primary-selection: move to hyprland impl

This commit is contained in:
Vaxry 2024-05-13 21:47:59 +01:00
parent ffd11f88ac
commit 53e0afae32
10 changed files with 529 additions and 14 deletions

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@ -293,6 +293,7 @@ protocolNew("staging/ext-session-lock/ext-session-lock-v1.xml" "ext-session-lock
protocolNew("stable/tablet/tablet-v2.xml" "tablet-v2" false)
protocolNew("stable/presentation-time/presentation-time.xml" "presentation-time" false)
protocolNew("stable/xdg-shell/xdg-shell.xml" "xdg-shell" false)
protocolNew("unstable/primary-selection/primary-selection-unstable-v1.xml" "primary-selection-unstable-v1" false)
protocolWayland()

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@ -62,6 +62,7 @@ new_protocols = [
[wl_protocol_dir, 'stable/tablet/tablet-v2.xml'],
[wl_protocol_dir, 'stable/presentation-time/presentation-time.xml'],
[wl_protocol_dir, 'stable/xdg-shell/xdg-shell.xml'],
[wl_protocol_dir, 'unstable/primary-selection/primary-selection-unstable-v1.xml'],
]
wl_protos_src = []

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@ -346,6 +346,7 @@ CConfigManager::CConfigManager() {
m_pConfig->addConfigValue("misc:background_color", Hyprlang::INT{0xff111111});
m_pConfig->addConfigValue("misc:new_window_takes_over_fullscreen", Hyprlang::INT{0});
m_pConfig->addConfigValue("misc:initial_workspace_tracking", Hyprlang::INT{1});
m_pConfig->addConfigValue("misc:middle_click_paste", Hyprlang::INT{1});
m_pConfig->addConfigValue("group:insert_after_current", Hyprlang::INT{1});
m_pConfig->addConfigValue("group:focus_removed_window", Hyprlang::INT{1});

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@ -30,6 +30,7 @@
#include "../protocols/PresentationTime.hpp"
#include "../protocols/XDGShell.hpp"
#include "../protocols/DataDeviceWlr.hpp"
#include "../protocols/PrimarySelection.hpp"
#include "../protocols/core/Seat.hpp"
#include "../protocols/core/DataDevice.hpp"
@ -71,6 +72,7 @@ CProtocolManager::CProtocolManager() {
PROTO::presentation = std::make_unique<CPresentationProtocol>(&wp_presentation_interface, 1, "Presentation");
PROTO::xdgShell = std::make_unique<CXDGShellProtocol>(&xdg_wm_base_interface, 6, "XDGShell");
PROTO::dataWlr = std::make_unique<CDataDeviceWLRProtocol>(&zwlr_data_control_manager_v1_interface, 2, "DataDeviceWlr");
PROTO::primarySelection = std::make_unique<CPrimarySelectionProtocol>(&zwp_primary_selection_device_manager_v1_interface, 1, "PrimarySelection");
// Old protocol implementations.
// TODO: rewrite them to use hyprwayland-scanner.

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@ -2,6 +2,7 @@
#include "../protocols/core/Seat.hpp"
#include "../protocols/core/DataDevice.hpp"
#include "../protocols/DataDeviceWlr.hpp"
#include "../protocols/PrimarySelection.hpp"
#include "../Compositor.hpp"
#include "../devices/IKeyboard.hpp"
#include <algorithm>
@ -447,7 +448,30 @@ void CSeatManager::setCurrentSelection(SP<IDataSource> source) {
if (source) {
selection.destroySelection = source->events.destroy.registerListener([this](std::any d) { setCurrentSelection(nullptr); });
PROTO::data->setSelection(source);
PROTO::dataWlr->setSelection(source);
PROTO::dataWlr->setSelection(source, false);
}
}
void CSeatManager::setCurrentPrimarySelection(SP<IDataSource> source) {
if (source == selection.currentPrimarySelection) {
Debug::log(WARN, "[seat] duplicated setCurrentPrimarySelection?");
return;
}
selection.destroyPrimarySelection.reset();
if (selection.currentPrimarySelection)
selection.currentPrimarySelection->cancelled();
if (!source)
PROTO::primarySelection->setSelection(nullptr);
selection.currentPrimarySelection = source;
if (source) {
selection.destroyPrimarySelection = source->events.destroy.registerListener([this](std::any d) { setCurrentPrimarySelection(nullptr); });
PROTO::primarySelection->setSelection(source);
PROTO::dataWlr->setSelection(source, true);
}
}

