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FreeRDP/client/SDL/sdl_freerdp.cpp
Armin Novak 70a360bf38 [client,sdl] clear screen on resize 
* clear screen on window resize
* redraw window on window resize
2023-11-06 08:48:49 +01:00

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* FreeRDP SDL UI
*
* Copyright 2022 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.
*/
#include <memory>
#include <mutex>
#include <freerdp/config.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <freerdp/freerdp.h>
#include <freerdp/constants.h>
#include <freerdp/gdi/gdi.h>
#include <freerdp/streamdump.h>
#include <freerdp/utils/signal.h>
#include <freerdp/client/file.h>
#include <freerdp/client/cmdline.h>
#include <freerdp/client/cliprdr.h>
#include <freerdp/client/channels.h>
#include <freerdp/channels/channels.h>
#include <winpr/crt.h>
#include <winpr/assert.h>
#include <winpr/synch.h>
#include <freerdp/log.h>
#include <SDL.h>
#include <SDL_hints.h>
#include <SDL_video.h>
#include "sdl_channels.hpp"
#include "sdl_freerdp.hpp"
#include "sdl_utils.hpp"
#include "sdl_disp.hpp"
#include "sdl_monitor.hpp"
#include "sdl_kbd.hpp"
#include "sdl_touch.hpp"
#include "sdl_pointer.hpp"
#include "dialogs/sdl_dialogs.hpp"
#include "aad/sdl_webview.hpp"
#define SDL_TAG CLIENT_TAG("SDL")
enum SDL_EXIT_CODE
{
/* section 0-15: protocol-independent codes */
SDL_EXIT_SUCCESS = 0,
SDL_EXIT_DISCONNECT = 1,
SDL_EXIT_LOGOFF = 2,
SDL_EXIT_IDLE_TIMEOUT = 3,
SDL_EXIT_LOGON_TIMEOUT = 4,
SDL_EXIT_CONN_REPLACED = 5,
SDL_EXIT_OUT_OF_MEMORY = 6,
SDL_EXIT_CONN_DENIED = 7,
SDL_EXIT_CONN_DENIED_FIPS = 8,
SDL_EXIT_USER_PRIVILEGES = 9,
SDL_EXIT_FRESH_CREDENTIALS_REQUIRED = 10,
SDL_EXIT_DISCONNECT_BY_USER = 11,
/* section 16-31: license error set */
SDL_EXIT_LICENSE_INTERNAL = 16,
SDL_EXIT_LICENSE_NO_LICENSE_SERVER = 17,
SDL_EXIT_LICENSE_NO_LICENSE = 18,
SDL_EXIT_LICENSE_BAD_CLIENT_MSG = 19,
SDL_EXIT_LICENSE_HWID_DOESNT_MATCH = 20,
SDL_EXIT_LICENSE_BAD_CLIENT = 21,
SDL_EXIT_LICENSE_CANT_FINISH_PROTOCOL = 22,
SDL_EXIT_LICENSE_CLIENT_ENDED_PROTOCOL = 23,
SDL_EXIT_LICENSE_BAD_CLIENT_ENCRYPTION = 24,
SDL_EXIT_LICENSE_CANT_UPGRADE = 25,
SDL_EXIT_LICENSE_NO_REMOTE_CONNECTIONS = 26,
/* section 32-127: RDP protocol error set */
SDL_EXIT_RDP = 32,
/* section 128-254: xfreerdp specific exit codes */
SDL_EXIT_PARSE_ARGUMENTS = 128,
SDL_EXIT_MEMORY = 129,
SDL_EXIT_PROTOCOL = 130,
SDL_EXIT_CONN_FAILED = 131,
SDL_EXIT_AUTH_FAILURE = 132,
SDL_EXIT_NEGO_FAILURE = 133,
SDL_EXIT_LOGON_FAILURE = 134,
SDL_EXIT_ACCOUNT_LOCKED_OUT = 135,
SDL_EXIT_PRE_CONNECT_FAILED = 136,
SDL_EXIT_CONNECT_UNDEFINED = 137,
SDL_EXIT_POST_CONNECT_FAILED = 138,
SDL_EXIT_DNS_ERROR = 139,
SDL_EXIT_DNS_NAME_NOT_FOUND = 140,
SDL_EXIT_CONNECT_FAILED = 141,
SDL_EXIT_MCS_CONNECT_INITIAL_ERROR = 142,
SDL_EXIT_TLS_CONNECT_FAILED = 143,
SDL_EXIT_INSUFFICIENT_PRIVILEGES = 144,
SDL_EXIT_CONNECT_CANCELLED = 145,
SDL_EXIT_CONNECT_TRANSPORT_FAILED = 147,
SDL_EXIT_CONNECT_PASSWORD_EXPIRED = 148,
SDL_EXIT_CONNECT_PASSWORD_MUST_CHANGE = 149,
SDL_EXIT_CONNECT_KDC_UNREACHABLE = 150,
SDL_EXIT_CONNECT_ACCOUNT_DISABLED = 151,
SDL_EXIT_CONNECT_PASSWORD_CERTAINLY_EXPIRED = 152,
SDL_EXIT_CONNECT_CLIENT_REVOKED = 153,
SDL_EXIT_CONNECT_WRONG_PASSWORD = 154,
