1602 lines
58 KiB
C++
1602 lines
58 KiB
C++
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
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#if PLATFORM_SDL && PLATFORM_LINUX
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#include "Engine/Platform/Platform.h"
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#include "SDLWindow.h"
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#include "Engine/Platform/IGuiData.h"
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#include "Engine/Engine/Engine.h"
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#include "Engine/Platform/SDL/SDLClipboard.h"
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#include "Engine/Profiler/ProfilerCPU.h"
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#include "Engine/Core/Log.h"
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#include "Engine/Core/Collections/Array.h"
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#include "Engine/Core/Collections/Dictionary.h"
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#include "Engine/Engine/CommandLine.h"
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#include "Engine/Platform/WindowsManager.h"
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#include "Engine/Platform/Linux/IncludeX11.h"
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#include "Engine/Input/Input.h"
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#include "Engine/Input/Mouse.h"
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#include "Engine/Engine/Time.h"
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#include "Engine/Graphics/RenderTask.h"
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#include "Engine/Platform/Base/DragDropHelper.h"
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#include "Engine/Platform/Unix/UnixFile.h"
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#include "Engine/Platform/MessageBox.h"
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#include <SDL3/SDL_messagebox.h>
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#include <SDL3/SDL_video.h>
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#include <SDL3/SDL_system.h>
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#include <SDL3/SDL_hints.h>
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#include <SDL3/SDL_events.h>
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#include <SDL3/SDL_mouse.h>
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#include <SDL3/SDL_timer.h>
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#include <errno.h>
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#include <wayland/xdg-toplevel-drag-v1.h>
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#include <wayland/xdg-shell.h>
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// Missing Wayland features:
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// - Application icon (xdg-toplevel-icon-v1) https://github.com/libsdl-org/SDL/pull/9584
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// - Color picker (xdg-desktop-portal?) https://flatpak.github.io/xdg-desktop-portal/docs/doc-org.freedesktop.portal.Screenshot.html
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// -
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class LinuxDropFilesData : public IGuiData
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{
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public:
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Array<String> Files;
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SDLWindow* Window;
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Type GetType() const override
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{
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return Type::Files;
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}
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String GetAsText() const override
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{
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return String::Empty;
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}
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void GetAsFiles(Array<String>* files) const override
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{
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files->Add(Files);
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}
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};
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class LinuxDropTextData : public IGuiData
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{
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public:
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StringView Text;
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Type GetType() const override
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{
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return Type::Text;
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}
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String GetAsText() const override
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{
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return String(Text);
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}
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void GetAsFiles(Array<String>* files) const override
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{
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}
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};
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namespace WaylandImpl
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{
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wl_display* WaylandDisplay = nullptr;
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uint32 GrabSerial = 0;
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wl_pointer_listener PointerListener =
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{
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[](void* data, wl_pointer* wl_pointer, uint32_t serial, wl_surface* surface, wl_fixed_t surface_x, wl_fixed_t surface_y) { }, // Enter event
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[](void* data, wl_pointer* wl_pointer, uint32_t serial, wl_surface* surface) { }, // Leave event
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[](void* data, wl_pointer* wl_pointer, uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) { }, // Motion event
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[](void* data, wl_pointer* wl_pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t state) // Button event
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{
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// Store the serial for upcoming drag-and-drop action
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if (state == 1)
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GrabSerial = serial;
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},
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[](void* data, wl_pointer* wl_pointer, uint32_t time, uint32_t axis, wl_fixed_t value) { }, // Axis event
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[](void* data, wl_pointer* wl_pointer) { }, // Frame event
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[](void* data, wl_pointer* wl_pointer, uint32_t axis_source) { }, // Axis source event
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[](void* data, wl_pointer* wl_pointer, uint32_t time, uint32_t axis) { }, // Axis stop event
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[](void* data, wl_pointer* wl_pointer, uint32_t axis, int32_t discrete) { }, // axis discrete
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[](void* data, wl_pointer* wl_pointer, uint32_t axis, int32_t value120) { }, // Scroll wheel event
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[](void* data, wl_pointer* wl_pointer, uint32_t axis, uint32_t direction) { }, // Relative direction event
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};
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wl_pointer* WaylandPointer = nullptr;
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wl_seat_listener SeatListener =
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{
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[](void* data, wl_seat* seat, uint32 capabilities) // Seat capabilities changed event
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{
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if ((capabilities & wl_seat_capability::WL_SEAT_CAPABILITY_POINTER) != 0)
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{
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WaylandPointer = wl_seat_get_pointer(seat);
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wl_pointer_add_listener(WaylandPointer, &PointerListener, nullptr);
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}
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},
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[](void* data, wl_seat* seat, const char* name) { } // Seat name event
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};
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xdg_toplevel_drag_manager_v1* DragManager = nullptr;
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wl_seat* Seat = nullptr;
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wl_data_device_manager* DataDeviceManager = nullptr;
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wl_registry_listener RegistryListener =
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{
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[](void* data, wl_registry* registry, uint32 id, const char* interface, uint32 version) // Announce global object event
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{
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StringAnsi interfaceStr(interface);
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if (interfaceStr == "xdg_toplevel_drag_manager_v1")
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DragManager = static_cast<xdg_toplevel_drag_manager_v1*>(wl_registry_bind(registry, id, &xdg_toplevel_drag_manager_v1_interface, Math::Min(1U, version)));
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else if (interfaceStr == "wl_seat")
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{
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Seat = static_cast<wl_seat*>(wl_registry_bind(registry, id, &wl_seat_interface, Math::Min(9U, version)));
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wl_seat_add_listener(Seat, &SeatListener, nullptr);
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}
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else if (interfaceStr == "wl_data_device_manager")
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DataDeviceManager = static_cast<wl_data_device_manager*>(wl_registry_bind(registry, id, &wl_data_device_manager_interface, Math::Min(3U, version)));
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},
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[] (void* data, wl_registry* registry, uint32 id) { }, // Announce global remove event
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};
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wl_data_offer* DataOffer = nullptr; // The last accepted offer
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wl_data_offer* SelectionOffer = nullptr;
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wl_data_device_listener DataDeviceListener =
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{
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[](void* data, wl_data_device* data_device, wl_data_offer* id) { }, // Data offer event
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[](void* data, wl_data_device* data_device, uint32 serial, wl_surface* surface, wl_fixed_t x, wl_fixed_t y, wl_data_offer* id) // Enter event
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{
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DataOffer = id;
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SDLWindow* sourceWindow = (SDLWindow*)data;
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if (sourceWindow != nullptr)
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{
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// Let them know that we support the following action at this given point
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wl_data_offer_set_actions(id, WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE, WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE);
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}
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else
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{
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wl_data_offer_set_actions(id, WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE, WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE);
