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#ifdef FF_HAVE_WAYLAND
#include "wayland.h"
#include "common/strutil.h"
#include "xdg-output-unstable-v1-client-protocol.h"
static void waylandOutputModeListener(void* data, FF_A_UNUSED struct wl_output* output, uint32_t flags, int32_t width, int32_t height, int32_t refreshRate) {
WaylandDisplay* display = data;
if (flags & WL_OUTPUT_MODE_CURRENT) {
display->width = width;
display->height = height;
display->refreshRate = refreshRate;
}
if (flags & WL_OUTPUT_MODE_PREFERRED) {
display->preferredWidth = width;
display->preferredHeight = height;
display->preferredRefreshRate = refreshRate;
}
}
static void waylandOutputScaleListener(void* data, FF_A_UNUSED struct wl_output* output, int32_t scale) {
WaylandDisplay* display = data;
display->dpi = 96 * (uint32_t) scale;
}
static void waylandOutputGeometryListener(void* data,
FF_A_UNUSED struct wl_output* output,
FF_A_UNUSED int32_t x,
FF_A_UNUSED int32_t y,
int32_t physical_width,
int32_t physical_height,
FF_A_UNUSED int32_t subpixel,
FF_A_UNUSED const char* make,
FF_A_UNUSED const char* model,
int32_t transform) {
WaylandDisplay* display = data;
display->physicalWidth = physical_width;
display->physicalHeight = physical_height;
display->transform = (enum wl_output_transform) transform;
}
static void handleXdgLogicalSize(void* data, FF_A_UNUSED struct zxdg_output_v1* _, int32_t width, FF_A_UNUSED int32_t height) {
WaylandDisplay* display = data;
// Seems the values are only useful when ractional scale is enabled
if (width < display->width) {
display->dpi = (uint32_t) (display->width * 96 / width);
}
}
// Dirty hack for #477
// The order of these callbacks MUST follow `struct wl_output_listener`
static void* outputListener[] = {
waylandOutputGeometryListener, // geometry
waylandOutputModeListener, // mode
stubListener, // done
waylandOutputScaleListener, // scale
ffWaylandOutputNameListener, // name
ffWaylandOutputDescriptionListener, // description
};
static_assert(
sizeof(outputListener) >= sizeof(struct wl_output_listener),
"sizeof(outputListener) is too small. Please report it to fastfetch github issue");
static struct zxdg_output_v1_listener zxdgOutputListener = {
.logical_position = (void*) stubListener,
.logical_size = handleXdgLogicalSize,
.done = (void*) stubListener,
.name = (void*) ffWaylandOutputNameListener,
.description = (void*) ffWaylandOutputDescriptionListener,
};
const char* ffWaylandHandleGlobalOutput(WaylandData* wldata, struct wl_registry* registry, uint32_t name, uint32_t version) {
const char* api = "wayland-global";
uint32_t bindVersion = min(version, WL_OUTPUT_DESCRIPTION_SINCE_VERSION);
struct wl_proxy* output = wldata->ffwl_proxy_marshal_constructor_versioned((struct wl_proxy*) registry, WL_REGISTRY_BIND, wldata->ffwl_output_interface, bindVersion, name, wldata->ffwl_output_interface->name, bindVersion, NULL);
if (output == NULL) {
return "Failed to create wl_output";
}
WaylandDisplay display = {
.parent = wldata,
.transform = WL_OUTPUT_TRANSFORM_NORMAL,
.type = FF_DISPLAY_TYPE_UNKNOWN,
.name = ffStrbufCreate(),
.description = ffStrbufCreate(),
.edidName = ffStrbufCreate(),
};
if (wldata->ffwl_proxy_add_listener(output, (void (**)(void)) &outputListener, &display) < 0) {
wldata->ffwl_proxy_destroy(output);
return "Failed to add listener to wl_output";
}
if (wldata->ffwl_display_roundtrip(wldata->display) < 0) {
wldata->ffwl_proxy_destroy(output);
return "Failed to roundtrip wl_output";
}
if (wldata->zxdgOutputManager) {
uint32_t bindVersion = min(version, ZXDG_OUTPUT_V1_DESCRIPTION_SINCE_VERSION);
struct wl_proxy* zxdgOutput = wldata->ffwl_proxy_marshal_constructor_versioned(wldata->zxdgOutputManager, ZXDG_OUTPUT_MANAGER_V1_GET_XDG_OUTPUT, &zxdg_output_v1_interface, bindVersion, NULL, output);
if (zxdgOutput) {
wldata->ffwl_proxy_add_listener(zxdgOutput, (void (**)(void)) &zxdgOutputListener, &display);
wldata->ffwl_display_roundtrip(wldata->display);
wldata->ffwl_proxy_destroy(zxdgOutput);
api = "wayland-global-zxdg";
}
}
wldata->ffwl_proxy_destroy(output);
if (display.width <= 0 || display.height <= 0) {
return "Failed to get display information from wl_output";
}
uint32_t rotation = ffWaylandHandleRotation(&display);
FFDisplayResult* item = ffdsAppendDisplay(wldata->result,
(uint32_t) display.width,
(uint32_t) display.height,
display.refreshRate / 1000.0,
display.dpi,
(uint32_t) display.preferredWidth,
(uint32_t) display.preferredHeight,
display.preferredRefreshRate / 1000.0,
rotation,
display.edidName.length
? &display.edidName
// Try ignoring `eDP-1-unknown`, where `unknown` is localized
: display.description.length && !ffStrbufContain(&display.description, &display.name)
? &display.description
: &display.name,
display.type,
false,
display.id,
(uint32_t) display.physicalWidth,
(uint32_t) display.physicalHeight,
api);
if (item) {
if (display.hdrSupported) {
item->hdrStatus = FF_DISPLAY_HDR_STATUS_SUPPORTED;
} else if (display.hdrInfoAvailable) {
item->hdrStatus = FF_DISPLAY_HDR_STATUS_UNSUPPORTED;
} else {
item->hdrStatus = FF_DISPLAY_HDR_STATUS_UNKNOWN;
}
item->manufactureYear = display.myear;
item->manufactureWeek = display.mweek;
item->serial = display.serial;
}
ffStrbufDestroy(&display.description);
ffStrbufDestroy(&display.name);
ffStrbufDestroy(&display.edidName);
return NULL;
}
const char* ffWaylandHandleZxdgOutput(WaylandData* wldata, struct wl_registry* registry, uint32_t name, uint32_t version) {
uint32_t bindVersion = min(version, ZXDG_OUTPUT_MANAGER_V1_GET_XDG_OUTPUT_SINCE_VERSION);
struct wl_proxy* manager = wldata->ffwl_proxy_marshal_constructor_versioned((struct wl_proxy*) registry, WL_REGISTRY_BIND, &zxdg_output_manager_v1_interface, bindVersion, name, zxdg_output_manager_v1_interface.name, bindVersion, NULL);
if (manager == NULL) {
return "Failed to create zxdg_output_manager_v1";
}
wldata->zxdgOutputManager = manager;
return NULL;
}
#endif
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