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@ -109,9 +109,12 @@ class CSeatManager {
struct {
WP<IDataSource> currentSelection;
CHyprSignalListener destroySelection;
WP<IDataSource> currentPrimarySelection;
CHyprSignalListener destroyPrimarySelection;
} selection;
void setCurrentSelection(SP<IDataSource> source);
void setCurrentPrimarySelection(SP<IDataSource> source);
// do not write to directly, use set...
WP<IPointer> mouse;

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@ -145,7 +145,7 @@ CWLRDataDevice::CWLRDataDevice(SP<CZwlrDataControlDeviceV1> resource_) : resourc
source->markUsed();
LOGM(LOG, "wlr manager requests primary selection to {:x}", (uintptr_t)source.get());
g_pSeatManager->setCurrentSelection(source);
g_pSeatManager->setCurrentPrimarySelection(source);
});
}
@ -170,6 +170,10 @@ void CWLRDataDevice::sendSelection(SP<CWLRDataOffer> selection) {
resource->sendSelection(selection->resource.get());
}
void CWLRDataDevice::sendPrimarySelection(SP<CWLRDataOffer> selection) {
resource->sendPrimarySelection(selection->resource.get());
}
CWLRDataControlManagerResource::CWLRDataControlManagerResource(SP<CZwlrDataControlManagerV1> resource_) : resource(resource_) {
if (!good())
return;
@ -259,9 +263,14 @@ void CDataDeviceWLRProtocol::destroyResource(CWLRDataOffer* resource) {
std::erase_if(m_vOffers, [&](const auto& other) { return other.get() == resource; });
}
void CDataDeviceWLRProtocol::sendSelectionToDevice(SP<CWLRDataDevice> dev, SP<IDataSource> sel) {
if (!sel)
void CDataDeviceWLRProtocol::sendSelectionToDevice(SP<CWLRDataDevice> dev, SP<IDataSource> sel, bool primary) {
if (!sel) {
if (primary)
dev->resource->sendPrimarySelectionRaw(nullptr);
else
dev->resource->sendSelectionRaw(nullptr);
return;
}
const auto OFFER = m_vOffers.emplace_back(makeShared<CWLRDataOffer>(makeShared<CZwlrDataControlOfferV1>(dev->resource->client(), dev->resource->version(), 0), sel));
@ -271,34 +280,41 @@ void CDataDeviceWLRProtocol::sendSelectionToDevice(SP<CWLRDataDevice> dev, SP<ID
return;
}
LOGM(LOG, "New offer {:x} for data source {:x}", (uintptr_t)OFFER.get(), (uintptr_t)sel.get());
OFFER->primary = primary;
LOGM(LOG, "New {}offer {:x} for data source {:x}", primary ? "primary " : " ", (uintptr_t)OFFER.get(), (uintptr_t)sel.get());
dev->sendDataOffer(OFFER);
OFFER->sendData();
dev->sendSelection(OFFER);
if (primary)
dev->sendPrimarySelection(OFFER);
else
dev->sendSelection(OFFER);
}
void CDataDeviceWLRProtocol::setSelection(SP<IDataSource> source) {
void CDataDeviceWLRProtocol::setSelection(SP<IDataSource> source, bool primary) {
for (auto& o : m_vOffers) {
if (o->source && o->source->hasDnd())
continue;
if (o->primary != primary)
continue;
o->dead = true;
}
if (!source) {
LOGM(LOG, "resetting selection");
LOGM(LOG, "resetting {}selection", primary ? "primary " : " ");
for (auto& d : m_vDevices) {
sendSelectionToDevice(d, nullptr);
sendSelectionToDevice(d, nullptr, primary);
}
return;
}
LOGM(LOG, "New selection for data source {:x}", (uintptr_t)source.get());
LOGM(LOG, "New {}selection for data source {:x}", primary ? "primary" : "", (uintptr_t)source.get());
for (auto& d : m_vDevices) {
sendSelectionToDevice(d, source);
sendSelectionToDevice(d, source, primary);
}
}

