Implement new window dragging system

This commit is contained in:
2025-01-21 20:14:44 +02:00
parent b91837e783
commit 2944c640ca
23 changed files with 6250 additions and 627 deletions

View File

@@ -10,24 +10,45 @@
#include "Engine/Profiler/ProfilerCPU.h"
#include "Engine/Core/Log.h"
#include "Engine/Core/Collections/Array.h"
#include "Engine/Core/Collections/Dictionary.h"
#include "Engine/Engine/CommandLine.h"
#include "Engine/Platform/WindowsManager.h"
#include "Engine/Platform/Linux/IncludeX11.h"
#include "Engine/Input/Input.h"
#include "Engine/Input/Mouse.h"
#include "Engine/Engine/Time.h"
#include "Engine/Graphics/RenderTask.h"
#include "Engine/Platform/Base/DragDropHelper.h"
#include "Engine/Platform/Unix/UnixFile.h"
#include <SDL3/SDL_video.h>
#include <SDL3/SDL_system.h>
#include <SDL3/SDL_hints.h>
#include <errno.h>
#include <wayland/xdg-toplevel-drag-v1.h>
#include <wayland/xdg-shell.h>
// Wayland
void WaylandRegistryGlobal(void* data, wl_registry *registry, uint32 id, const char* interface, uint32 version);
void WaylandRegistryGlobalRemove(void* data, wl_registry *registry, uint32 id);
Dictionary<wl_surface*, SDLWindow*> SurfaceToWindowMap;
uint32 ImplicitGrabSerial = 0;
wl_display* WaylandDisplay = nullptr;
wl_registry_listener WaylandRegistryListener = { WaylandRegistryGlobal, WaylandRegistryGlobalRemove };
xdg_toplevel_drag_manager_v1* DragManager = nullptr;
wl_seat* WaylandSeat = nullptr;
wl_data_device_manager* WaylandDataDeviceManager = nullptr;
xdg_wm_base* WaylandXdgWmBase = nullptr;
wl_data_device* dataDevice;
bool waylandDraggingActive = false;
// X11
Delegate<void*> LinuxPlatform::xEventReceived;
// Missing Wayland features:
// - Application icon (xdg-toplevel-icon-v1) https://github.com/libsdl-org/SDL/pull/9584
// - Window positioning and position tracking
// - Color picker (xdg-desktop-portal?) https://flatpak.github.io/xdg-desktop-portal/docs/doc-org.freedesktop.portal.Screenshot.html
// -
@@ -73,6 +94,7 @@ class LinuxDropFilesData : public IGuiData
{
public:
Array<String> Files;
SDLWindow* Window;
Type GetType() const override
{
@@ -92,6 +114,8 @@ class LinuxDropTextData : public IGuiData
{
public:
StringView Text;
SDLWindow* Window;
int64* dragOver;
Type GetType() const override
{
@@ -254,10 +278,618 @@ DragDropEffect Window::DoDragDrop(const StringView& data)
return DoDragDropX11(data);
}
DragDropEffect Window::DoDragDropWayland(const StringView& data)
wl_data_source* dataSource;
xdg_toplevel_drag_v1* toplevelDrag = nullptr;
wl_data_offer* WaylandDataOffer = nullptr; // The last accepted offer
uint32 WaylandDataOfferSerial = 0; // The last accepted serial for offer
StringAnsi WaylandDataOfferMimeType;
SDLWindow* DragTargetWindow = nullptr;
Float2 DragTargetPosition;
wl_data_offer* WaylandDataSelectionOffer = nullptr;
void WaylandDataOffer_Offer(void* data, wl_data_offer* offer, const char *mime_type)
{
// TODO: Wayland
LOG(Warning, "Wayland Drag and drop is not implemented yet.");
// We are being offered these types of data
//LOG(Info, "WaylandDataOffer_Offer: {}", String(mime_type));
//if (WaylandDataOffer == nullptr)
// return;
//if (StringAnsi(mime_type) == "x.flaxengine.window.snap")
// WaylandDataOfferMimeType = StringAnsi(mime_type);
// wl_data_offer_accept(WaylandDataOffer, WaylandDataOfferSerial, mime_type);
}
void WaylandDataOffer_SourceActions(void *data,
struct wl_data_offer *wl_data_offer,
uint32_t source_actions)
{
//
//LOG(Info, "WaylandDataOffer_SourceActions: {}", source_actions);
}
void WaylandDataOffer_Action(void *data,
struct wl_data_offer *wl_data_offer,
uint32_t dnd_action)
{
// DnD: This action will be performed if dropped
//LOG(Info, "WaylandDataOffer_Action: {}", dnd_action);
}
wl_data_offer_listener WaylandDataOfferListener = { WaylandDataOffer_Offer, WaylandDataOffer_SourceActions, WaylandDataOffer_Action};
void WaylandDataDevice_DataOffer(void *data, wl_data_device *wl_data_device, wl_data_offer *id)
{
LOG(Info, "WaylandDataDevice_DataOffer: {}", (uint64)id);
/*int ret = wl_data_offer_add_listener(id, &WaylandDataOfferListener, nullptr);
if (ret != 0)
LOG(Error, "wl_data_offer_add_listener failed");*/
}