SDL_EXIT_CONNECT_ACCESS_DENIED = 155,
SDL_EXIT_CONNECT_ACCOUNT_RESTRICTION = 156,
SDL_EXIT_CONNECT_ACCOUNT_EXPIRED = 157,
SDL_EXIT_CONNECT_LOGON_TYPE_NOT_GRANTED = 158,
SDL_EXIT_CONNECT_NO_OR_MISSING_CREDENTIALS = 159,
SDL_EXIT_UNKNOWN = 255,
};
struct sdl_exit_code_map_t
{
DWORD error;
int code;
const char* code_tag;
};
#define ENTRY(x, y) \
{ \
x, y, #y \
}
static const struct sdl_exit_code_map_t sdl_exit_code_map[] = {
ENTRY(FREERDP_ERROR_SUCCESS, SDL_EXIT_SUCCESS), ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_DISCONNECT),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LOGOFF), ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_IDLE_TIMEOUT),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LOGON_TIMEOUT),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_CONN_REPLACED),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_OUT_OF_MEMORY),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_CONN_DENIED),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_CONN_DENIED_FIPS),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_USER_PRIVILEGES),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_FRESH_CREDENTIALS_REQUIRED),
ENTRY(ERRINFO_LOGOFF_BY_USER, SDL_EXIT_DISCONNECT_BY_USER),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_UNKNOWN),
/* section 16-31: license error set */
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LICENSE_INTERNAL),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LICENSE_NO_LICENSE_SERVER),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LICENSE_NO_LICENSE),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LICENSE_BAD_CLIENT_MSG),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LICENSE_HWID_DOESNT_MATCH),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LICENSE_BAD_CLIENT),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LICENSE_CANT_FINISH_PROTOCOL),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LICENSE_CLIENT_ENDED_PROTOCOL),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LICENSE_BAD_CLIENT_ENCRYPTION),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LICENSE_CANT_UPGRADE),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LICENSE_NO_REMOTE_CONNECTIONS),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_LICENSE_CANT_UPGRADE),
/* section 32-127: RDP protocol error set */
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_RDP),
/* section 128-254: xfreerdp specific exit codes */
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_PARSE_ARGUMENTS), ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_MEMORY),
ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_PROTOCOL), ENTRY(FREERDP_ERROR_NONE, SDL_EXIT_CONN_FAILED),
ENTRY(FREERDP_ERROR_AUTHENTICATION_FAILED, SDL_EXIT_AUTH_FAILURE),
ENTRY(FREERDP_ERROR_SECURITY_NEGO_CONNECT_FAILED, SDL_EXIT_NEGO_FAILURE),
ENTRY(FREERDP_ERROR_CONNECT_LOGON_FAILURE, SDL_EXIT_LOGON_FAILURE),
ENTRY(FREERDP_ERROR_CONNECT_ACCOUNT_LOCKED_OUT, SDL_EXIT_ACCOUNT_LOCKED_OUT),
ENTRY(FREERDP_ERROR_PRE_CONNECT_FAILED, SDL_EXIT_PRE_CONNECT_FAILED),
ENTRY(FREERDP_ERROR_CONNECT_UNDEFINED, SDL_EXIT_CONNECT_UNDEFINED),
ENTRY(FREERDP_ERROR_POST_CONNECT_FAILED, SDL_EXIT_POST_CONNECT_FAILED),