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}
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},
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[](void* data, wl_data_device* data_device) // Leave event
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{
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// The cursor left the surface area
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if (DataOffer != nullptr)
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wl_data_offer_destroy(DataOffer);
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DataOffer = nullptr;
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},
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[](void* data, wl_data_device* data_device, uint32_t time, wl_fixed_t x, wl_fixed_t y) { }, // Motion event
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[](void* data, wl_data_device* data_device) // Drop event
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{
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// The drop is accepted
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if (DataOffer != nullptr)
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{
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wl_data_offer_finish(DataOffer);
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wl_data_offer_destroy(DataOffer);
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DataOffer = nullptr;
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}
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},
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[](void* data, wl_data_device* data_device, wl_data_offer* id) // Selection event
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{
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// Clipboard: We can read the clipboard content
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if (SelectionOffer != nullptr)
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wl_data_offer_destroy(SelectionOffer);
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SelectionOffer = id;
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},
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};
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int64 DragOverFlag = 0;
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wl_data_source_listener DataSourceListener =
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{
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[](void* data, wl_data_source* source, const char* mime_type) { }, // Target event
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[](void* data, wl_data_source* source, const char* mime_type, int32_t fd) // Send event
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{
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// Clipboard: The other end has accepted and is requesting the data
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IGuiData* inputData = static_cast<IGuiData*>(data);
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if (inputData->GetType() == IGuiData::Type::Text)
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{
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UnixFile file(fd);
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StringAnsi text = StringAnsi(inputData->GetAsText());
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file.Write(text.Get(), text.Length() * sizeof(StringAnsi::CharType));
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file.Close();
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}
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},
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[](void* data, wl_data_source* source) // Cancelled event
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{
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// Clipboard: other application has replaced the content in clipboard
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IGuiData* inputData = static_cast<IGuiData*>(data);
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Platform::AtomicStore(&WaylandImpl::DragOverFlag, 1);
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wl_data_source_destroy(source);
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},
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[](void* data, wl_data_source* source) { }, // DnD drop performed event
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[](void* data, wl_data_source* source) // DnD Finished event
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{
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// The destination has finally accepted the last given dnd_action
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IGuiData* inputData = static_cast<IGuiData*>(data);
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Platform::AtomicStore(&WaylandImpl::DragOverFlag, 1);
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wl_data_source_destroy(source);
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},
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[](void* data, wl_data_source* source, uint32_t dnd_action) { }, // Action event
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};
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wl_data_device* DataDevice = nullptr;
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wl_event_queue* EventQueue = nullptr;
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wl_data_device_manager* WrappedDataDeviceManager = nullptr;
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wl_data_device* WrappedDataDevice = nullptr;
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bool DraggingActive = false;
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bool DraggingWindow = false;
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StringView DraggingData = nullptr;
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class DragDropJob : public ThreadPoolTask
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{
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public:
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int64 StartFlag = 0;
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int64 WaitFlag = 0;
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int64 ExitFlag = 0;
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SDLWindow* Window = nullptr;
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SDLWindow* DragSourceWindow = nullptr;
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Float2 DragOffset = Float2::Zero;
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// [ThreadPoolTask]
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bool Run() override
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{
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bool dragWindow = DraggingWindow;
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uint32 grabSerial = GrabSerial;
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if (EventQueue == nullptr)
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{
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if (WrappedDataDevice != nullptr)
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wl_proxy_wrapper_destroy(WrappedDataDevice);
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if (WrappedDataDeviceManager != nullptr)
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wl_proxy_wrapper_destroy(WrappedDataDeviceManager);
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if (DataDevice != nullptr)
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wl_data_device_destroy(DataDevice);
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// This seems to throw bogus warnings about wl_data_source still being attached to the queue
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if (EventQueue != nullptr)
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wl_event_queue_destroy(EventQueue);
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EventQueue = wl_display_create_queue(WaylandDisplay);
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WrappedDataDeviceManager = static_cast<wl_data_device_manager*>(wl_proxy_create_wrapper(DataDeviceManager));
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wl_proxy_set_queue(reinterpret_cast<wl_proxy*>(WrappedDataDeviceManager), EventQueue);
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DataDevice = wl_data_device_manager_get_data_device(WrappedDataDeviceManager, Seat);
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wl_data_device_add_listener(DataDevice, &DataDeviceListener, nullptr);
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wl_display_roundtrip(WaylandDisplay);
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wl_data_device_set_user_data(DataDevice, dragWindow ? DragSourceWindow : Window);
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WrappedDataDevice = static_cast<wl_data_device*>(wl_proxy_create_wrapper(DataDevice));
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wl_proxy_set_queue(reinterpret_cast<wl_proxy*>(WrappedDataDevice), EventQueue);
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}
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// Offer data for consumption, the data source is destroyed elsewhere
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wl_data_source* dataSource = wl_data_device_manager_create_data_source(WrappedDataDeviceManager);
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wl_data_source* wrappedDataSource = (wl_data_source*)wl_proxy_create_wrapper(dataSource);
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wl_proxy_set_queue(reinterpret_cast<wl_proxy*>(wrappedDataSource), EventQueue);
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if (dragWindow)
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{
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wl_data_source_offer(dataSource, "flaxengine/window");
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wl_data_source_offer(dataSource, "text/plain;charset=utf-8"); // TODO: needs support for custom mime-types in SDL
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wl_data_source_set_actions(dataSource, WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE);
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}
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else
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{
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wl_data_source_offer(dataSource, "text/plain");
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wl_data_source_offer(dataSource, "text/plain;charset=utf-8");
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wl_data_source_set_actions(dataSource, WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE | WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY);
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}
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LinuxDropTextData textData;
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textData.Text = *DraggingData;
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wl_data_source_add_listener(dataSource, &DataSourceListener, &textData);
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// Begin dragging operation
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auto draggedWindow = Window->GetSDLWindow();
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auto dragStartWindow = DragSourceWindow != nullptr ? DragSourceWindow->GetSDLWindow() : draggedWindow;
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wl_surface* originSurface = static_cast<wl_surface*>(SDL_GetPointerProperty(SDL_GetWindowProperties(dragStartWindow), SDL_PROP_WINDOW_WAYLAND_SURFACE_POINTER, nullptr));
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wl_surface* iconSurface = nullptr;
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wl_data_device_start_drag(WrappedDataDevice, dataSource, originSurface, iconSurface, grabSerial);
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Platform::AtomicStore(&StartFlag, 1);
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xdg_toplevel_drag_v1* toplevelDrag = nullptr;
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xdg_toplevel* wrappedToplevel = nullptr;
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while (Platform::AtomicRead(&ExitFlag) == 0)
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{
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// Start dispatching events to keep data offers alive
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if (wl_display_dispatch_queue(WaylandDisplay, EventQueue) == -1)
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LOG(Warning, "wl_display_dispatch_queue failed, errno: {}", errno);
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if (wl_display_roundtrip_queue(WaylandDisplay, EventQueue) == -1)