void WaylandDataDevice_Enter(void *data, wl_data_device *wl_data_device, uint32 serial, wl_surface *surface, wl_fixed_t x, wl_fixed_t y, wl_data_offer *id)
{
// DnD: The cursor entered a target surface
LOG(Info, "WaylandDataDevice_Enter serial: {}, surface: {}, pos: {}x{}, id: {}", serial, (uint64)surface, wl_fixed_to_double(x), wl_fixed_to_double(y), (uint64)id);
WaylandDataOffer = id;
WaylandDataOfferSerial = serial;
DragTargetPosition = Float2(MAX_float, MAX_float);
SDLWindow* sourceWindow = (SDLWindow*)data;
if (!SurfaceToWindowMap.TryGet(surface, DragTargetWindow))
DragTargetWindow = nullptr;
if (DragTargetWindow != nullptr)
DragTargetWindow = DragTargetWindow;
if (/*SurfaceToWindowMap.TryGet(surface, DragTargetWindow) && */DragTargetWindow != sourceWindow)
{
// Inform that we support the following action at this given point
wl_data_offer_set_actions(id, WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE, WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE);
if (WaylandDataOfferMimeType == "x.flaxengine.window.snap")
wl_data_offer_accept(WaylandDataOffer, WaylandDataOfferSerial, "x.flaxengine.window.snap");
}
else
{
wl_data_offer_set_actions(id, WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE, WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE);
}
}
void WaylandDataDevice_Leave(void *data, wl_data_device *wl_data_device)
{
// DnD: The cursor left the surface area
// id from enter must be destroyed here
LOG(Info, "WaylandDataDevice_Leave");
if (WaylandDataOffer != nullptr)
wl_data_offer_destroy(WaylandDataOffer);
WaylandDataOffer = nullptr;
WaylandDataOfferSerial = 0;
WaylandDataOfferMimeType = StringAnsi::Empty;
}
void WaylandDataDevice_Motion(void *data, wl_data_device *wl_data_device, uint32_t time, wl_fixed_t x, wl_fixed_t y)
{
// DnD: The cursor moves along the surface
Float2 dragPosition(wl_fixed_to_double(x), wl_fixed_to_double(y));
LOG(Info, "WaylandDataDevice_Motion {},{}", (int)dragPosition.X, (int)dragPosition.Y);
if (DragTargetWindow != nullptr)
{
Float2 mousePos = dragPosition * DragTargetWindow->GetDpiScale();
mousePos = Float2::Floor(mousePos);
if (DragTargetPosition != mousePos)
{
//LOG(Info, "{}: {}", time, mousePos);
Input::Mouse->OnMouseMove(mousePos, DragTargetWindow);
DragTargetPosition = mousePos;
}
}
//SDLWindow* targetWindow;
//if (SurfaceToWindowMap.TryGet(surface, targetWindow) && targetWindow == surfaceWindow)
}
void WaylandDataDevice_Drop(void *data, wl_data_device *wl_data_device)
{
// DnD: The drop is accepted
LOG(Info, "WaylandDataDevice_Drop");
/*int fds[2];
pipe(fds);
wl_data_offer_receive(offer, "text/plain", fds[1]);
close(fds[1]);
// TODO: do something with fds[0]
close(fds[0]);*/
if (WaylandDataOffer != nullptr)
{
wl_data_offer_finish(WaylandDataOffer);
wl_data_offer_destroy(WaylandDataOffer);
WaylandDataOffer = nullptr;
}
}
void WaylandDataDevice_Selection(void *data, wl_data_device *wl_data_device, wl_data_offer *id)
{
// Clipboard: We can read the clipboard content
/*
int fds[2];
pipe(fds);
wl_data_offer_receive(offer, "text/plain", fds[1]);
close(fds[1]);
wl_display_roundtrip(display);
while (true)
{
char buf[1024];
ssize_t n = read(fds[0], buf, sizeof(buf));
if (n <= 0)
break;
//fwrite(buf, 1, n, stdout);
}
close(fds[0]);
wl_data_offer_destroy(offer);
*/
LOG(Info, "WaylandDataDevice_Selection: {}", (uint64)id);
if (WaylandDataSelectionOffer != nullptr)
wl_data_offer_destroy(WaylandDataSelectionOffer);
WaylandDataSelectionOffer = id;
}
wl_data_device_listener WaylandDataDeviceListener =
{
WaylandDataDevice_DataOffer,
WaylandDataDevice_Enter,
WaylandDataDevice_Leave,
WaylandDataDevice_Motion,
WaylandDataDevice_Drop,
WaylandDataDevice_Selection
};
void WaylandDataSource_Target(void *data,
struct wl_data_source *wl_data_source,
const char *mime_type)
{
// The destination accepts the following types, or null if nothing
//SDLWindow* window = static_cast<SDLWindow*>(data);
LOG(Info, "WaylandDataSource_Target mime: {}", String(mime_type));
}
void WaylandDataSource_Send(void *data,
struct wl_data_source *wl_data_source,
const char *mime_type,
int32_t fd)
{
// Clipboard: The other end has accepted the data?