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@ -19,7 +19,8 @@ class CWLRDataOffer {
bool good();
void sendData();
bool dead = false;
bool dead = false;
bool primary = false;
WP<IDataSource> source;
@ -61,6 +62,7 @@ class CWLRDataDevice {
void sendDataOffer(SP<CWLRDataOffer> offer);
void sendSelection(SP<CWLRDataOffer> selection);
void sendPrimarySelection(SP<CWLRDataOffer> selection);
WP<CWLRDataDevice> self;
@ -103,8 +105,8 @@ class CDataDeviceWLRProtocol : public IWaylandProtocol {
std::vector<SP<CWLRDataOffer>> m_vOffers;
//
void setSelection(SP<IDataSource> source);
void sendSelectionToDevice(SP<CWLRDataDevice> dev, SP<IDataSource> sel);
void setSelection(SP<IDataSource> source, bool primary);
void sendSelectionToDevice(SP<CWLRDataDevice> dev, SP<IDataSource> sel, bool primary);
//
SP<CWLRDataDevice> dataDeviceForClient(wl_client*);

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@ -0,0 +1,338 @@
#include "PrimarySelection.hpp"
#include <algorithm>
#include "../managers/SeatManager.hpp"
#include "core/Seat.hpp"
#include "../config/ConfigValue.hpp"
#define LOGM PROTO::primarySelection->protoLog
CPrimarySelectionOffer::CPrimarySelectionOffer(SP<CZwpPrimarySelectionOfferV1> resource_, SP<IDataSource> source_) : source(source_), resource(resource_) {
if (!good())
return;
resource->setDestroy([this](CZwpPrimarySelectionOfferV1* r) { PROTO::primarySelection->destroyResource(this); });
resource->setOnDestroy([this](CZwpPrimarySelectionOfferV1* r) { PROTO::primarySelection->destroyResource(this); });
resource->setReceive([this](CZwpPrimarySelectionOfferV1* r, const char* mime, int32_t fd) {
if (!source) {
LOGM(WARN, "Possible bug: Receive on an offer w/o a source");
close(fd);
return;
}
if (dead) {
LOGM(WARN, "Possible bug: Receive on an offer that's dead");
close(fd);
return;
}
LOGM(LOG, "Offer {:x} asks to send data from source {:x}", (uintptr_t)this, (uintptr_t)source.get());
source->send(mime, fd);
});
}
bool CPrimarySelectionOffer::good() {
return resource->resource();
}
void CPrimarySelectionOffer::sendData() {
if (!source)
return;
for (auto& m : source->mimes()) {
resource->sendOffer(m.c_str());
}
}
CPrimarySelectionSource::CPrimarySelectionSource(SP<CZwpPrimarySelectionSourceV1> resource_, SP<CPrimarySelectionDevice> device_) : device(device_), resource(resource_) {
if (!good())
return;
resource->setData(this);
resource->setDestroy([this](CZwpPrimarySelectionSourceV1* r) {
events.destroy.emit();
PROTO::primarySelection->destroyResource(this);
});
resource->setOnDestroy([this](CZwpPrimarySelectionSourceV1* r) {
events.destroy.emit();
PROTO::primarySelection->destroyResource(this);
});
resource->setOffer([this](CZwpPrimarySelectionSourceV1* r, const char* mime) { mimeTypes.push_back(mime); });
}
CPrimarySelectionSource::~CPrimarySelectionSource() {
events.destroy.emit();
}
SP<CPrimarySelectionSource> CPrimarySelectionSource::fromResource(wl_resource* res) {
auto data = (CPrimarySelectionSource*)(((CZwpPrimarySelectionSourceV1*)wl_resource_get_user_data(res))->data());
return data ? data->self.lock() : nullptr;
}
bool CPrimarySelectionSource::good() {
return resource->resource();
}
std::vector<std::string> CPrimarySelectionSource::mimes() {
return mimeTypes;
}
void CPrimarySelectionSource::send(const std::string& mime, uint32_t fd) {
if (std::find(mimeTypes.begin(), mimeTypes.end(), mime) == mimeTypes.end()) {
LOGM(ERR, "Compositor/App bug: CPrimarySelectionSource::sendAskSend with non-existent mime");
close(fd);
return;
}
resource->sendSend(mime.c_str(), fd);
close(fd);
}
void CPrimarySelectionSource::accepted(const std::string& mime) {
if (std::find(mimeTypes.begin(), mimeTypes.end(), mime) == mimeTypes.end())