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LOG(Warning, "wl_display_roundtrip_queue failed, errno: {}", errno);
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// Wait until window has showed up
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if (wrappedToplevel == nullptr && dragWindow && Platform::AtomicRead(&WaitFlag) != 0)
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{
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auto toplevel = static_cast<xdg_toplevel*>(SDL_GetPointerProperty(SDL_GetWindowProperties(draggedWindow), SDL_PROP_WINDOW_WAYLAND_XDG_TOPLEVEL_POINTER, nullptr));
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if (toplevel != nullptr)
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{
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// Attach the window to the ongoing drag operation
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wrappedToplevel = static_cast<xdg_toplevel*>(wl_proxy_create_wrapper(toplevel));
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wl_proxy_set_queue(reinterpret_cast<wl_proxy*>(wrappedToplevel), EventQueue);
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toplevelDrag = xdg_toplevel_drag_manager_v1_get_xdg_toplevel_drag(DragManager, dataSource);
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Float2 scaledOffset = DragOffset / Window->GetDpiScale();
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xdg_toplevel_drag_v1_attach(toplevelDrag, wrappedToplevel, static_cast<int32>(scaledOffset.X), static_cast<int32>(scaledOffset.Y));
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}
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}
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}
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if (wl_display_roundtrip_queue(WaylandDisplay, EventQueue) == -1)
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LOG(Warning, "wl_display_roundtrip_queue failed, errno: {}", errno);
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if (toplevelDrag != nullptr)
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{
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wl_proxy_wrapper_destroy(wrappedToplevel);
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xdg_toplevel_drag_v1_destroy(toplevelDrag);
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toplevelDrag = nullptr;
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}
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if (wrappedDataSource != nullptr)
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wl_proxy_wrapper_destroy(wrappedDataSource);
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if (SelectionOffer != nullptr)
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{
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wl_data_offer_destroy(SelectionOffer);
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SelectionOffer = nullptr;
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}
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// We can't release the queue immediately due to some resources being still used for a while
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/*if (WaylandQueue != nullptr)
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{
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wl_event_queue_destroy(WaylandQueue);
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WaylandQueue = nullptr;
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}*/
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return false;
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}
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};
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}
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// X11
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Delegate<void*> LinuxPlatform::xEventReceived;
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namespace X11Impl
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{
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Window* DraggedWindow = nullptr;
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struct Property
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{
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unsigned char* data;
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int format, nitems;
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X11::Atom type;
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};
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X11::Display* xDisplay = nullptr;
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X11::XIM IM = nullptr;
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X11::XIC IC = nullptr;
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X11::Atom xAtomDeleteWindow;
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X11::Atom xAtomXdndEnter;
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X11::Atom xAtomXdndPosition;
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X11::Atom xAtomXdndLeave;
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X11::Atom xAtomXdndDrop;
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X11::Atom xAtomXdndActionCopy;
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X11::Atom xAtomXdndStatus;
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X11::Atom xAtomXdndSelection;
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X11::Atom xAtomXdndFinished;
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X11::Atom xAtomXdndAware;
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X11::Atom xAtomWmState;
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X11::Atom xAtomWmStateHidden;
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X11::Atom xAtomWmStateMaxVert;
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X11::Atom xAtomWmStateMaxHorz;
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X11::Atom xAtomWmWindowOpacity;
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X11::Atom xAtomWmName;
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X11::Atom xAtomAtom;
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X11::Atom xAtomClipboard;
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X11::Atom xAtomPrimary;
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X11::Atom xAtomTargets;
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X11::Atom xAtomText;
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X11::Atom xAtomString;
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X11::Atom xAtomUTF8String;
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X11::Atom xAtomXselData;
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X11::Atom xDnDRequested = 0;
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X11::Window xDndSourceWindow = 0;
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DragDropEffect xDndResult;
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Float2 xDndPos;
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int32 xDnDVersion = 0;
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int32 XFixesSelectionNotifyEvent = 0;
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StringAnsi ClipboardText;
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void ClipboardGetText(String& result, X11::Atom source, X11::Atom atom, X11::Window window)
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{
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X11::Window selectionOwner = X11::XGetSelectionOwner(xDisplay, source);
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if (selectionOwner == 0)
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{
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// No copy owner
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return;
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}
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if (selectionOwner == window)
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{
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// Copy/paste from self
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result.Set(ClipboardText.Get(), ClipboardText.Length());
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return;
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}
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// Send event to get data from the owner
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int format;
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unsigned long N, size;
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char* data;
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X11::Atom target;
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X11::XEvent event;
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X11::XConvertSelection(xDisplay, xAtomClipboard, atom, xAtomXselData, window, CurrentTime);
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X11::XSync(xDisplay, 0);
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if (X11::XCheckTypedEvent(xDisplay, SelectionNotify, &event))
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{
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if (event.xselection.selection != xAtomClipboard)
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return;
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if (event.xselection.property)
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{
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X11::XGetWindowProperty(event.xselection.display, event.xselection.requestor, event.xselection.property, 0L,(~0L), 0, AnyPropertyType, &target, &format, &size, &N,(unsigned char**)&data);
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|
if (target == xAtomUTF8String || target == xAtomString)
|
|
{
|
|
// Got text to paste
|
|
result.Set(data , size);
|
|
X11::XFree(data);
|
|
}
|
|
X11::XDeleteProperty(event.xselection.display, event.xselection.requestor, event.xselection.property);
|
|
}
|
|
}
|
|
}
|
|
|
|
Property ReadProperty(X11::Display* display, X11::Window window, X11::Atom property)
|
|
{
|
|
X11::Atom readType = 0;
|
|
int readFormat = 0;
|
|
unsigned long nitems = 0;
|
|
unsigned long readBytes = 0;
|
|
unsigned char* result = nullptr;
|
|
int bytesCount = 1024;
|
|
if (property != 0)
|
|
{
|
|
do
|
|
{
|
|
if (result != nullptr)
|
|
X11::XFree(result);
|
|
XGetWindowProperty(display, window, property, 0, bytesCount, 0, AnyPropertyType, &readType, &readFormat, &nitems, &readBytes, &result);
|
|
bytesCount *= 2;
|
|
} while (readBytes != 0);
|
|
}
|
|
Property p = { result, readFormat, (int)nitems, readType };
|
|
return p;
|
|
}
|
|
|
|
static X11::Atom SelectTargetFromList(X11::Display* display, const char* targetType, X11::Atom* list, int count)
|
|
{
|
|
for (int i = 0; i < count; i++)
|
|
{
|
|
X11::Atom atom = list[i];
|
|
if (atom != 0 && StringAnsi(XGetAtomName(display, atom)) == targetType)
|
|
return atom;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static X11::Atom SelectTargetFromAtoms(X11::Display* display, const char* targetType, X11::Atom t1, X11::Atom t2, X11::Atom t3)
|
|
{
|
|
if (t1 != 0 && StringAnsi(XGetAtomName(display, t1)) == targetType)
|
|
return t1;
|
|
if (t2 != 0 && StringAnsi(XGetAtomName(display, t2)) == targetType)
|
|
return t2;
|
|
if (t3 != 0 && StringAnsi(XGetAtomName(display, t3)) == targetType)
|
|
return t3;
|
|
return 0;
|
|
}
|
|
|
|
static X11::Window FindAppWindow(X11::Display* display, X11::Window w)
|
|
{
|
|
int nprops, i = 0;
|
|
X11::Atom* a;
|
|
if (w == 0)
|
|
return 0;
|
|
a = X11::XListProperties(display, w, &nprops);
|
|
for (i = 0; i < nprops; i++)
|
|
{
|
|
if (a[i] == xAtomXdndAware)
|
|
break;
|
|
}
|
|
if (nprops)
|
|
X11::XFree(a);
|
|
if (i != nprops)
|
|
return w;
|
|
X11::Window child, wtmp;
|
|
int tmp;
|
|
unsigned int utmp;
|
|
X11::XQueryPointer(display, w, &wtmp, &child, &tmp, &tmp, &tmp, &tmp, &utmp);
|
|
return FindAppWindow(display, child);
|
|
}
|
|
|
|
static Float2 GetX11MousePosition()
|
|
{
|
|
if (!xDisplay)
|
|
return Float2::Zero;
|
|
int32 x = 0, y = 0;
|
|
uint32 screenCount = (uint32)X11::XScreenCount(xDisplay);
|
|
for (uint32 i = 0; i < screenCount; i++)
|
|
{
|
|
X11::Window outRoot, outChild;
|
|
int32 childX, childY;
|
|
uint32 mask;
|
|
if (X11::XQueryPointer(xDisplay, X11::XRootWindow(xDisplay, i), &outRoot, &outChild, &x, &y, &childX, &childY, &mask))
|
|
break;
|
|
}
|
|
return Float2((float)x, (float)y);
|
|
}
|
|
}
|
|
|
|
DragDropEffect Window::DoDragDrop(const StringView& data)
|
|
{
|
|
if (CommandLine::Options.Headless)
|
|
return DragDropEffect::None;
|
|
|
|
if (SDLPlatform::UsesWayland())
|
|
return DoDragDropWayland(data);
|
|
else
|
|
return DoDragDropX11(data);
|
|
}
|
|
|
|
DragDropEffect Window::DoDragDropWayland(const StringView& data, Window* dragSourceWindow, Float2 dragOffset)
|
|
{
|
|
// For drag-and-drop, we need to run another event queue in a separate thread to avoid racing issues
|
|
// while SDL is dispatching the main Wayland event queue when receiving the data offer from us.