IGuiData* inputData = static_cast<IGuiData*>(data);
//LOG(Info, "WaylandDataSource_Send mime: {}", String(mime_type));
if (inputData->GetType() == IGuiData::Type::Text)
{
UnixFile file(fd);
StringAnsi text = StringAnsi(inputData->GetAsText());
file.Write(text.Get(), text.Length() * sizeof(StringAnsi::CharType));
file.Close();
//Platform::AtomicStore(((LinuxDropTextData*)inputData)->dragOver, 1);
}
}
void WaylandDataSource_Cancelled(void* data, wl_data_source *source)
{
// Clipboard: other application has replaced the content in clipboard
//SDLWindow* window = static_cast<SDLWindow*>(data);
//LOG(Info, "WaylandDataSource_Cancelled");
IGuiData* inputData = static_cast<IGuiData*>(data);
Platform::AtomicStore(((LinuxDropTextData*)inputData)->dragOver, 1);
wl_data_source_destroy(source);
// The mouse up event was ignored earlier, release the button now
//SDLWindow* window = ((LinuxDropTextData*)inputData)->Window;
//Input::Mouse->OnMouseUp(Platform::GetMousePosition(), MouseButton::Left, window);
/*if (DragTargetWindow != nullptr)
{
Input::Mouse->OnMouseUp(DragTargetPosition, MouseButton::Left, DragTargetWindow);
}
else*/ /*if (window != nullptr)
{
Input::Mouse->OnMouseUp(DragTargetPosition, MouseButton::Left, window);
}*/
}
void WaylandDataSource_DnDDropPerformed(void *data,
struct wl_data_source *wl_data_source)
{
// The destination is being asked to begin DnD, asking confirmation with ASK actionh
//SDLWindow* window = static_cast<SDLWindow*>(data);
LOG(Info, "WaylandDataSource_DnDDropPerformed");
}
void WaylandDataSource_DnDFinished(void *data,
struct wl_data_source *wl_data_source)
{
// The destination has finally accepted the last given dnd_action
//SDLWindow* window = static_cast<SDLWindow*>(data);
//LOG(Info, "WaylandDataSource_DnDFinished");
IGuiData* inputData = static_cast<IGuiData*>(data);
Platform::AtomicStore(((LinuxDropTextData*)inputData)->dragOver, 1);
wl_data_source_destroy(wl_data_source);
// The mouse up event was ignored earlier, release the button now
//SDLWindow* window = ((LinuxDropTextData*)inputData)->Window;
//Input::Mouse->OnMouseUp(Platform::GetMousePosition(), MouseButton::Left, window);
/*if (DragTargetWindow != nullptr)
{
Input::Mouse->OnMouseUp(DragTargetPosition, MouseButton::Left, DragTargetWindow);
}
else*/ /*if (window != nullptr)
{
Input::Mouse->OnMouseUp(DragTargetPosition, MouseButton::Left, window);
}*/
}
void WaylandDataSource_Action(void *data,
struct wl_data_source *wl_data_source,
uint32_t dnd_action)
{
// DnD: The destination may accept the given action if confirmed
//SDLWindow* window = static_cast<SDLWindow*>(data);
LOG(Info, "WaylandDataSource_Action: {}", String(dnd_action == 0 ? "NONE" : dnd_action == 1 ? "COPY" : dnd_action == 2 ? "MOVE" : dnd_action == 4 ? "ASK" : ""));
}
wl_data_source_listener WaylandDataSourceListener =
{
WaylandDataSource_Target,
WaylandDataSource_Send,
WaylandDataSource_Cancelled,
WaylandDataSource_DnDDropPerformed,
WaylandDataSource_DnDFinished,
WaylandDataSource_Action
};
wl_event_queue* WaylandQueue = nullptr;
wl_data_device_manager* wrappedManager = nullptr;
wl_data_source* wrappedDataSource = nullptr;
wl_data_device* wrappedDataDevice = nullptr;
class WaylandDragDropJob : public ThreadPoolTask
{
public:
int64 StartFlag = 0;
int64 ExitFlag = 0;
StringView data;
SDLWindow* window;
SDLWindow* dragSourceWindow;
Float2 dragOffset = Float2::Zero;
int64 dragOver = 0;
int64 waitFlag = 0;
// [ThreadPoolTask]
bool Run() override
{
bool dragWindow = data == String("notawindow");