ENTRY(FREERDP_ERROR_DNS_ERROR, SDL_EXIT_DNS_ERROR),
ENTRY(FREERDP_ERROR_DNS_NAME_NOT_FOUND, SDL_EXIT_DNS_NAME_NOT_FOUND),
ENTRY(FREERDP_ERROR_CONNECT_FAILED, SDL_EXIT_CONNECT_FAILED),
ENTRY(FREERDP_ERROR_MCS_CONNECT_INITIAL_ERROR, SDL_EXIT_MCS_CONNECT_INITIAL_ERROR),
ENTRY(FREERDP_ERROR_TLS_CONNECT_FAILED, SDL_EXIT_TLS_CONNECT_FAILED),
ENTRY(FREERDP_ERROR_INSUFFICIENT_PRIVILEGES, SDL_EXIT_INSUFFICIENT_PRIVILEGES),
ENTRY(FREERDP_ERROR_CONNECT_CANCELLED, SDL_EXIT_CONNECT_CANCELLED),
ENTRY(FREERDP_ERROR_CONNECT_TRANSPORT_FAILED, SDL_EXIT_CONNECT_TRANSPORT_FAILED),
ENTRY(FREERDP_ERROR_CONNECT_PASSWORD_EXPIRED, SDL_EXIT_CONNECT_PASSWORD_EXPIRED),
ENTRY(FREERDP_ERROR_CONNECT_PASSWORD_MUST_CHANGE, SDL_EXIT_CONNECT_PASSWORD_MUST_CHANGE),
ENTRY(FREERDP_ERROR_CONNECT_KDC_UNREACHABLE, SDL_EXIT_CONNECT_KDC_UNREACHABLE),
ENTRY(FREERDP_ERROR_CONNECT_ACCOUNT_DISABLED, SDL_EXIT_CONNECT_ACCOUNT_DISABLED),
ENTRY(FREERDP_ERROR_CONNECT_PASSWORD_CERTAINLY_EXPIRED,
SDL_EXIT_CONNECT_PASSWORD_CERTAINLY_EXPIRED),
ENTRY(FREERDP_ERROR_CONNECT_CLIENT_REVOKED, SDL_EXIT_CONNECT_CLIENT_REVOKED),
ENTRY(FREERDP_ERROR_CONNECT_WRONG_PASSWORD, SDL_EXIT_CONNECT_WRONG_PASSWORD),
ENTRY(FREERDP_ERROR_CONNECT_ACCESS_DENIED, SDL_EXIT_CONNECT_ACCESS_DENIED),
ENTRY(FREERDP_ERROR_CONNECT_ACCOUNT_RESTRICTION, SDL_EXIT_CONNECT_ACCOUNT_RESTRICTION),
ENTRY(FREERDP_ERROR_CONNECT_ACCOUNT_EXPIRED, SDL_EXIT_CONNECT_ACCOUNT_EXPIRED),
ENTRY(FREERDP_ERROR_CONNECT_LOGON_TYPE_NOT_GRANTED, SDL_EXIT_CONNECT_LOGON_TYPE_NOT_GRANTED),
ENTRY(FREERDP_ERROR_CONNECT_NO_OR_MISSING_CREDENTIALS,
SDL_EXIT_CONNECT_NO_OR_MISSING_CREDENTIALS)
};
static const struct sdl_exit_code_map_t* sdl_map_entry_by_code(int exit_code)
{
size_t x;
for (x = 0; x < ARRAYSIZE(sdl_exit_code_map); x++)
{
const struct sdl_exit_code_map_t* cur = &sdl_exit_code_map[x];
if (cur->code == exit_code)
return cur;
}
return nullptr;
}
static const struct sdl_exit_code_map_t* sdl_map_entry_by_error(DWORD error)
{
size_t x;
for (x = 0; x < ARRAYSIZE(sdl_exit_code_map); x++)
{
const struct sdl_exit_code_map_t* cur = &sdl_exit_code_map[x];
if (cur->error == error)
return cur;
}
return nullptr;
}
static int sdl_map_error_to_exit_code(DWORD error)
{
const struct sdl_exit_code_map_t* entry = sdl_map_entry_by_error(error);
if (entry)
return entry->code;
return SDL_EXIT_CONN_FAILED;
}
static const char* sdl_map_error_to_code_tag(DWORD error)
{
const struct sdl_exit_code_map_t* entry = sdl_map_entry_by_error(error);
if (entry)
return entry->code_tag;
return nullptr;
}
static const char* sdl_map_to_code_tag(int code)
{
const struct sdl_exit_code_map_t* entry = sdl_map_entry_by_code(code);
if (entry)
return entry->code_tag;
return nullptr;
}
static int error_info_to_error(freerdp* instance, DWORD* pcode)
{
const DWORD code = freerdp_error_info(instance);
const char* name = freerdp_get_error_info_name(code);
const char* str = freerdp_get_error_info_string(code);
const int exit_code = sdl_map_error_to_exit_code(code);
WLog_DBG(SDL_TAG, "Terminate with %s due to ERROR_INFO %s [0x%08" PRIx32 "]: %s",
sdl_map_error_to_code_tag(exit_code), name, code, str);
if (pcode)
*pcode = code;
return exit_code;
}
/* This function is called whenever a new frame starts.
