_GLFWwindow* window = _glfw.windowListHead;
while (window)
{
if (window->wl.surface == _glfw.wl.dataOffers[i].surface) {
_glfwInputDrop(window, _glfw.wl.dataOffers[i].mime_for_drop, d, sz);
break;
}
window = window->next;
}
free(d);
}
destroy_data_offer(&_glfw.wl.dataOffers[i]);
break;
}
}
}
static void motion(void *data UNUSED, struct wl_data_device *wl_data_device UNUSED, uint32_t time UNUSED, wl_fixed_t x UNUSED, wl_fixed_t y UNUSED) {
}
static const struct wl_data_device_listener data_device_listener = {
.data_offer = handle_data_offer,
.selection = mark_selection_offer,
.enter = drag_enter,
.motion = motion,
.drop = drop,
.leave = drag_leave,
};
static const struct zwp_primary_selection_device_v1_listener primary_selection_device_listener = {
.data_offer = handle_primary_selection_offer,
.selection = mark_primary_selection_offer,
};
void _glfwSetupWaylandDataDevice(void) {
_glfw.wl.dataDevice = wl_data_device_manager_get_data_device(_glfw.wl.dataDeviceManager, _glfw.wl.seat);
if (_glfw.wl.dataDevice) wl_data_device_add_listener(_glfw.wl.dataDevice, &data_device_listener, NULL);
}
void _glfwSetupWaylandPrimarySelectionDevice(void) {
_glfw.wl.primarySelectionDevice = zwp_primary_selection_device_manager_v1_get_device(_glfw.wl.primarySelectionDeviceManager, _glfw.wl.seat);
if (_glfw.wl.primarySelectionDevice) zwp_primary_selection_device_v1_add_listener(_glfw.wl.primarySelectionDevice, &primary_selection_device_listener, NULL);
}
static bool _glfwEnsureDataDevice(void) {
if (!_glfw.wl.dataDeviceManager)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Cannot use clipboard, data device manager is not ready");
return false;
}
if (!_glfw.wl.dataDevice)
{
if (!_glfw.wl.seat)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Cannot use clipboard, seat is not ready");
return false;
}
if (!_glfw.wl.dataDevice)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Cannot use clipboard, failed to create data device");
return false;
}
}
return true;
}
typedef void(*add_offer_func)(void*, const char *mime);
void
_glfwPlatformSetClipboard(GLFWClipboardType t) {
_GLFWClipboardData *cd = NULL;
void *data_source;
add_offer_func f;
if (t == GLFW_CLIPBOARD) {
if (!_glfwEnsureDataDevice()) return;
cd = &_glfw.clipboard;
f = (add_offer_func)wl_data_source_offer;
if (_glfw.wl.dataSourceForClipboard) wl_data_source_destroy(_glfw.wl.dataSourceForClipboard);
_glfw.wl.dataSourceForClipboard = wl_data_device_manager_create_data_source(_glfw.wl.dataDeviceManager);
if (!_glfw.wl.dataSourceForClipboard)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Cannot copy failed to create data source");
return;
}
wl_data_source_add_listener(_glfw.wl.dataSourceForClipboard, &data_source_listener, NULL);
data_source = _glfw.wl.dataSourceForClipboard;
} else {
if (!_glfw.wl.primarySelectionDevice) {
static bool warned_about_primary_selection_device = false;
if (!warned_about_primary_selection_device) {
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Cannot copy no primary selection device available");
warned_about_primary_selection_device = true;
}
return;
}
cd = &_glfw.primary;
f = (add_offer_func)zwp_primary_selection_source_v1_offer;
if (_glfw.wl.dataSourceForPrimarySelection) zwp_primary_selection_source_v1_destroy(_glfw.wl.dataSourceForPrimarySelection);
_glfw.wl.dataSourceForPrimarySelection = zwp_primary_selection_device_manager_v1_create_source(_glfw.wl.primarySelectionDeviceManager);
if (!_glfw.wl.dataSourceForPrimarySelection)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Cannot copy failed to create primary selection source");
return;
}
zwp_primary_selection_source_v1_add_listener(_glfw.wl.dataSourceForPrimarySelection, &primary_selection_source_listener, NULL);
data_source = _glfw.wl.dataSourceForPrimarySelection;
}
f(data_source, clipboard_mime());
for (size_t i = 0; i < cd->num_mime_types; i++) {
if (strcmp(cd->mime_types[i], "text/plain") == 0) {
f(data_source, "TEXT");
f(data_source, "STRING");
f(data_source, "UTF8_STRING");
f(data_source, "text/plain;charset=utf-8");
}
f(data_source, cd->mime_types[i]);
}
if (t == GLFW_CLIPBOARD) {
// According to some interpretations of the Wayland spec only the application that has keyboard focus can set the clipboard.
// Hurray for the Wayland nanny state!
//
// However in wl-roots based compositors, using the serial from the keyboard enter event doesn't work. No clue what
// the correct serial to use here is. Given this Wayland there probably isn't one. What a joke.