|
|
|
|
Engine::OnDraw();
|
|
|
|
WaylandImpl::DraggingActive = true;
|
|
WaylandImpl::DraggingData = StringView(data.Get(), data.Length());
|
|
WaylandImpl::DragOverFlag = 0;
|
|
|
|
auto task = New<WaylandImpl::DragDropJob>();
|
|
task->Window = this;
|
|
task->DragSourceWindow = dragSourceWindow; // Needs to be the parent window when dragging a tab to window
|
|
task->DragOffset = dragOffset;
|
|
Task::StartNew(task);
|
|
while (task->GetState() == TaskState::Queued)
|
|
Platform::Sleep(1);
|
|
|
|
while (Platform::AtomicRead(&task->StartFlag) == 0)
|
|
Platform::Sleep(1);
|
|
|
|
while (Platform::AtomicRead(&WaylandImpl::DragOverFlag) == 0)
|
|
{
|
|
SDLPlatform::Tick();
|
|
Engine::OnUpdate();//Scripting::Update(); // For docking updates
|
|
Engine::OnDraw();
|
|
|
|
// The window needs to be finished showing up before we can start dragging it
|
|
if (IsVisible() && Platform::AtomicRead(&task->WaitFlag) == 0)
|
|
Platform::AtomicStore(&task->WaitFlag, 1);
|
|
|
|
Platform::Sleep(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();
|
|
|
|
WaylandImpl::DraggingActive = false;
|
|
WaylandImpl::DraggingData = nullptr;
|
|
|
|
return DragDropEffect::None;
|
|
}
|
|
|
|
DragDropEffect Window::DoDragDropX11(const StringView& data)
|
|
{
|
|
using namespace X11Impl;
|
|
auto cursorWrong = X11::XCreateFontCursor(xDisplay, 54);
|
|
auto cursorTransient = X11::XCreateFontCursor(xDisplay, 24);
|
|
auto cursorGood = X11::XCreateFontCursor(xDisplay, 4);
|
|
Array<X11::Atom, FixedAllocation<3>> formats;
|
|
formats.Add(X11::XInternAtom(xDisplay, "text/plain", 0));
|
|
formats.Add(xAtomText);
|
|
formats.Add(xAtomString);
|
|
StringAnsi dataAnsi(data);
|
|
LinuxDropTextData dropData;
|
|
dropData.Text = data;
|
|
#if !PLATFORM_SDL
|
|
X11::Window mainWindow = _window;
|
|
#else
|
|
X11::Window mainWindow = static_cast<X11::Window>(GetX11WindowHandle());
|
|
#endif
|
|
|
|
// Make sure SDL hasn't grabbed the pointer, and force ungrab it
|
|
XUngrabPointer(xDisplay, CurrentTime);
|
|
auto hintAutoCapture = SDL_GetHint(SDL_HINT_MOUSE_AUTO_CAPTURE);
|
|
SDL_SetHint(SDL_HINT_MOUSE_AUTO_CAPTURE, "0");
|
|
|
|
// Begin dragging
|
|
auto screen = X11::XDefaultScreen(xDisplay);
|
|
auto rootWindow = X11::XRootWindow(xDisplay, screen);
|
|
|
|
if (X11::XGrabPointer(xDisplay, mainWindow, 1, Button1MotionMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, rootWindow, cursorWrong, CurrentTime) != GrabSuccess)
|
|
{
|
|
SDL_SetHint(SDL_HINT_MOUSE_AUTO_CAPTURE, hintAutoCapture);
|
|
return DragDropEffect::None;
|
|
}
|
|
X11::XSetSelectionOwner(xDisplay, xAtomXdndSelection, mainWindow, CurrentTime);
|
|
|
|
// Process events
|
|
X11::XEvent event;
|
|
enum Status
|
|
{
|
|
Unaware,
|
|
Unreceptive,
|
|
CanDrop,
|
|
};
|
|
int status = Unaware, previousVersion = -1;
|
|
X11::Window previousWindow = 0;
|
|
DragDropEffect result = DragDropEffect::None;
|
|
float lastDraw = Platform::GetTimeSeconds();
|
|
float startTime = lastDraw;
|
|
while (true)
|
|
{
|
|
X11::XNextEvent(xDisplay, &event);
|
|
|
|
if (event.type == SelectionClear)
|
|
break;
|
|
if (event.type == SelectionRequest)
|
|
{
|
|
// Extract the relavent data
|
|
X11::Window owner = event.xselectionrequest.owner;
|
|
X11::Atom selection = event.xselectionrequest.selection;
|
|
X11::Atom target = event.xselectionrequest.target;
|
|
X11::Atom property = event.xselectionrequest.property;
|
|
X11::Window requestor = event.xselectionrequest.requestor;
|
|
X11::Time timestamp = event.xselectionrequest.time;
|
|
X11::Display* disp = event.xselection.display;
|
|
X11::XEvent s;
|
|
s.xselection.type = SelectionNotify;
|
|
s.xselection.requestor = requestor;
|
|
s.xselection.selection = selection;
|
|
s.xselection.target = target;
|
|
s.xselection.property = 0;
|
|
s.xselection.time = timestamp;
|
|
if (target == xAtomTargets)
|
|
{
|
|
Array<X11::Atom> targets;
|
|
targets.Add(target);
|
|
targets.Add(X11::XInternAtom(disp, "MULTIPLE", 0));
|
|
targets.Add(formats.Get(), formats.Count());
|
|
X11::XChangeProperty(disp, requestor, property, xAtomAtom, 32, PropModeReplace, (unsigned char*)targets.Get(), targets.Count());
|
|
s.xselection.property = property;
|
|
}
|
|
else if (formats.Contains(target))
|
|
{
|
|
s.xselection.property = property;
|
|
X11::XChangeProperty(disp, requestor, property, target, 8, PropModeReplace, reinterpret_cast<const unsigned char*>(dataAnsi.Get()), dataAnsi.Length());
|
|
}
|
|
X11::XSendEvent(event.xselection.display, event.xselectionrequest.requestor, 1, 0, &s);
|
|
}
|
|
else if (event.type == MotionNotify)
|
|
{
|
|
// Find window under mouse
|
|
auto window = X11Impl::FindAppWindow(xDisplay, rootWindow);
|
|
int fmt, version = -1;
|
|
X11::Atom atmp;
|
|
unsigned long nitems, bytesLeft;
|
|
unsigned char* data = nullptr;
|
|
if (window == previousWindow)
|
|
version = previousVersion;
|
|
else if(window == 0)
|
|
;
|
|
else if (X11::XGetWindowProperty(xDisplay, window, xAtomXdndAware, 0, 2, 0, AnyPropertyType, &atmp, &fmt, &nitems, &bytesLeft, &data) != Success)
|
|
continue;
|
|
else if (data == 0)
|
|
continue;
|
|
else if (fmt != 32)
|
|
continue;
|
|
else if (nitems != 1)
|
|
continue;
|
|
else
|
|
version = data[0];
|
|
if (status == Unaware && version != -1)
|
|
status = Unreceptive;
|
|
else if(version == -1)
|
|
status = Unaware;
|
|
xDndPos = Float2((float)event.xmotion.x_root, (float)event.xmotion.y_root);
|
|
|
|
// Update mouse grab
|
|
if (status == Unaware)
|
|
X11::XChangeActivePointerGrab(xDisplay, Button1MotionMask | ButtonReleaseMask, cursorWrong, CurrentTime);
|
|
else if(status == Unreceptive)
|
|
X11::XChangeActivePointerGrab(xDisplay, Button1MotionMask | ButtonReleaseMask, cursorTransient, CurrentTime);
|
|
else
|
|
X11::XChangeActivePointerGrab(xDisplay, Button1MotionMask | ButtonReleaseMask, cursorGood, CurrentTime);
|
|
|
|
if (window != previousWindow && previousVersion != -1)
|
|
{
|
|
// Send drag left event
|
|
auto ww = WindowsManager::GetByNativePtr((void*)previousWindow);
|
|
if (ww)
|
|
{
|
|
ww->_dragOver = false;
|
|
ww->OnDragLeave();
|
|
}
|
|
else
|
|
{
|
|
X11::XClientMessageEvent m;
|
|
memset(&m, 0, sizeof(m));
|
|
m.type = ClientMessage;
|
|
m.display = event.xclient.display;
|
|
m.window = previousWindow;
|
|
m.message_type = xAtomXdndLeave;
|
|
m.format = 32;
|
|
m.data.l[0] = mainWindow;
|
|
m.data.l[1] = 0;
|
|
m.data.l[2] = 0;
|
|
m.data.l[3] = 0;
|
|
m.data.l[4] = 0;
|
|
X11::XSendEvent(xDisplay, previousWindow, 0, NoEventMask, (X11::XEvent*)&m);
|
|
X11::XFlush(xDisplay);
|
|
}
|
|
}
|
|
|
|
if (window != previousWindow && version != -1)
|
|
{
|
|
// Send drag enter event
|
|
auto ww = WindowsManager::GetByNativePtr((void*)window);
|
|
if (ww)
|
|
{
|
|
xDndPos = ww->ScreenToClient(X11Impl::GetX11MousePosition());
|
|
xDndResult = DragDropEffect::None;
|
|
ww->OnDragEnter(&dropData, xDndPos, xDndResult);
|
|
}
|
|
else
|
|
{
|
|