wl_display* wrappedDisplay = WaylandDisplay;//(wl_display*)wl_proxy_create_wrapper(WaylandDisplay);
//wl_proxy_set_queue((wl_proxy*)wrappedDisplay, queue);
if (WaylandQueue == nullptr)
{
if (wrappedDataDevice != nullptr)
wl_proxy_wrapper_destroy(wrappedDataDevice);
if (wrappedDataSource != nullptr)
wl_proxy_wrapper_destroy(wrappedDataSource);
if (wrappedManager != nullptr)
wl_proxy_wrapper_destroy(wrappedManager);
if (dataDevice != nullptr)
wl_data_device_destroy(dataDevice);
// This seems to throw bogus warnings about wl_data_source still being attached to the queue
if (WaylandQueue != nullptr)
wl_event_queue_destroy(WaylandQueue);
WaylandQueue = wl_display_create_queue(WaylandDisplay);
wrappedManager = (wl_data_device_manager*)wl_proxy_create_wrapper(WaylandDataDeviceManager);
wl_proxy_set_queue((wl_proxy*)wrappedManager, WaylandQueue);
//
//dataDevice = wl_data_device_manager_get_data_device(WaylandDataDeviceManager, WaylandSeat);
//wl_data_device_add_listener(dataDevice, &WaylandDataDeviceListener, nullptr);
//wl_display_roundtrip(WaylandDisplay);
/*auto */dataDevice = wl_data_device_manager_get_data_device(wrappedManager, WaylandSeat);
wl_data_device_add_listener(dataDevice, &WaylandDataDeviceListener, nullptr);
wl_display_roundtrip(wrappedDisplay);
wl_data_device_set_user_data(dataDevice, dragWindow ? dragSourceWindow : window);
wrappedDataDevice = (wl_data_device*)wl_proxy_create_wrapper(dataDevice);
wl_proxy_set_queue((wl_proxy*)wrappedDataDevice, WaylandQueue);
}
// We offer the following types of things for consumption:
dataSource = wl_data_device_manager_create_data_source(wrappedManager);
wrappedDataSource = (wl_data_source*)wl_proxy_create_wrapper(dataSource);
wl_proxy_set_queue((wl_proxy*)wrappedDataSource, WaylandQueue);
if (dragWindow)
{
wl_data_source_offer(dataSource, "flaxengine/window");
wl_data_source_offer(dataSource, "text/plain;charset=utf-8"); // TODO: needs support for custom mime-types in SDL
wl_data_source_set_actions(dataSource, wl_data_device_manager_dnd_action::WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE);
}
else
{
wl_data_source_offer(dataSource, "text/plain");
wl_data_source_offer(dataSource, "text/plain;charset=utf-8");
wl_data_source_set_actions(dataSource, wl_data_device_manager_dnd_action::WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE | wl_data_device_manager_dnd_action::WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY);
}
LinuxDropTextData textData;
textData.Text = *data;
textData.Window = window;
textData.dragOver = &dragOver;
auto _window = window->GetSDLWindow();
auto _mainwindow = dragSourceWindow->GetSDLWindow();
//if (!window->IsVisible())
// _window = mainwindow->GetSDLWindow();
//wl_data_source_set_user_data(wrappedDataSource, &textData);
wl_data_source_add_listener(dataSource, &WaylandDataSourceListener, &textData);
xdg_toplevel* toplevel = nullptr;//(xdg_toplevel*)SDL_GetPointerProperty(SDL_GetWindowProperties(_window), SDL_PROP_WINDOW_WAYLAND_XDG_TOPLEVEL_POINTER, nullptr);
if (toplevel == nullptr)
{
//Platform::AtomicStore(&StartFlag, 1);
/*while (Platform::AtomicRead(&waitFlag) == 0)
{
}*/
//toplevel = (xdg_toplevel*)SDL_GetPointerProperty(SDL_GetWindowProperties(_window), SDL_PROP_WINDOW_WAYLAND_XDG_TOPLEVEL_POINTER, nullptr);
}
xdg_toplevel* wrappedToplevel = nullptr;
{
wl_surface* origin = (wl_surface*)SDL_GetPointerProperty(SDL_GetWindowProperties(_mainwindow), SDL_PROP_WINDOW_WAYLAND_SURFACE_POINTER, nullptr);
wl_surface* icon = nullptr;
uint32 id = ImplicitGrabSerial;