// Bug report: https://github.com/kovidgoyal/kitty/issues/6890
// Ironically one of the contributors to wl_roots claims the keyboard enter serial is the correct one to use:
// https://emersion.fr/blog/2020/wayland-clipboard-drag-and-drop/
// The Wayland spec itself says "serial number of the event that triggered this request"
// https://wayland.freedesktop.org/docs/html/apa.html#protocol-spec-wl_data_device
// So who the fuck knows. Just use the latest received serial and ask anybody that uses Wayland
// to get their head examined.
wl_data_device_set_selection(_glfw.wl.dataDevice, _glfw.wl.dataSourceForClipboard, _glfw.wl.serial);
} else {
// According to the Wayland spec we can only set the primary selection in response to a pointer button event
// Hurray for the Wayland nanny state!
zwp_primary_selection_device_v1_set_selection(
_glfw.wl.primarySelectionDevice, _glfw.wl.dataSourceForPrimarySelection, _glfw.wl.pointer_serial);
}
}
static bool
offer_has_mime(const _GLFWWaylandDataOffer *d, const char *mime) {
for (unsigned i = 0; i < d->mimes_count; i++) {
if (strcmp(d->mimes[i], mime) == 0) return true;
}
return false;
}
static const char*
plain_text_mime_for_offer(const _GLFWWaylandDataOffer *d) {
#define A(x) if (offer_has_mime(d, x)) return x;
A("text/plain;charset=utf-8");
A("text/plain");
A("UTF8_STRING");
A("STRING");
A("TEXT");
#undef A
return NULL;
}
void
_glfwPlatformGetClipboard(GLFWClipboardType clipboard_type, const char* mime_type, GLFWclipboardwritedatafun write_data, void *object) {
_GLFWWaylandOfferType offer_type = clipboard_type == GLFW_PRIMARY_SELECTION ? PRIMARY_SELECTION : CLIPBOARD;
for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) {
_GLFWWaylandDataOffer *d = _glfw.wl.dataOffers + i;
if (d->id && d->offer_type == offer_type) {
if (d->is_self_offer) {
write_data(object, NULL, 1);
return;
}
if (mime_type == NULL) {
bool ok = true;
for (size_t o = 0; o < d->mimes_count; o++) {
const char *q = d->mimes[o];
if (strchr(d->mimes[0], '/')) {
if (strcmp(q, clipboard_mime()) == 0) continue;
if (strcmp(q, "text/plain;charset=utf-8") == 0) q = "text/plain";
} else {
if (strcmp(q, "UTF8_STRING") == 0 || strcmp(q, "STRING") == 0 || strcmp(q, "TEXT") == 0) q = "text/plain";
}
if (ok) ok = write_data(object, q, strlen(q));
}
return;
}
if (strcmp(mime_type, "text/plain") == 0) {
mime_type = plain_text_mime_for_offer(d);
if (!mime_type) return;
}
if (d->is_primary) {
read_primary_selection_offer(d->id, mime_type, write_data, object);
} else {
read_clipboard_data_offer(d->id, mime_type, write_data, object);
}
break;
}
}
}
EGLenum _glfwPlatformGetEGLPlatform(EGLint** attribs UNUSED)
{
if (_glfw.egl.EXT_platform_base && _glfw.egl.EXT_platform_wayland)
return EGL_PLATFORM_WAYLAND_EXT;
else
return 0;
}
EGLNativeDisplayType _glfwPlatformGetEGLNativeDisplay(void)
{
return _glfw.wl.display;
}
EGLNativeWindowType _glfwPlatformGetEGLNativeWindow(_GLFWwindow* window)
{
return window->wl.native;
}
void _glfwPlatformGetRequiredInstanceExtensions(char** extensions)
{
if (!_glfw.vk.KHR_surface || !_glfw.vk.KHR_wayland_surface)
return;
extensions[0] = "VK_KHR_surface";
extensions[1] = "VK_KHR_wayland_surface";
}
int _glfwPlatformGetPhysicalDevicePresentationSupport(VkInstance instance,
VkPhysicalDevice device,
uint32_t queuefamily)
{
PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR
vkGetPhysicalDeviceWaylandPresentationSupportKHR =
(PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR)
vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceWaylandPresentationSupportKHR");
if (!vkGetPhysicalDeviceWaylandPresentationSupportKHR)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"Wayland: Vulkan instance missing VK_KHR_wayland_surface extension");
return VK_NULL_HANDLE;
}
return vkGetPhysicalDeviceWaylandPresentationSupportKHR(device,
queuefamily,
_glfw.wl.display);
}
VkResult _glfwPlatformCreateWindowSurface(VkInstance instance,
_GLFWwindow* window,
const VkAllocationCallbacks* allocator,
VkSurfaceKHR* surface)
{
VkResult err;
VkWaylandSurfaceCreateInfoKHR sci;
PFN_vkCreateWaylandSurfaceKHR vkCreateWaylandSurfaceKHR;
vkCreateWaylandSurfaceKHR = (PFN_vkCreateWaylandSurfaceKHR)
vkGetInstanceProcAddr(instance, "vkCreateWaylandSurfaceKHR");
if (!vkCreateWaylandSurfaceKHR)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"Wayland: Vulkan instance missing VK_KHR_wayland_surface extension");
return VK_ERROR_EXTENSION_NOT_PRESENT;
}
memset(&sci, 0, sizeof(sci));