X11::XClientMessageEvent m;
|
|
memset(&m, 0, sizeof(m));
|
|
m.type = ClientMessage;
|
|
m.display = event.xclient.display;
|
|
m.window = window;
|
|
m.message_type = xAtomXdndEnter;
|
|
m.format = 32;
|
|
m.data.l[0] = mainWindow;
|
|
m.data.l[1] = Math::Min(5, version) << 24 | (formats.Count() > 3);
|
|
m.data.l[2] = formats.Count() > 0 ? formats[0] : 0;
|
|
m.data.l[3] = formats.Count() > 1 ? formats[1] : 0;
|
|
m.data.l[4] = formats.Count() > 2 ? formats[2] : 0;
|
|
X11::XSendEvent(xDisplay, window, 0, NoEventMask, (X11::XEvent*)&m);
|
|
X11::XFlush(xDisplay);
|
|
}
|
|
}
|
|
|
|
if (version != -1)
|
|
{
|
|
// Send position event
|
|
auto ww = WindowsManager::GetByNativePtr((void*)window);
|
|
if (ww)
|
|
{
|
|
xDndPos = ww->ScreenToClient(X11Impl::GetX11MousePosition());
|
|
ww->_dragOver = true;
|
|
xDndResult = DragDropEffect::None;
|
|
ww->OnDragOver(&dropData, xDndPos, xDndResult);
|
|
status = CanDrop;
|
|
}
|
|
else
|
|
{
|
|
int x, y, tmp;
|
|
unsigned int utmp;
|
|
X11::Window wtmp;
|
|
X11::XQueryPointer(xDisplay, window, &wtmp, &wtmp, &tmp, &tmp, &x, &y, &utmp);
|
|
X11::XClientMessageEvent m;
|
|
memset(&m, 0, sizeof(m));
|
|
m.type = ClientMessage;
|
|
m.display = event.xclient.display;
|
|
m.window = window;
|
|
m.message_type = xAtomXdndPosition;
|
|
m.format = 32;
|
|
m.data.l[0] = mainWindow;
|
|
m.data.l[1] = 0;
|
|
m.data.l[2] = (x << 16) | y;
|
|
m.data.l[3] = CurrentTime;
|
|
m.data.l[4] = xAtomXdndActionCopy;
|
|
X11::XSendEvent(xDisplay, window, 0, NoEventMask, (X11::XEvent*)&m);
|
|
X11::XFlush(xDisplay);
|
|
}
|
|
}
|
|
|
|
previousWindow = window;
|
|
previousVersion = version;
|
|
}
|
|
else if (event.type == ClientMessage && event.xclient.message_type == xAtomXdndStatus)
|
|
{
|
|
if ((event.xclient.data.l[1]&1) && status != Unaware)
|
|
status = CanDrop;
|
|
if (!(event.xclient.data.l[1]&1) && status != Unaware)
|
|
status = Unreceptive;
|
|
}
|
|
else if (event.type == ButtonRelease && event.xbutton.button == Button1)
|
|
{
|
|
if (status == CanDrop)
|
|
{
|
|
// Send drop event
|
|
auto ww = WindowsManager::GetByNativePtr((void*)previousWindow);
|
|
if (ww)
|
|
{
|
|
xDndPos = ww->ScreenToClient(X11Impl::GetX11MousePosition());
|
|
xDndResult = DragDropEffect::None;
|
|
ww->OnDragDrop(&dropData, xDndPos, xDndResult);
|
|
ww->Focus();
|
|
result = xDndResult;
|
|
}
|
|
else
|
|
{
|
|
X11::XClientMessageEvent m;
|
|
memset(&m, 0, sizeof(m));
|
|
m.type = ClientMessage;
|
|
m.display = event.xclient.display;
|
|
m.window = previousWindow;
|
|
m.message_type = xAtomXdndDrop;
|
|
m.format = 32;
|
|
m.data.l[0] = mainWindow;
|
|
m.data.l[1] = 0;
|
|
m.data.l[2] = CurrentTime;
|
|
m.data.l[3] = 0;
|
|
m.data.l[4] = 0;
|
|
X11::XSendEvent(xDisplay, previousWindow, 0, NoEventMask, (X11::XEvent*)&m);
|
|
X11::XFlush(xDisplay);
|
|
result = DragDropEffect::Copy;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Redraw
|
|
const float time = Platform::GetTimeSeconds();
|
|
if (time - lastDraw >= 1.0f / 20.0f)
|
|
{
|
|
lastDraw = time;
|
|
|
|
Engine::OnDraw();
|
|
}
|
|
|
|
// Prevent dead-loop
|
|
if (time - startTime >= 10.0f)
|
|
{
|
|
LOG(Warning, "DoDragDrop timed out after 10 seconds.");
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Drag end
|
|
if (previousWindow != 0 && previousVersion != -1)
|
|
{
|
|
// Send drag left event
|
|
auto ww = WindowsManager::GetByNativePtr((void*)previousWindow);
|
|
if (ww)
|
|
{
|
|
ww->_dragOver = false;
|
|
ww->OnDragLeave();
|
|
}
|
|
else
|
|
{
|
|
X11::XClientMessageEvent m;
|
|
memset(&m, 0, sizeof(m));
|
|
m.type = ClientMessage;
|
|
m.display = event.xclient.display;
|
|
m.window = previousWindow;
|
|
m.message_type = xAtomXdndLeave;
|
|
m.format = 32;
|
|
m.data.l[0] = mainWindow;
|
|
m.data.l[1] = 0;
|
|
m.data.l[2] = 0;
|
|
m.data.l[3] = 0;
|
|
m.data.l[4] = 0;
|
|
X11::XSendEvent(xDisplay, previousWindow, 0, NoEventMask, (X11::XEvent*)&m);
|
|
X11::XFlush(xDisplay);
|
|
}
|
|
}
|
|
|
|
// End grabbing
|
|
X11::XChangeActivePointerGrab(xDisplay, Button1MotionMask | ButtonReleaseMask, 0, CurrentTime);
|
|
XUngrabPointer(xDisplay, CurrentTime);
|
|
X11::XFlush(xDisplay);
|
|
|
|
SDL_SetHint(SDL_HINT_MOUSE_AUTO_CAPTURE, hintAutoCapture);
|
|
|
|
return result;
|
|
}
|
|
|
|
void SDLPlatform::PreHandleEvents()
|
|
{
|
|
}
|
|
|
|
void SDLPlatform::PostHandleEvents()
|
|
{
|
|
// Handle window dragging release here
|
|
if (X11Impl::DraggedWindow != nullptr)
|
|
{
|
|
Float2 mousePosition;
|
|
auto buttons = SDL_GetGlobalMouseState(&mousePosition.X, &mousePosition.Y);
|
|
bool buttonReleased = (buttons & SDL_BUTTON_MASK(SDL_BUTTON_LEFT)) == 0;
|
|
if (buttonReleased)
|
|
{
|
|
// Send simulated mouse up event
|
|
SDL_Event buttonUpEvent { 0 };
|
|
buttonUpEvent.motion.type = SDL_EVENT_MOUSE_BUTTON_UP;
|
|
buttonUpEvent.button.down = false;
|
|
buttonUpEvent.motion.windowID = SDL_GetWindowID(X11Impl::DraggedWindow->GetSDLWindow());
|
|
buttonUpEvent.motion.timestamp = SDL_GetTicksNS();
|
|
buttonUpEvent.motion.state = SDL_BUTTON_LEFT;
|
|
buttonUpEvent.button.clicks = 1;
|
|
buttonUpEvent.motion.x = mousePosition.X;
|
|
buttonUpEvent.motion.y = mousePosition.Y;
|
|
X11Impl::DraggedWindow->HandleEvent(buttonUpEvent);
|
|
X11Impl::DraggedWindow = nullptr;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool SDLWindow::HandleEventInternal(SDL_Event& event)
|
|
{
|
|
switch (event.type)
|
|
{
|
|
case SDL_EVENT_WINDOW_MOVED:
|
|
{
|
|
if (SDLPlatform::UsesX11())
|
|
{
|
|
// X11 doesn't report any mouse events when mouse is over the caption area, send a simulated event instead...
|
|
Float2 mousePosition;
|
|
auto buttons = SDL_GetGlobalMouseState(&mousePosition.X, &mousePosition.Y);
|
|
if ((buttons & SDL_BUTTON_MASK(SDL_BUTTON_LEFT)) != 0 && X11Impl::DraggedWindow == nullptr)
|
|
{
|
|
// TODO: verify mouse position, window focus
|
|
bool result = false;
|
|
OnLeftButtonHit(WindowHitCodes::Caption, result);
|
|
if (result)
|
|
X11Impl::DraggedWindow = this;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case SDL_EVENT_MOUSE_BUTTON_UP:
|
|
{
|
|
if (SDLPlatform::UsesWayland() && WaylandImpl::DraggingActive)
|
|
{
|
|
// We are dragging a window, keep the button held down
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
case SDL_EVENT_WINDOW_MOUSE_LEAVE:
|
|
{
|
|
OnDragLeave(); // Check for release of mouse button too?
|
|
break;
|
|
}
|
|
case SDL_EVENT_DROP_BEGIN:
|
|
case SDL_EVENT_DROP_POSITION:
|
|
case SDL_EVENT_DROP_FILE:
|
|
case SDL_EVENT_DROP_TEXT:
|
|
case SDL_EVENT_DROP_COMPLETE:
|
|
{
|
|
if (SDLPlatform::UsesWayland())
|
|
{
|
|
// HACK: We can't use Wayland listeners due to SDL also using them at the same time causes
|
|
// some of the events to drop and make it impossible to implement dragging on application side.
|
|
// We can get enough information through SDL_EVENT_DROP_* events to fill in the blanks for the
|
|
// drag and drop implementation.