* It can be used to reset invalidated areas. */
static BOOL sdl_begin_paint(rdpContext* context)
{
rdpGdi* gdi;
auto sdl = get_context(context);
WINPR_ASSERT(sdl);
HANDLE handles[] = { sdl->update_complete.handle(), freerdp_abort_event(context) };
const DWORD status = WaitForMultipleObjects(ARRAYSIZE(handles), handles, FALSE, INFINITE);
switch (status)
{
case WAIT_OBJECT_0:
break;
default:
return FALSE;
}
sdl->update_complete.clear();
gdi = context->gdi;
WINPR_ASSERT(gdi);
WINPR_ASSERT(gdi->primary);
WINPR_ASSERT(gdi->primary->hdc);
WINPR_ASSERT(gdi->primary->hdc->hwnd);
WINPR_ASSERT(gdi->primary->hdc->hwnd->invalid);
gdi->primary->hdc->hwnd->invalid->null = TRUE;
gdi->primary->hdc->hwnd->ninvalid = 0;
return TRUE;
}
static BOOL sdl_redraw(SdlContext* sdl)
{
WINPR_ASSERT(sdl);
auto gdi = sdl->context()->gdi;
return gdi_send_suppress_output(gdi, FALSE);
}
class SdlEventUpdateTriggerGuard
{
private:
SdlContext* _sdl;
public:
SdlEventUpdateTriggerGuard(SdlContext* sdl) : _sdl(sdl)
{
}
~SdlEventUpdateTriggerGuard()
{
_sdl->update_complete.set();
}
};
static BOOL sdl_draw_to_window_rect(SdlContext* sdl, SDL_Surface* screen, SDL_Surface* surface,
SDL_Point offset, const SDL_Rect& srcRect)
{
SDL_Rect dstRect = { offset.x + srcRect.x, offset.y + srcRect.y, srcRect.w, srcRect.h };
SDL_SetClipRect(surface, &srcRect);
SDL_SetClipRect(screen, &dstRect);
SDL_BlitSurface(surface, &srcRect, screen, &dstRect);
return TRUE;
}
static BOOL sdl_draw_to_window_rect(SdlContext* sdl, SDL_Surface* screen, SDL_Surface* surface,
SDL_Point offset, const std::vector<SDL_Rect>& rects = {})
{
if (rects.empty())
{
return sdl_draw_to_window_rect(sdl, screen, surface, offset,
{ 0, 0, surface->w, surface->h });
}
for (auto& srcRect : rects)
{
if (!sdl_draw_to_window_rect(sdl, screen, surface, offset, srcRect))
return FALSE;
}
return TRUE;
}
static BOOL sdl_draw_to_window_scaled_rect(SdlContext* sdl, Sint32 windowId, SDL_Surface* screen,
SDL_Surface* surface, const SDL_Rect& srcRect)
{
SDL_Rect dstRect = srcRect;
sdl_scale_coordinates(sdl, windowId, &dstRect.x, &dstRect.y, FALSE, TRUE);
sdl_scale_coordinates(sdl, windowId, &dstRect.w, &dstRect.h, FALSE, TRUE);
SDL_SetClipRect(surface, &srcRect);
SDL_SetClipRect(screen, &dstRect);
SDL_BlitScaled(surface, &srcRect, screen, &dstRect);
return TRUE;
}
static BOOL sdl_draw_to_window_scaled_rect(SdlContext* sdl, Sint32 windowId, SDL_Surface* screen,
SDL_Surface* surface,
const std::vector<SDL_Rect>& rects = {})
{
if (rects.empty())
{
return sdl_draw_to_window_scaled_rect(sdl, windowId, screen, surface,
{ 0, 0, surface->w, surface->h });
}
for (auto& srcRect : rects)
{
if (!sdl_draw_to_window_scaled_rect(sdl, windowId, screen, surface, srcRect))
return FALSE;
}
return TRUE;
}
static BOOL sdl_draw_to_window(SdlContext* sdl, sdl_window_t window,
const std::vector<SDL_Rect>& rects = {})
{
WINPR_ASSERT(sdl);
auto context = sdl->context();
auto gdi = context->gdi;
SDL_Surface* screen = SDL_GetWindowSurface(window.window);
int w, h;
SDL_GetWindowSize(window.window, &w, &h);
if (!freerdp_settings_get_bool(context->settings, FreeRDP_SmartSizing))
{
if (gdi->width < w)
{
window.offset_x = (w - gdi->width) / 2;
}
if (gdi->height < h)
{
window.offset_y = (h - gdi->height) / 2;
}
auto surface = sdl->primary.get();
