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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* SDL Display Control Channel
*
* Copyright 2023 Armin Novak <armin.novak@thincast.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <freerdp/types.h>
#include <freerdp/event.h>
#include <freerdp/client/disp.h>
#include "sdl_types.hpp"
#include <SDL.h>
class sdlDispContext
{
public:
explicit sdlDispContext(SdlContext* sdl);
~sdlDispContext();
BOOL init(DispClientContext* disp);
BOOL uninit(DispClientContext* disp);
#if SDL_VERSION_ATLEAST(2, 0, 10)
BOOL handle_display_event(const SDL_DisplayEvent* ev);
#endif
BOOL handle_window_event(const SDL_WindowEvent* ev);
private:
UINT DisplayControlCaps(UINT32 maxNumMonitors, UINT32 maxMonitorAreaFactorA,
UINT32 maxMonitorAreaFactorB);
BOOL set_window_resizable();
BOOL sendResize();
BOOL settings_changed();
BOOL update_last_sent();
UINT sendLayout(const rdpMonitor* monitors, size_t nmonitors);
BOOL addTimer();
private:
static UINT DisplayControlCaps(DispClientContext* disp, UINT32 maxNumMonitors,
UINT32 maxMonitorAreaFactorA, UINT32 maxMonitorAreaFactorB);
static void OnActivated(void* context, const ActivatedEventArgs* e);
static void OnGraphicsReset(void* context, const GraphicsResetEventArgs* e);
static Uint32 SDLCALL OnTimer(Uint32 interval, void* param);
private:
SdlContext* _sdl = nullptr;
DispClientContext* _disp = nullptr;
int _eventBase = -1;
int _errorBase = -1;
int _lastSentWidth = -1;
int _lastSentHeight = -1;
UINT64 _lastSentDate = 0;
int _targetWidth = -1;
int _targetHeight = -1;
BOOL _activated = FALSE;
BOOL _waitingResize = FALSE;
BOOL _fullscreen = FALSE;
UINT16 _lastSentDesktopOrientation = 0;
UINT32 _lastSentDesktopScaleFactor = 0;
UINT32 _lastSentDeviceScaleFactor = 0;
SDL_TimerID _timer = 0;
unsigned _timer_retries = 0;
};
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