|
|
|
|
auto dpiScale = GetDpiScale();
|
|
const Float2 mousePos = Float2(event.drop.x * dpiScale, event.drop.y * dpiScale);
|
|
DragDropEffect effect = DragDropEffect::None;
|
|
String text(event.drop.data);
|
|
|
|
LinuxDropTextData dropData;
|
|
dropData.Text = text;
|
|
|
|
if (event.type == SDL_EVENT_DROP_BEGIN || event.type == SDL_EVENT_DROP_POSITION)
|
|
{
|
|
// We don't have the drag data during these events...
|
|
dropData.Text = WaylandImpl::DraggingData;
|
|
}
|
|
|
|
if (event.type == SDL_EVENT_DROP_BEGIN)
|
|
{
|
|
OnDragEnter(&dropData, mousePos, effect);
|
|
}
|
|
else if (event.type == SDL_EVENT_DROP_POSITION)
|
|
{
|
|
Input::Mouse->OnMouseMove(ClientToScreen(mousePos), this);
|
|
OnDragOver(&dropData, mousePos, effect);
|
|
}
|
|
else if (event.type == SDL_EVENT_DROP_FILE)
|
|
OnDragDrop(&dropData, mousePos, effect);
|
|
else if (event.type == SDL_EVENT_DROP_TEXT)
|
|
OnDragDrop(&dropData, mousePos, effect);
|
|
else if (event.type == SDL_EVENT_DROP_COMPLETE)
|
|
OnDragLeave();
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void SDLClipboard::Clear()
|
|
{
|
|
SetText(StringView::Empty);
|
|
}
|
|
|
|
void SDLClipboard::SetText(const StringView& text)
|
|
{
|
|
if (CommandLine::Options.Headless)
|
|
return;
|
|
auto mainWindow = Engine::MainWindow;
|
|
if (!mainWindow)
|
|
return;
|
|
|
|
if (X11Impl::xDisplay)
|
|
{
|
|
X11::Window window = (X11::Window)(mainWindow->GetX11WindowHandle());
|
|
X11Impl::ClipboardText.Set(text.Get(), text.Length());
|
|
X11::XSetSelectionOwner(X11Impl::xDisplay, X11Impl::xAtomClipboard, window, CurrentTime); // CLIPBOARD
|
|
//X11::XSetSelectionOwner(xDisplay, xAtomPrimary, window, CurrentTime); // XA_PRIMARY
|
|
X11::XFlush(X11Impl::xDisplay);
|
|
X11::XGetSelectionOwner(X11Impl::xDisplay, X11Impl::xAtomClipboard);
|
|
//X11::XGetSelectionOwner(xDisplay, xAtomPrimary);
|
|
}
|
|
else
|
|
{
|
|
LOG(Warning, "Wayland clipboard support is not implemented yet."); // TODO: Wayland
|
|
}
|
|
}
|
|
|
|
void SDLClipboard::SetRawData(const Span<byte>& data)
|
|
{
|
|
}
|
|
|
|
void SDLClipboard::SetFiles(const Array<String>& files)
|
|
{
|
|
}
|
|
|
|
String SDLClipboard::GetText()
|
|
{
|
|
if (CommandLine::Options.Headless)
|
|
return String::Empty;
|
|
String result;
|
|
auto mainWindow = Engine::MainWindow;
|
|
if (!mainWindow)
|
|
return result;
|
|
if (X11Impl::xDisplay)
|
|
{
|
|
X11::Window window = static_cast<X11::Window>(mainWindow->GetX11WindowHandle());
|
|
|
|
X11Impl::ClipboardGetText(result, X11Impl::xAtomClipboard, X11Impl::xAtomUTF8String, window);
|
|
if (result.HasChars())
|
|
return result;
|
|
X11Impl::ClipboardGetText(result, X11Impl::xAtomClipboard, X11Impl::xAtomString, window);
|
|
if (result.HasChars())
|
|
return result;
|
|
X11Impl::ClipboardGetText(result, X11Impl::xAtomPrimary, X11Impl::xAtomUTF8String, window);
|
|
if (result.HasChars())
|
|
return result;
|
|
X11Impl::ClipboardGetText(result, X11Impl::xAtomPrimary, X11Impl::xAtomString, window);
|
|
return result;
|
|
}
|
|
else
|
|
{
|
|
LOG(Warning, "Wayland clipboard is not implemented yet."); // TODO: Wayland
|
|
return String::Empty;
|
|
}
|
|
}
|
|
|
|
Array<byte> SDLClipboard::GetRawData()
|
|
{
|
|
return Array<byte>();
|
|
}
|
|
|
|
Array<String> SDLClipboard::GetFiles()
|
|
{
|
|
return Array<String>();
|
|
}
|
|
|
|
bool SDLCALL SDLPlatform::X11EventHook(void* userdata, _XEvent* xevent)
|
|
{
|
|
using namespace X11Impl;
|
|
const X11::XEvent& event = *(X11::XEvent*)xevent;
|
|
Window* window;
|
|
|
|
// External event handling
|
|
xEventReceived(xevent);
|
|
|
|
if (event.type == ClientMessage)
|
|
{
|
|
if ((uint32)event.xclient.message_type == (uint32)xAtomXdndEnter)
|
|
{
|
|
// Drag&drop enter
|
|
X11::Window source = event.xclient.data.l[0];
|
|
xDnDVersion = (int32)(event.xclient.data.l[1] >> 24);
|
|
const char* targetTypeFiles = "text/uri-list";
|
|
if (event.xclient.data.l[1] & 1)
|
|
{
|
|
Property p = X11Impl::ReadProperty(xDisplay, source, XInternAtom(xDisplay, "XdndTypeList", 0));
|
|
xDnDRequested = X11Impl::SelectTargetFromList(xDisplay, targetTypeFiles, (X11::Atom*)p.data, p.nitems);
|
|
X11::XFree(p.data);
|
|
}
|
|
else
|
|
{
|
|
xDnDRequested = X11Impl::SelectTargetFromAtoms(xDisplay, targetTypeFiles, event.xclient.data.l[2], event.xclient.data.l[3], event.xclient.data.l[4]);
|
|
}
|
|
return false;
|
|
}
|
|
else if ((uint32)event.xclient.message_type == (uint32)xAtomXdndPosition)
|
|
{
|
|
// Drag&drop move
|
|
X11::XClientMessageEvent m;
|
|
memset(&m, 0, sizeof(m));
|
|
m.type = ClientMessage;
|
|
m.display = event.xclient.display;
|
|
m.window = event.xclient.data.l[0];
|
|
m.message_type = xAtomXdndStatus;
|
|
m.format = 32;
|
|
m.data.l[0] = event.xany.window;
|
|
m.data.l[1] = (xDnDRequested != 0);
|
|
m.data.l[2] = 0;
|
|
m.data.l[3] = 0;
|
|
m.data.l[4] = xAtomXdndActionCopy;
|
|
X11::XSendEvent(xDisplay, event.xclient.data.l[0], 0, NoEventMask, (X11::XEvent*)&m);
|
|
X11::XFlush(xDisplay);
|
|
xDndPos = Float2((float)(event.xclient.data.l[2] >> 16), (float)(event.xclient.data.l[2] & 0xffff));
|
|
window = WindowsManager::GetByNativePtr((void*)event.xany.window);
|
|
if (window)
|
|
{
|
|
LinuxDropFilesData dropData;
|
|
xDndResult = DragDropEffect::None;
|
|
if (window->_dragOver)
|
|
{
|
|
window->OnDragOver(&dropData, xDndPos, xDndResult);
|
|
}
|
|
else
|
|
{
|
|
window->_dragOver = true;
|
|
window->OnDragEnter(&dropData, xDndPos, xDndResult);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
else if ((uint32)event.xclient.message_type == (uint32)xAtomXdndLeave)
|
|
{
|
|
window = WindowsManager::GetByNativePtr((void*)event.xany.window);
|
|
if (window && window->_dragOver)
|
|
{
|
|
window->_dragOver = false;
|
|
window->OnDragLeave();
|
|
}
|
|
return false;
|
|
}
|
|
else if ((uint32)event.xclient.message_type == (uint32)xAtomXdndDrop)
|
|
{
|
|
auto w = event.xany.window;
|
|
if (xDnDRequested != 0)
|
|
{
|
|
xDndSourceWindow = event.xclient.data.l[0];
|
|
if (xDnDVersion >= 1)
|
|
XConvertSelection(xDisplay, xAtomXdndSelection, xDnDRequested, xAtomPrimary, w, event.xclient.data.l[2]);
|
|
else
|
|
XConvertSelection(xDisplay, xAtomXdndSelection, xDnDRequested, xAtomPrimary, w, CurrentTime);
|
|
}
|
|
else
|
|
{
|
|
X11::XClientMessageEvent m;
|
|
memset(&m, 0, sizeof(m));