//id = (uint32)SDL_GetNumberProperty(SDL_GetGlobalProperties(), "wayland.serial", 0);
wl_data_device_start_drag((wl_data_device*)SDL_GetPointerProperty(SDL_GetGlobalProperties(), "wayland.data_device", wrappedDataDevice), dataSource, origin, icon, id);
if (dragWindow)
{
if (toplevel != nullptr)
{
wrappedToplevel = (xdg_toplevel*)wl_proxy_create_wrapper(toplevel);
wl_proxy_set_queue((wl_proxy*)wrappedToplevel, WaylandQueue);
toplevelDrag = xdg_toplevel_drag_manager_v1_get_xdg_toplevel_drag(DragManager, dataSource);
Float2 scaledOffset = dragOffset / window->GetDpiScale();
//xdg_toplevel_drag_v1_attach(toplevelDrag, toplevel, (int32)scaledOffset.X, (int32)scaledOffset.Y);
xdg_toplevel_drag_v1_attach(toplevelDrag, wrappedToplevel, (int32)scaledOffset.X, (int32)scaledOffset.Y);
}
}
}
/*wl_display_dispatch_queue(wrappedDisplay, queue);
wl_display_roundtrip_queue(wrappedDisplay, queue);
wl_display_flush(wrappedDisplay);
wl_display_dispatch_queue(wrappedDisplay, queue);
wl_display_dispatch(wrappedDisplay);*/
//wl_display_dispatch_queue_pending(wrappedDisplay, queue);
/*int ret;
while (ret = wl_display_prepare_read_queue(wrappedDisplay, queue), ret != 0)
{
if (ret == -1)
LOG(Info, "err wl_display_prepare_read_queue: {}", errno);
if (wl_display_dispatch_queue_pending(wrappedDisplay, queue) == -1)
LOG(Warning, "err wl_display_dispatch_queue_pending: {}", errno);
//else
// LOG(Info, "OK wl_display_dispatch_queue_pending");
}*/
//if (wl_display_flush(wrappedDisplay) == -1)
// LOG(Warning, "err wl_display_flush: {}", errno);
Platform::AtomicStore(&StartFlag, 1);
while (Platform::AtomicRead(&ExitFlag) == 0)
{
//SDLPlatform::Tick();
//Engine::OnDraw();
//wl_display_dispatch_queue(displayWrapped, queue);
//wl_display_roundtrip_queue(displayWrapped, queue);
//wl_display_flush(displayWrapped);
//wl_display_dispatch_queue(displayWrapped, queue);
//wl_display_dispatch(displayWrapped);
//wl_display_dispatch_queue(wrappedDisplay, queue);
//if (wl_display_flush(wrappedDisplay) == -1)
// LOG(Warning, "err wl_display_flush: {}", errno);
//if (wl_display_dispatch_pending(wrappedDisplay) == -1)
// LOG(Warning, "err wl_display_dispatch_pending: {}", errno);
if (wl_display_dispatch_queue(wrappedDisplay, WaylandQueue) == -1)
LOG(Warning, "err wl_display_dispatch_queue: {}", errno);
if (wl_display_roundtrip_queue(wrappedDisplay, WaylandQueue) == -1)
LOG(Warning, "err wl_display_roundtrip_queue: {}", errno);
if (toplevel == nullptr && dragWindow)
{
if (Platform::AtomicRead(&waitFlag) != 0)
{
toplevel = (xdg_toplevel*)SDL_GetPointerProperty(SDL_GetWindowProperties(_window), SDL_PROP_WINDOW_WAYLAND_XDG_TOPLEVEL_POINTER, nullptr);
if (toplevel != nullptr)
{
wrappedToplevel = (xdg_toplevel*)wl_proxy_create_wrapper(toplevel);
wl_proxy_set_queue((wl_proxy*)wrappedToplevel, WaylandQueue);
toplevelDrag = xdg_toplevel_drag_manager_v1_get_xdg_toplevel_drag(DragManager, dataSource);
Float2 scaledOffset = dragOffset / window->GetDpiScale();
//xdg_toplevel_drag_v1_attach(toplevelDrag, toplevel, (int32)scaledOffset.X, (int32)scaledOffset.Y);
xdg_toplevel_drag_v1_attach(toplevelDrag, wrappedToplevel, (int32)scaledOffset.X, (int32)scaledOffset.Y);
}
}
}
//if (wl_display_dispatch_queue(wrappedDisplay, queue) == -1)
// LOG(Warning, "err wl_display_dispatch_queue: {}", errno);
//else
// LOG(Info, "OK wl_display_dispatch_queue");
//if (wl_display_dispatch_queue_pending(wrappedDisplay, queue) == -1)
// LOG(Warning, "err wl_display_dispatch_queue_pending: {}", errno);
//else