LOGM(ERR, "Compositor/App bug: CPrimarySelectionSource::sendAccepted with non-existent mime");
// primary sel has no accepted
}
void CPrimarySelectionSource::cancelled() {
resource->sendCancelled();
}
void CPrimarySelectionSource::error(uint32_t code, const std::string& msg) {
resource->error(code, msg);
}
CPrimarySelectionDevice::CPrimarySelectionDevice(SP<CZwpPrimarySelectionDeviceV1> resource_) : resource(resource_) {
if (!good())
return;
pClient = resource->client();
resource->setDestroy([this](CZwpPrimarySelectionDeviceV1* r) { PROTO::primarySelection->destroyResource(this); });
resource->setOnDestroy([this](CZwpPrimarySelectionDeviceV1* r) { PROTO::primarySelection->destroyResource(this); });
resource->setSetSelection([this](CZwpPrimarySelectionDeviceV1* r, wl_resource* sourceR, uint32_t serial) {
static auto PPRIMARYSEL = CConfigValue<Hyprlang::INT>("misc:middle_click_paste");
if (!*PPRIMARYSEL) {
LOGM(LOG, "Ignoring primary selection: disabled in config");
g_pSeatManager->setCurrentPrimarySelection(nullptr);
return;
}
auto source = sourceR ? CPrimarySelectionSource::fromResource(sourceR) : CSharedPointer<CPrimarySelectionSource>{};
if (!source) {
LOGM(LOG, "wlr reset selection received");
g_pSeatManager->setCurrentPrimarySelection(nullptr);
return;
}
if (source && source->used())
LOGM(WARN, "setSelection on a used resource. By protocol, this is a violation, but firefox et al insist on doing this.");
source->markUsed();
LOGM(LOG, "wlr manager requests selection to {:x}", (uintptr_t)source.get());
g_pSeatManager->setCurrentPrimarySelection(source);
});
}
bool CPrimarySelectionDevice::good() {
return resource->resource();
}
wl_client* CPrimarySelectionDevice::client() {
return pClient;
}
void CPrimarySelectionDevice::sendDataOffer(SP<CPrimarySelectionOffer> offer) {
resource->sendDataOffer(offer->resource.get());
}
void CPrimarySelectionDevice::sendSelection(SP<CPrimarySelectionOffer> selection) {
if (!selection)
resource->sendSelectionRaw(nullptr);
else
resource->sendSelection(selection->resource.get());
}
CPrimarySelectionManager::CPrimarySelectionManager(SP<CZwpPrimarySelectionDeviceManagerV1> resource_) : resource(resource_) {
if (!good())
return;
resource->setOnDestroy([this](CZwpPrimarySelectionDeviceManagerV1* r) { PROTO::primarySelection->destroyResource(this); });
resource->setGetDevice([this](CZwpPrimarySelectionDeviceManagerV1* r, uint32_t id, wl_resource* seat) {
const auto RESOURCE =
PROTO::primarySelection->m_vDevices.emplace_back(makeShared<CPrimarySelectionDevice>(makeShared<CZwpPrimarySelectionDeviceV1>(r->client(), r->version(), id)));
if (!RESOURCE->good()) {
r->noMemory();
PROTO::primarySelection->m_vDevices.pop_back();
return;
}
RESOURCE->self = RESOURCE;
device = RESOURCE;
for (auto& s : sources) {
if (!s)
continue;
s->device = RESOURCE;
}
LOGM(LOG, "New primary selection data device bound at {:x}", (uintptr_t)RESOURCE.get());
});
resource->setCreateSource([this](CZwpPrimarySelectionDeviceManagerV1* r, uint32_t id) {
std::erase_if(sources, [](const auto& e) { return e.expired(); });
const auto RESOURCE = PROTO::primarySelection->m_vSources.emplace_back(
makeShared<CPrimarySelectionSource>(makeShared<CZwpPrimarySelectionSourceV1>(r->client(), r->version(), id), device.lock()));
if (!RESOURCE->good()) {
r->noMemory();
PROTO::primarySelection->m_vSources.pop_back();
return;
}
if (!device)
LOGM(WARN, "New data source before a device was created");
RESOURCE->self = RESOURCE;
sources.push_back(RESOURCE);
LOGM(LOG, "New primary selection data source bound at {:x}", (uintptr_t)RESOURCE.get());
});
}
bool CPrimarySelectionManager::good() {
return resource->resource();
}