|
|
m.type = ClientMessage;
|
|
m.display = event.xclient.display;
|
|
m.window = event.xclient.data.l[0];
|
|
m.message_type = xAtomXdndFinished;
|
|
m.format = 32;
|
|
m.data.l[0] = w;
|
|
m.data.l[1] = 0;
|
|
m.data.l[2] = 0;
|
|
X11::XSendEvent(xDisplay, event.xclient.data.l[0], 0, NoEventMask, (X11::XEvent*)&m);
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
else if (event.type == SelectionNotify)
|
|
{
|
|
if (event.xselection.target == xDnDRequested)
|
|
{
|
|
// Drag&drop
|
|
window = WindowsManager::GetByNativePtr((void*)event.xany.window);
|
|
if (window)
|
|
{
|
|
Property p = X11Impl::ReadProperty(xDisplay, event.xany.window, xAtomPrimary);
|
|
if (xDndResult != DragDropEffect::None)
|
|
{
|
|
LinuxDropFilesData dropData;
|
|
const String filesList((const char*)p.data);
|
|
filesList.Split('\n', dropData.Files);
|
|
for (auto& e : dropData.Files)
|
|
{
|
|
e.Replace(TEXT("file://"), TEXT(""));
|
|
e.Replace(TEXT("%20"), TEXT(" "));
|
|
e = e.TrimTrailing();
|
|
}
|
|
xDndResult = DragDropEffect::None;
|
|
window->OnDragDrop(&dropData, xDndPos, xDndResult);
|
|
}
|
|
}
|
|
X11::XClientMessageEvent m;
|
|
memset(&m, 0, sizeof(m));
|
|
m.type = ClientMessage;
|
|
m.display = xDisplay;
|
|
m.window = xDndSourceWindow;
|
|
m.message_type = xAtomXdndFinished;
|
|
m.format = 32;
|
|
m.data.l[0] = event.xany.window;
|
|
m.data.l[1] = 1;
|
|
m.data.l[2] = xAtomXdndActionCopy;
|
|
XSendEvent(xDisplay, xDndSourceWindow, 0, NoEventMask, (X11::XEvent*)&m);
|
|
return false;
|
|
}
|
|
return false;
|
|
}
|
|
else if (event.type == SelectionRequest)
|
|
{
|
|
if (event.xselectionrequest.selection != xAtomClipboard)
|
|
return false;
|
|
|
|
const X11::XSelectionRequestEvent* xsr = &event.xselectionrequest;
|
|
X11::XSelectionEvent ev = { 0 };
|
|
ev.type = SelectionNotify;
|
|
ev.display = xsr->display;
|
|
ev.requestor = xsr->requestor;
|
|
ev.selection = xsr->selection;
|
|
ev.time = xsr->time;
|
|
ev.target = xsr->target;
|
|
ev.property = xsr->property;
|
|
|
|
int result = 0;
|
|
if (ev.target == xAtomTargets)
|
|
{
|
|
Array<X11::Atom, FixedAllocation<2>> types(2);
|
|
types.Add(xAtomTargets);
|
|
types.Add(xAtomUTF8String);
|
|
result = X11::XChangeProperty(xDisplay, ev.requestor, ev.property, xAtomAtom, 32, PropModeReplace, (unsigned char*)types.Get(), types.Count());
|
|
}
|
|
else if (ev.target == xAtomString || ev.target == xAtomText)
|
|
result = X11::XChangeProperty(xDisplay, ev.requestor, ev.property, xAtomString, 8, PropModeReplace, (unsigned char*)X11Impl::ClipboardText.Get(), X11Impl::ClipboardText.Length());
|
|
else if (ev.target == xAtomUTF8String)
|
|
result = X11::XChangeProperty(xDisplay, ev.requestor, ev.property, xAtomUTF8String, 8, PropModeReplace, (unsigned char*)X11Impl::ClipboardText.Get(), X11Impl::ClipboardText.Length());
|
|
else
|
|
ev.property = 0;
|
|
if ((result & 2) == 0)
|
|
X11::XSendEvent(xDisplay, ev.requestor, 0, 0, (X11::XEvent*)&ev);
|
|
return false;
|
|
}
|
|
else if (event.type == SelectionClear)
|
|
return false;
|
|
else if (event.type == XFixesSelectionNotifyEvent)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
int X11ErrorHandler(X11::Display* display, X11::XErrorEvent* event)
|
|
{
|
|
if (event->error_code == 5)
|
|
return 0; // BadAtom (invalid Atom parameter)
|
|
char buffer[256];
|
|
XGetErrorText(display, event->error_code, buffer, sizeof(buffer));
|
|
LOG(Error, "X11 Error: {0}", String(buffer));
|
|
return 0;
|
|
}
|
|
|
|
bool SDLPlatform::InitInternal()
|
|
{
|
|
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))
|
|
{
|
|
WaylandImpl::WaylandDisplay = (wl_display*)SDL_GetPointerProperty(SDL_GetGlobalProperties(), SDL_PROP_GLOBAL_VIDEO_WAYLAND_WL_DISPLAY_POINTER, nullptr);
|
|
if (WaylandImpl::WaylandDisplay != nullptr)
|
|
{
|
|
// Tap into Wayland registry so we can start listening for events
|
|
wl_registry* registry = wl_display_get_registry(WaylandImpl::WaylandDisplay);
|
|
wl_registry_add_listener(registry, &WaylandImpl::RegistryListener, nullptr);
|
|
wl_display_roundtrip(WaylandImpl::WaylandDisplay);
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool SDLPlatform::InitX11(void* display)
|
|
{
|
|
using namespace X11Impl;
|
|
if (xDisplay || WaylandImpl::WaylandDisplay)
|
|
return false;
|
|
|
|
// The Display instance must be the same one SDL uses internally
|
|
xDisplay = (X11::Display*)display;
|
|
SDL_SetX11EventHook((SDL_X11EventHook)&X11EventHook, nullptr);
|
|
X11::XSetErrorHandler(X11ErrorHandler);
|
|
|
|
xDisplay = X11::XOpenDisplay(nullptr);
|
|
xAtomDeleteWindow = X11::XInternAtom(xDisplay, "WM_DELETE_WINDOW", 0);
|
|
xAtomXdndEnter = X11::XInternAtom(xDisplay, "XdndEnter", 0);
|
|
xAtomXdndPosition = X11::XInternAtom(xDisplay, "XdndPosition", 0);
|
|
xAtomXdndLeave = X11::XInternAtom(xDisplay, "XdndLeave", 0);
|
|
xAtomXdndDrop = X11::XInternAtom(xDisplay, "XdndDrop", 0);
|
|
xAtomXdndActionCopy = X11::XInternAtom(xDisplay, "XdndActionCopy", 0);
|
|
xAtomXdndStatus = X11::XInternAtom(xDisplay, "XdndStatus", 0);
|
|
xAtomXdndSelection = X11::XInternAtom(xDisplay, "XdndSelection", 0);
|
|
xAtomXdndFinished = X11::XInternAtom(xDisplay, "XdndFinished", 0);
|
|
xAtomXdndAware = X11::XInternAtom(xDisplay, "XdndAware", 0);
|
|
xAtomWmStateHidden = X11::XInternAtom(xDisplay, "_NET_WM_STATE_HIDDEN", 0);
|
|
xAtomWmStateMaxHorz = X11::XInternAtom(xDisplay, "_NET_WM_STATE_MAXIMIZED_HORZ", 0);
|
|
xAtomWmStateMaxVert = X11::XInternAtom(xDisplay, "_NET_WM_STATE_MAXIMIZED_VERT", 0);
|
|
xAtomWmWindowOpacity = X11::XInternAtom(xDisplay, "_NET_WM_WINDOW_OPACITY", 0);
|
|
xAtomWmName = X11::XInternAtom(xDisplay, "_NET_WM_NAME", 0);
|
|
xAtomAtom = static_cast<X11::Atom>(4); // XA_ATOM
|
|
xAtomClipboard = X11::XInternAtom(xDisplay, "CLIPBOARD", 0);
|
|
xAtomPrimary = static_cast<X11::Atom>(1); // XA_PRIMARY
|
|
xAtomTargets = X11::XInternAtom(xDisplay, "TARGETS", 0);
|
|
xAtomText = X11::XInternAtom(xDisplay, "TEXT", 0);
|
|
xAtomString = static_cast<X11::Atom>(31); // XA_STRING
|
|
xAtomUTF8String = X11::XInternAtom(xDisplay, "UTF8_STRING", 1);
|
|
if (xAtomUTF8String == 0)
|
|
xAtomUTF8String = xAtomString;
|
|
xAtomXselData = X11::XInternAtom(xDisplay, "XSEL_DATA", 0);
|
|
|
|
// We need to override handling of the XFixes selection tracking events from SDL