// LOG(Info, "OK wl_display_dispatch_queue_pending");
//wl_display_dispatch_pending(WaylandDisplay
//Platform::Sleep(1);
}
if (wl_display_roundtrip_queue(wrappedDisplay, WaylandQueue) == -1)
LOG(Warning, "err wl_display_roundtrip_queue: {}", errno);
//if (wl_display_dispatch_queue(wrappedDisplay, queue) == -1)
// LOG(Warning, "err wl_display_dispatch_queue: {}", errno);
if (toplevelDrag != nullptr)
{
wl_proxy_wrapper_destroy(wrappedToplevel);
xdg_toplevel_drag_v1_destroy(toplevelDrag);
toplevelDrag = nullptr;
}
/*
wl_proxy_wrapper_destroy(wrappedDataDevice);
wl_proxy_wrapper_destroy(wrappedDataSource);
wl_proxy_wrapper_destroy(wrappedManager);
wl_data_device_destroy(dataDevice);*/
if (wrappedDataSource != nullptr)
wl_proxy_wrapper_destroy(wrappedDataSource);
//if (dataSource != nullptr)
// wl_proxy_wrapper_destroy(dataSource);
if (WaylandDataSelectionOffer != nullptr)
{
wl_data_offer_destroy(WaylandDataSelectionOffer);
WaylandDataSelectionOffer = nullptr;
}
// This seems to throw bogus warnings about wl_data_source still being attached to the queue
/*wl_event_queue_destroy(WaylandQueue);
*/
//dataDevice = nullptr;
return false;
}
};
DragDropEffect Window::DoDragDropWayland(const StringView& data, Window* dragSourceWindow, Float2 dragOffset)
{
// For drag-and-drop, we need to setup the event queue in separate thread to avoid racing issues
// while SDL is dispatching the main Wayland event queue when receiving the data offer from us.
// Show()?
{
if (!_visible)
{
if (_showAfterFirstPaint)
{
if (RenderTask)
RenderTask->Enabled = true;
}
else
SDL_ShowWindow(_window);
}
WindowBase::Show();
}
//while (true)
{
const double time = Platform::GetTimeSeconds();
// Update game logic
if (Time::OnBeginUpdate(time))
{
Engine::OnUpdate();
Engine::OnLateUpdate();
Time::OnEndUpdate();
}
SDLPlatform::Tick();
Engine::OnDraw();
Platform::Sleep(1);
}
waylandDraggingActive = true;
auto task = New<WaylandDragDropJob>();
task->data = data;
task->window = this;
task->dragSourceWindow = dragSourceWindow; // Needs to be the parent window when dragging a tab to window
task->dragOver = 0;
task->dragOffset = dragOffset;
Task::StartNew(task);
while (task->GetState() == TaskState::Queued)
Platform::Sleep(1);
while (Platform::AtomicRead(&task->StartFlag) == 0)
{
Platform::Sleep(1);
}
//Show();
//Focus();
int counter = 100;
while (Platform::AtomicRead(&task->dragOver) == 0)
{
SDLPlatform::Tick();
Engine::OnUpdate();//Scripting::Update(); // For docking updates
Engine::OnDraw();
Platform::Sleep(1);
if (IsVisible() && Platform::AtomicRead(&task->waitFlag) == 0)
{
/*if (counter > 0)
counter--;
else*/
Platform::AtomicStore(&task->waitFlag, 1);
}
}
// The mouse up event was ignored earlier, release the button now
Input::Mouse->OnMouseUp(Platform::GetMousePosition(), MouseButton::Left, this);
Platform::AtomicStore(&task->ExitFlag, 1);
task->Wait();
waylandDraggingActive = false;
return DragDropEffect::None;
}
@@ -846,8 +1478,58 @@ int X11ErrorHandler(X11::Display* display, X11::XErrorEvent* event)
bool SDLPlatform::InitPlatform()
{
if (LinuxPlatform::Init())
return true;
//if (LinuxPlatform::Init())
// return true;
#if false
if (!CommandLine::Options.Headless && strcmp(SDL_GetCurrentVideoDriver(), "wayland") == 0)
{
WaylandDisplay = (wl_display*)SDL_GetPointerProperty(SDL_GetGlobalProperties(), SDL_PROP_GLOBAL_VIDEO_WAYLAND_WL_DISPLAY_POINTER, nullptr);
wl_registry* registry = wl_display_get_registry(WaylandDisplay);
wl_registry_add_listener(registry, &WaylandRegistryListener, nullptr);