sci.sType = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR;
sci.display = _glfw.wl.display;
sci.surface = window->wl.surface;
err = vkCreateWaylandSurfaceKHR(instance, &sci, allocator, surface);
if (err)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to create Vulkan surface: %s",
_glfwGetVulkanResultString(err));
}
return err;
}
static void
frame_handle_redraw(void *data, struct wl_callback *callback, uint32_t time UNUSED) {
_GLFWwindow* window = (_GLFWwindow*) data;
if (callback == window->wl.frameCallbackData.current_wl_callback) {
window->wl.frameCallbackData.callback(window->wl.frameCallbackData.id);
window->wl.frameCallbackData.current_wl_callback = NULL;
}
wl_callback_destroy(callback);
}
void
_glfwPlatformChangeCursorTheme(void) {
glfw_wlc_destroy();
_GLFWwindow *w = _glfw.windowListHead;
while (w) {
setCursorImage(w, true);
w = w->next;
}
}
int
_glfwPlatformSetWindowBlur(_GLFWwindow *window, int blur_radius) {
if (!window->wl.transparent) return 0;
bool has_blur = window->wl.has_blur;
bool new_has_blur = blur_radius > 0;
if (new_has_blur != has_blur) {
window->wl.has_blur = new_has_blur;
update_regions(window);
}
return has_blur ? 1 : 0;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI struct wl_display* glfwGetWaylandDisplay(void)
{
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return _glfw.wl.display;
}
GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return window->wl.surface;
}
GLFWAPI void glfwWaylandActivateWindow(GLFWwindow* handle, const char *activation_token) {
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
if (activation_token && activation_token[0] && _glfw.wl.xdg_activation_v1) xdg_activation_v1_activate(_glfw.wl.xdg_activation_v1, activation_token, window->wl.surface);
}
GLFWAPI void glfwWaylandRunWithActivationToken(GLFWwindow *handle, GLFWactivationcallback cb, void *cb_data) {
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
get_activation_token(window, _glfw.wl.input_serial, cb, cb_data);
}
GLFWAPI int glfwGetNativeKeyForName(const char* keyName, bool caseSensitive) {
return glfw_xkb_keysym_from_name(keyName, caseSensitive);
}
GLFWAPI void glfwRequestWaylandFrameEvent(GLFWwindow *handle, unsigned long long id, void(*callback)(unsigned long long id)) {
_GLFWwindow* window = (_GLFWwindow*) handle;
static const struct wl_callback_listener frame_listener = { .done = frame_handle_redraw };
if (window->wl.frameCallbackData.current_wl_callback) wl_callback_destroy(window->wl.frameCallbackData.current_wl_callback);
if (window->wl.waiting_for_swap_to_commit) {
callback(id);
window->wl.frameCallbackData.id = 0;
window->wl.frameCallbackData.callback = NULL;
window->wl.frameCallbackData.current_wl_callback = NULL;
} else {
window->wl.frameCallbackData.id = id;
window->wl.frameCallbackData.callback = callback;
window->wl.frameCallbackData.current_wl_callback = wl_surface_frame(window->wl.surface);
if (window->wl.frameCallbackData.current_wl_callback) {
wl_callback_add_listener(window->wl.frameCallbackData.current_wl_callback, &frame_listener, window);
commit_window_surface_if_safe(window);
}
}
}
GLFWAPI unsigned long long glfwDBusUserNotify(const char *app_name, const char* icon, const char *summary, const char *body, const char *action_name, int32_t timeout, int urgency, GLFWDBusnotificationcreatedfun callback, void *data) {
return glfw_dbus_send_user_notification(app_name, icon, summary, body, action_name, timeout, urgency, callback, data);
}
GLFWAPI void glfwDBusSetUserNotificationHandler(GLFWDBusnotificationactivatedfun handler) {
glfw_dbus_set_user_notification_activated_handler(handler);
}
GLFWAPI bool glfwWaylandSetTitlebarColor(GLFWwindow *handle, uint32_t color, bool use_system_color) {
_GLFWwindow* window = (_GLFWwindow*) handle;
if (!window->wl.decorations.serverSide) {
csd_set_titlebar_color(window, color, use_system_color);
return true;
}
return false;
}
GLFWAPI void glfwWaylandRedrawCSDWindowTitle(GLFWwindow *handle) {
_GLFWwindow* window = (_GLFWwindow*) handle;
if (csd_change_title(window)) commit_window_surface_if_safe(window);
}
GLFWAPI void glfwWaylandSetupLayerShellForNextWindow(const GLFWLayerShellConfig *c) {
layer_shell_config_for_next_window = *c;
}
void
_glfwPlatformInputColorScheme(GLFWColorScheme appearance UNUSED) {
_GLFWwindow* window = _glfw.windowListHead;
while (window) {
glfwWaylandRedrawCSDWindowTitle((GLFWwindow*)window);
window = window->next;
}
}
Reference in New Issue View Git Blame Copy Permalink