CPrimarySelectionProtocol::CPrimarySelectionProtocol(const wl_interface* iface, const int& ver, const std::string& name) : IWaylandProtocol(iface, ver, name) {
;
}
void CPrimarySelectionProtocol::bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id) {
const auto RESOURCE = m_vManagers.emplace_back(makeShared<CPrimarySelectionManager>(makeShared<CZwpPrimarySelectionDeviceManagerV1>(client, ver, id)));
if (!RESOURCE->good()) {
wl_client_post_no_memory(client);
m_vManagers.pop_back();
return;
}
LOGM(LOG, "New primary_seletion_manager at {:x}", (uintptr_t)RESOURCE.get());
// we need to do it here because protocols come before seatMgr
if (!listeners.onPointerFocusChange)
listeners.onPointerFocusChange = g_pSeatManager->events.pointerFocusChange.registerListener([this](std::any d) { this->onPointerFocus(); });
}
void CPrimarySelectionProtocol::destroyResource(CPrimarySelectionManager* resource) {
std::erase_if(m_vManagers, [&](const auto& other) { return other.get() == resource; });
}
void CPrimarySelectionProtocol::destroyResource(CPrimarySelectionSource* resource) {
std::erase_if(m_vSources, [&](const auto& other) { return other.get() == resource; });
}
void CPrimarySelectionProtocol::destroyResource(CPrimarySelectionDevice* resource) {
std::erase_if(m_vDevices, [&](const auto& other) { return other.get() == resource; });
}
void CPrimarySelectionProtocol::destroyResource(CPrimarySelectionOffer* resource) {
std::erase_if(m_vOffers, [&](const auto& other) { return other.get() == resource; });
}
void CPrimarySelectionProtocol::sendSelectionToDevice(SP<CPrimarySelectionDevice> dev, SP<IDataSource> sel) {
if (!sel) {
dev->sendSelection(nullptr);
return;
}
const auto OFFER =
m_vOffers.emplace_back(makeShared<CPrimarySelectionOffer>(makeShared<CZwpPrimarySelectionOfferV1>(dev->resource->client(), dev->resource->version(), 0), sel));
if (!OFFER->good()) {
dev->resource->noMemory();
m_vOffers.pop_back();
return;
}
LOGM(LOG, "New offer {:x} for data source {:x}", (uintptr_t)OFFER.get(), (uintptr_t)sel.get());
dev->sendDataOffer(OFFER);
OFFER->sendData();
dev->sendSelection(OFFER);
}
void CPrimarySelectionProtocol::setSelection(SP<IDataSource> source) {
for (auto& o : m_vOffers) {
if (o->source && o->source->hasDnd())
continue;
o->dead = true;
}
if (!source) {
LOGM(LOG, "resetting selection");
if (!g_pSeatManager->state.pointerFocusResource)
return;
auto DESTDEVICE = dataDeviceForClient(g_pSeatManager->state.pointerFocusResource->client());
if (DESTDEVICE)
sendSelectionToDevice(DESTDEVICE, nullptr);
return;
}
LOGM(LOG, "New selection for data source {:x}", (uintptr_t)source.get());
if (!g_pSeatManager->state.pointerFocusResource)
return;
auto DESTDEVICE = dataDeviceForClient(g_pSeatManager->state.pointerFocusResource->client());
if (!DESTDEVICE) {
LOGM(LOG, "CWLDataDeviceProtocol::setSelection: cannot send selection to a client without a data_device");
return;
}
sendSelectionToDevice(DESTDEVICE, source);
}
void CPrimarySelectionProtocol::updateSelection() {
if (!g_pSeatManager->state.pointerFocusResource)
return;
auto DESTDEVICE = dataDeviceForClient(g_pSeatManager->state.pointerFocusResource->client());
if (!DESTDEVICE) {
LOGM(LOG, "CPrimarySelectionProtocol::updateSelection: cannot send selection to a client without a data_device");
return;
}
sendSelectionToDevice(DESTDEVICE, g_pSeatManager->selection.currentPrimarySelection.lock());
}
void CPrimarySelectionProtocol::onPointerFocus() {
for (auto& o : m_vOffers) {
o->dead = true;
}
updateSelection();
}
SP<CPrimarySelectionDevice> CPrimarySelectionProtocol::dataDeviceForClient(wl_client* c) {
auto it = std::find_if(m_vDevices.begin(), m_vDevices.end(), [c](const auto& e) { return e->client() == c; });
if (it == m_vDevices.end())
return nullptr;
return *it;
}