wl_display_roundtrip(WaylandDisplay);
dataDevice = wl_data_device_manager_get_data_device(WaylandDataDeviceManager, WaylandSeat);
wl_data_device_add_listener(dataDevice, &WaylandDataDeviceListener, nullptr);
wl_display_roundtrip(WaylandDisplay);
}
#else
bool waylandRequested = (!CommandLine::Options.X11 || CommandLine::Options.Wayland) && StringAnsi(SDL_GetHint(SDL_HINT_VIDEO_DRIVER)) == "wayland";
if (!CommandLine::Options.Headless && waylandRequested)
{
// Ignore in X11 session
String waylandDisplayEnv;
if (!GetEnvironmentVariable(String("WAYLAND_DISPLAY"), waylandDisplayEnv))
{
WaylandDisplay = (wl_display*)SDL_GetPointerProperty(SDL_GetGlobalProperties(), SDL_PROP_GLOBAL_VIDEO_WAYLAND_WL_DISPLAY_POINTER, nullptr);
if (WaylandDisplay == nullptr)
{
WaylandDisplay = wl_display_connect(nullptr);
SDL_SetPointerProperty(SDL_GetGlobalProperties(), SDL_PROP_GLOBAL_VIDEO_WAYLAND_WL_DISPLAY_POINTER, WaylandDisplay);
}
if (WaylandDisplay != nullptr)
{
// We need to manage the wl_display and create the wl_data_device
// before SDL so we can receive drag-and-drop related events from compositor.
//SDL_SetPointerProperty(SDL_GetGlobalProperties(), SDL_PROP_GLOBAL_VIDEO_WAYLAND_WL_DISPLAY_POINTER, WaylandDisplay);
wl_registry* registry = wl_display_get_registry(WaylandDisplay);
wl_registry_add_listener(registry, &WaylandRegistryListener, nullptr);
wl_display_roundtrip(WaylandDisplay);
/*dataDevice = wl_data_device_manager_get_data_device(WaylandDataDeviceManager, WaylandSeat);
wl_data_device_add_listener(dataDevice, &WaylandDataDeviceListener, nullptr);
wl_display_roundtrip(WaylandDisplay);*/
}
}
}
#endif
return false;
}
@@ -913,14 +1595,186 @@ void SDLPlatform::SetHighDpiAwarenessEnabled(bool enable)
base::SetHighDpiAwarenessEnabled(enable);
}
bool SDLPlatform::UsesWindows()
{
return false;
}
bool SDLPlatform::UsesWayland()
{
if (xDisplay == nullptr && WaylandDisplay == nullptr)
{
// In case the X11 display pointer has not been updated yet
return strcmp(SDL_GetCurrentVideoDriver(), "wayland") == 0;
}
return WaylandDisplay != nullptr;
}
bool SDLPlatform::UsesX11()
{
if (xDisplay == nullptr && WaylandDisplay == nullptr)
{
// In case the X11 display pointer has not been updated yet
return strcmp(SDL_GetCurrentVideoDriver(), "x11") == 0;
}
return xDisplay != nullptr;
}
void WaylandPointer_Enter(void *data,
struct wl_pointer *wl_pointer,
uint32_t serial,
struct wl_surface *surface,
wl_fixed_t surface_x,
wl_fixed_t surface_y)
{
/*SDLWindow* window;
if (!SurfaceToWindowMap.TryGet(surface, window))
return;
LastPointerWindow = window;
LastPointerPosition = Int2(surface_x, surface_y);*/
//LOG(Info, "WaylandPointerEnter serial:{}", serial);
//ImplicitGrabSerial = serial;
}
void WaylandPointer_Leave(void *data,
struct wl_pointer *wl_pointer,
uint32_t serial,
struct wl_surface *surface)
{
//LastPointerWindow = nullptr;
//LOG(Info, "WaylandPointerLeave serial:{}", serial);
}
void WaylandPointer_Motion(void *data,
struct wl_pointer *wl_pointer,
uint32_t time,
wl_fixed_t surface_x,
wl_fixed_t surface_y)
{
//LOG(Info, "WaylandPointerMotion time:{}", time);
//LastPointerPosition = Int2(surface_x, surface_y);
}
void WaylandPointer_Button(void* data, wl_pointer* wl_pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t state)
{
LOG(Info, "WaylandPointerButton serial:{}, button:{}, state:{}", serial, button, state);
// HACK: We store the serial for upcoming drag-and-drop action even though we are
// not really performing the action during this specific button press event.