|
|
auto screen = X11::XDefaultScreen(xDisplay);
|
|
auto rootWindow = X11::XRootWindow(xDisplay, screen);
|
|
int eventBase = 0, errorBase = 0;
|
|
if (X11::XFixesQueryExtension(xDisplay, &eventBase, &errorBase))
|
|
{
|
|
XFixesSelectionNotifyEvent = eventBase + XFixesSelectionNotify;
|
|
X11::XFixesSelectSelectionInput(xDisplay, rootWindow, xAtomClipboard, XFixesSetSelectionOwnerNotifyMask);
|
|
X11::XFixesSelectSelectionInput(xDisplay, rootWindow, xAtomPrimary, XFixesSetSelectionOwnerNotifyMask);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void* SDLPlatform::GetXDisplay()
|
|
{
|
|
return X11Impl::xDisplay;
|
|
}
|
|
|
|
void SDLPlatform::SetHighDpiAwarenessEnabled(bool enable)
|
|
{
|
|
base::SetHighDpiAwarenessEnabled(enable);
|
|
}
|
|
|
|
bool SDLPlatform::UsesWindows()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool SDLPlatform::UsesWayland()
|
|
{
|
|
if (X11Impl::xDisplay == nullptr && WaylandImpl::WaylandDisplay == nullptr)
|
|
{
|
|
// In case the X11 display pointer has not been updated yet
|
|
return strcmp(SDL_GetCurrentVideoDriver(), "wayland") == 0;
|
|
}
|
|
return WaylandImpl::WaylandDisplay != nullptr;
|
|
}
|
|
|
|
bool SDLPlatform::UsesX11()
|
|
{
|
|
if (X11Impl::xDisplay == nullptr && WaylandImpl::WaylandDisplay == nullptr)
|
|
{
|
|
// In case the X11 display pointer has not been updated yet
|
|
return strcmp(SDL_GetCurrentVideoDriver(), "x11") == 0;
|
|
}
|
|
return X11Impl::xDisplay != nullptr;
|
|
}
|
|
|
|
DragDropEffect SDLWindow::DoDragDrop(const StringView& data, const Float2& offset, Window* dragSourceWindow)
|
|
{
|
|
if (SDLPlatform::UsesWayland())
|
|
{
|
|
Float2 dragOffset = offset;
|
|
if (_settings.HasBorder && dragSourceWindow == this)
|
|
{
|
|
// Wayland includes the decorations in the client-space coordinates, adjust the offset for it.
|
|
// Assume the title decoration is 25px thick...
|
|
float topOffset = 25.0f;
|
|
dragOffset += Float2(0.0f, topOffset);
|
|
}
|
|
|
|
// Show the window without changing focus
|
|
if (!_visible)
|
|
{
|
|
if (_showAfterFirstPaint)
|
|
{
|
|
if (RenderTask)
|
|
RenderTask->Enabled = true;
|
|
}
|
|
else
|
|
SDL_ShowWindow(_window);
|
|
}
|
|
WindowBase::Show();
|
|
|
|
WaylandImpl::DraggingWindow = true;
|
|
DoDragDropWayland(String(""), dragSourceWindow, dragOffset);
|
|
WaylandImpl::DraggingWindow = false;
|
|
}
|
|
else
|
|
Show();
|
|
return DragDropEffect::None;
|
|
}
|
|
|
|
DialogResult MessageBox::Show(Window* parent, const StringView& text, const StringView& caption, MessageBoxButtons buttons, MessageBoxIcon icon)
|
|
{
|
|
StringAnsi textAnsi(text);
|
|
StringAnsi captionAnsi(caption);
|
|
|
|
SDL_MessageBoxData data;
|
|
SDL_MessageBoxButtonData dataButtons[3];
|
|
data.window = parent ? static_cast<SDLWindow*>(parent)->_window : nullptr;
|
|
data.title = captionAnsi.GetText();
|
|
data.message = textAnsi.GetText();
|
|
data.colorScheme = nullptr;
|
|
|
|
switch (icon)
|
|
{
|
|
case MessageBoxIcon::Error:
|
|
case MessageBoxIcon::Hand:
|
|
case MessageBoxIcon::Stop:
|
|
data.flags |= SDL_MESSAGEBOX_ERROR;
|
|
break;
|
|
case MessageBoxIcon::Asterisk:
|
|
case MessageBoxIcon::Information:
|
|
case MessageBoxIcon::Question:
|
|
data.flags |= SDL_MESSAGEBOX_INFORMATION;
|
|
break;
|
|
case MessageBoxIcon::Exclamation:
|
|
case MessageBoxIcon::Warning:
|
|
data.flags |= SDL_MESSAGEBOX_WARNING;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
switch (buttons)
|
|
{
|
|
case MessageBoxButtons::AbortRetryIgnore:
|
|
dataButtons[0] =
|
|
{
|
|
SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
|
|
(int)DialogResult::Abort,
|
|
"Abort"
|
|
};
|
|
dataButtons[1] =
|
|
{
|
|
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
|
|
(int)DialogResult::Retry,
|
|
"Retry"
|
|
};
|
|
dataButtons[2] =
|
|
{
|
|
0,
|
|
(int)DialogResult::Ignore,
|
|
"Ignore"
|
|
};
|
|
data.numbuttons = 3;
|
|
break;
|
|
case MessageBoxButtons::OK:
|
|
dataButtons[0] =
|
|
{
|
|
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT | SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
|
|
(int)DialogResult::OK,
|
|
"OK"
|
|
};
|
|
data.numbuttons = 1;
|
|
break;
|
|
case MessageBoxButtons::OKCancel:
|
|
dataButtons[0] =
|
|
{
|
|
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
|
|
(int)DialogResult::OK,
|
|
"OK"
|
|
};
|
|
dataButtons[1] =
|
|
{
|
|
SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
|
|
(int)DialogResult::Cancel,
|
|
"Cancel"
|
|
};
|
|
data.numbuttons = 2;
|
|
break;
|
|
case MessageBoxButtons::RetryCancel:
|
|
dataButtons[0] =
|
|
{
|
|
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
|
|
(int)DialogResult::Retry,
|
|
"Retry"
|
|
};
|
|
dataButtons[1] =
|
|
{
|
|
SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
|
|
(int)DialogResult::Cancel,
|
|
"Cancel"
|
|
};
|
|
data.numbuttons = 2;
|
|
break;
|
|
case MessageBoxButtons::YesNo:
|
|
dataButtons[0] =
|
|
{
|
|
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
|
|
(int)DialogResult::Yes,
|
|
"Yes"
|
|
};
|
|
dataButtons[1] =
|
|
{
|
|
SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
|
|
(int)DialogResult::No,
|
|
"No"
|
|
};
|
|
data.numbuttons = 2;
|
|
break;
|
|
case MessageBoxButtons::YesNoCancel:
|
|
{
|
|
dataButtons[0] =
|
|
{
|
|
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
|
|
(int)DialogResult::Yes,
|
|
"Yes"
|
|
};
|
|
dataButtons[1] =
|
|
{
|
|
0,
|
|
(int)DialogResult::No,
|
|
"No"
|
|
};
|
|
dataButtons[2] =
|
|
{
|
|
SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
|
|
(int)DialogResult::Cancel,
|
|
"Cancel"
|
|
};
|
|
data.numbuttons = 3;
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
data.buttons = dataButtons;
|
|
|
|
int result = -1;
|
|
if (!SDL_ShowMessageBox(&data, &result))
|
|
{
|
|
#if PLATFORM_LINUX
|
|
// Fallback to native messagebox implementation in case some system fonts are missing
|
|
if (SDLPlatform::UsesX11())
|
|
{
|
|
LOG(Warning, "Failed to show SDL message box: {0}", String(SDL_GetError()));
|
|
return ShowFallback(parent, text, caption, buttons, icon);
|
|
}
|
|
#endif
|
|
LOG(Error, "Failed to show SDL message box: {0}", String(SDL_GetError()));
|
|
return DialogResult::Abort;
|
|
}
|
|
if (result < 0)
|
|
return DialogResult::None;
|
|
return (DialogResult)result;
|
|
}
|
|
|
|
#endif
|