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@ -0,0 +1,127 @@
#pragma once
#include <memory>
#include <vector>
#include <cstdint>
#include "WaylandProtocol.hpp"
#include "primary-selection-unstable-v1.hpp"
#include "types/DataDevice.hpp"
class CPrimarySelectionOffer;
class CPrimarySelectionSource;
class CPrimarySelectionDevice;
class CPrimarySelectionManager;
class CPrimarySelectionOffer {
public:
CPrimarySelectionOffer(SP<CZwpPrimarySelectionOfferV1> resource_, SP<IDataSource> source_);
bool good();
void sendData();
bool dead = false;
WP<IDataSource> source;
private:
SP<CZwpPrimarySelectionOfferV1> resource;
friend class CPrimarySelectionDevice;
};
class CPrimarySelectionSource : public IDataSource {
public:
CPrimarySelectionSource(SP<CZwpPrimarySelectionSourceV1> resource_, SP<CPrimarySelectionDevice> device_);
~CPrimarySelectionSource();
static SP<CPrimarySelectionSource> fromResource(wl_resource*);
bool good();
virtual std::vector<std::string> mimes();
virtual void send(const std::string& mime, uint32_t fd);
virtual void accepted(const std::string& mime);
virtual void cancelled();
virtual void error(uint32_t code, const std::string& msg);
std::vector<std::string> mimeTypes;
WP<CPrimarySelectionSource> self;
WP<CPrimarySelectionDevice> device;
private:
SP<CZwpPrimarySelectionSourceV1> resource;
};
class CPrimarySelectionDevice {
public:
CPrimarySelectionDevice(SP<CZwpPrimarySelectionDeviceV1> resource_);
bool good();
wl_client* client();
void sendDataOffer(SP<CPrimarySelectionOffer> offer);
void sendSelection(SP<CPrimarySelectionOffer> selection);
WP<CPrimarySelectionDevice> self;
private:
SP<CZwpPrimarySelectionDeviceV1> resource;
wl_client* pClient = nullptr;
friend class CPrimarySelectionProtocol;
};
class CPrimarySelectionManager {
public:
CPrimarySelectionManager(SP<CZwpPrimarySelectionDeviceManagerV1> resource_);
bool good();
WP<CPrimarySelectionDevice> device;
std::vector<WP<CPrimarySelectionSource>> sources;
private:
SP<CZwpPrimarySelectionDeviceManagerV1> resource;
};
class CPrimarySelectionProtocol : public IWaylandProtocol {
public:
CPrimarySelectionProtocol(const wl_interface* iface, const int& ver, const std::string& name);
virtual void bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id);
private:
void destroyResource(CPrimarySelectionManager* resource);
void destroyResource(CPrimarySelectionDevice* resource);
void destroyResource(CPrimarySelectionSource* resource);
void destroyResource(CPrimarySelectionOffer* resource);
//
std::vector<SP<CPrimarySelectionManager>> m_vManagers;
std::vector<SP<CPrimarySelectionDevice>> m_vDevices;
std::vector<SP<CPrimarySelectionSource>> m_vSources;
std::vector<SP<CPrimarySelectionOffer>> m_vOffers;
//
void setSelection(SP<IDataSource> source);
void sendSelectionToDevice(SP<CPrimarySelectionDevice> dev, SP<IDataSource> sel);
void updateSelection();
void onPointerFocus();
//
SP<CPrimarySelectionDevice> dataDeviceForClient(wl_client*);
friend class CPrimarySelectionManager;
friend class CPrimarySelectionDevice;
friend class CPrimarySelectionSource;
friend class CPrimarySelectionOffer;
friend class CSeatManager;
struct {
CHyprSignalListener onPointerFocusChange;
} listeners;
};
namespace PROTO {
inline UP<CPrimarySelectionProtocol> primarySelection;
};