// SDL receives the same event which actually starts the drag process.
if (state == 1)
ImplicitGrabSerial = serial;
}
void WaylandPointer_Axis(void *data,
struct wl_pointer *wl_pointer,
uint32_t time,
uint32_t axis,
wl_fixed_t value)
{
//LOG(Info, "WaylandPointerAxis time:{}", time);
}
void WaylandPointer_Frame(void *data,
struct wl_pointer *wl_pointer)
{
//LOG(Info, "WaylandPointerFrame");
}
void WaylandPointer_AxisSource(void *data,
struct wl_pointer *wl_pointer,
uint32_t axis_source)
{
//LOG(Info, "WaylandPointerAxisSource");
}
void WaylandPointer_AxisStop(void *data,
struct wl_pointer *wl_pointer,
uint32_t time,
uint32_t axis)
{
//LOG(Info, "WaylandPointerAxisStop time:{}", time);
}
void WaylandPointer_AxisDiscrete(void *data,
struct wl_pointer *wl_pointer,
uint32_t axis,
int32_t discrete)
{
//LOG(Info, "WaylandPointerAxisDiscrete");
}
void WaylandPointer_AxisValue120(void *data,
struct wl_pointer *wl_pointer,
uint32_t axis,
int32_t value120)
{
//LOG(Info, "WaylandPointerAxisValue120");
}
void WaylandPointer_AxisRelativeDirection(void *data,
struct wl_pointer *wl_pointer,
uint32_t axis,
uint32_t direction)
{
//LOG(Info, "WaylandPointerAxisRelativeDirection");
}
wl_pointer_listener WaylandPointerListener =
{
WaylandPointer_Enter,
WaylandPointer_Leave,
WaylandPointer_Motion,
WaylandPointer_Button,
WaylandPointer_Axis,
WaylandPointer_Frame,
WaylandPointer_AxisSource,
WaylandPointer_AxisStop,
WaylandPointer_AxisDiscrete,
WaylandPointer_AxisValue120,
WaylandPointer_AxisRelativeDirection
};
wl_pointer* WaylandPointer = nullptr;
void SeatCapabilities(void* data, wl_seat* seat, uint32 capabilities)
{
if ((capabilities & wl_seat_capability::WL_SEAT_CAPABILITY_POINTER) != 0)
{
WaylandPointer = wl_seat_get_pointer(seat);
wl_pointer_add_listener(WaylandPointer, &WaylandPointerListener, nullptr);
}
}
void SeatName(void* data, wl_seat* seat, const char* name)
{
}
wl_seat_listener SeatListener = { SeatCapabilities, SeatName };
void WaylandRegistryGlobal(void* data, wl_registry *registry, uint32 id, const char* interface, uint32 version)
{
StringAnsi interfaceStr(interface);
//LOG(Info, "WaylandRegistryGlobal id: {}, interface: {}", id, String(interface));
if (interfaceStr == "xdg_toplevel_drag_manager_v1")
DragManager = (xdg_toplevel_drag_manager_v1*)wl_registry_bind(registry, id, &xdg_toplevel_drag_manager_v1_interface, Math::Min(1U, version));
else if (interfaceStr == "wl_seat")
{
WaylandSeat = (wl_seat*)wl_registry_bind(registry, id, &wl_seat_interface, Math::Min(9U, version));
wl_seat_add_listener(WaylandSeat, &SeatListener, nullptr);
}
else if (interfaceStr == "wl_data_device_manager")
WaylandDataDeviceManager = (wl_data_device_manager*)wl_registry_bind(registry, id, &wl_data_device_manager_interface, Math::Min(3U, version));
else if (interfaceStr == "xdg_wm_base")
WaylandXdgWmBase = (xdg_wm_base*)wl_registry_bind(registry, id, &xdg_wm_base_interface, Math::Min(6U, version));
}
void WaylandRegistryGlobalRemove(void* data, wl_registry *registry, uint32 id)
{
LOG(Info, "WaylandRegistryGlobalRemove id:{}", id);
}
#endif