if (!sdl_draw_to_window_rect(sdl, screen, surface, { window.offset_x, window.offset_y },
rects))
return FALSE;
}
else
{
auto id = SDL_GetWindowID(window.window);
if (!sdl_draw_to_window_scaled_rect(sdl, id, screen, sdl->primary.get(), rects))
return FALSE;
}
SDL_UpdateWindowSurface(window.window);
return TRUE;
}
static BOOL sdl_draw_to_window(SdlContext* sdl, const std::vector<sdl_window_t>& window,
const std::vector<SDL_Rect>& rects = {})
{
for (auto& window : sdl->windows)
{
if (!sdl_draw_to_window(sdl, window, rects))
return FALSE;
}
return TRUE;
}
static BOOL sdl_end_paint_process(rdpContext* context)
{
rdpGdi* gdi;
auto sdl = get_context(context);
WINPR_ASSERT(context);
SdlEventUpdateTriggerGuard guard(sdl);
gdi = context->gdi;
WINPR_ASSERT(gdi);
WINPR_ASSERT(gdi->primary);
WINPR_ASSERT(gdi->primary->hdc);
WINPR_ASSERT(gdi->primary->hdc->hwnd);
WINPR_ASSERT(gdi->primary->hdc->hwnd->invalid);
if (gdi->suppressOutput || gdi->primary->hdc->hwnd->invalid->null)
return TRUE;
const INT32 ninvalid = gdi->primary->hdc->hwnd->ninvalid;
const GDI_RGN* cinvalid = gdi->primary->hdc->hwnd->cinvalid;
if (ninvalid < 1)
return TRUE;
std::vector<SDL_Rect> rects;
for (INT32 x = 0; x < ninvalid; x++)
{
auto& rgn = cinvalid[x];
rects.push_back({ rgn.x, rgn.y, rgn.w, rgn.h });
}
return sdl_draw_to_window(sdl, sdl->windows, rects);
}
/* This function is called when the library completed composing a new
* frame. Read out the changed areas and blit them to your output device.
* The image buffer will have the format specified by gdi_init
*/
static BOOL sdl_end_paint(rdpContext* context)
{
auto sdl = get_context(context);
WINPR_ASSERT(sdl);
std::lock_guard<CriticalSection> lock(sdl->critical);
const BOOL rc = sdl_push_user_event(SDL_USEREVENT_UPDATE, context);
return rc;
}
static void sdl_destroy_primary(SdlContext* sdl)
{
if (!sdl)
return;
sdl->primary.reset();
sdl->primary_format.reset();
}
/* Create a SDL surface from the GDI buffer */
static BOOL sdl_create_primary(SdlContext* sdl)
{
rdpGdi* gdi;
WINPR_ASSERT(sdl);
gdi = sdl->context()->gdi;
WINPR_ASSERT(gdi);
sdl_destroy_primary(sdl);
sdl->primary = SDLSurfacePtr(
SDL_CreateRGBSurfaceWithFormatFrom(gdi->primary_buffer, static_cast<int>(gdi->width),
static_cast<int>(gdi->height),
static_cast<int>(FreeRDPGetBitsPerPixel(gdi->dstFormat)),
static_cast<int>(gdi->stride), sdl->sdl_pixel_format),
SDL_FreeSurface);
sdl->primary_format = SDLPixelFormatPtr(SDL_AllocFormat(sdl->sdl_pixel_format), SDL_FreeFormat);
if (!sdl->primary || !sdl->primary_format)
return FALSE;
SDL_SetSurfaceBlendMode(sdl->primary.get(), SDL_BLENDMODE_NONE);
SDL_FillRect(sdl->primary.get(), nullptr,
SDL_MapRGBA(sdl->primary_format.get(), 0, 0, 0, 0xff));
return TRUE;
}
static BOOL sdl_desktop_resize(rdpContext* context)
{
rdpGdi* gdi;
rdpSettings* settings;
auto sdl = get_context(context);
WINPR_ASSERT(context);
settings = context->settings;
WINPR_ASSERT(settings);
gdi = context->gdi;
if (!gdi_resize(gdi, settings->DesktopWidth, settings->DesktopHeight))
return FALSE;
return sdl_create_primary(sdl);
}
/* This function is called to output a System BEEP */
static BOOL sdl_play_sound(rdpContext* context, const PLAY_SOUND_UPDATE* play_sound)
{
/* TODO: Implement */
WINPR_UNUSED(context);
WINPR_UNUSED(play_sound);
return TRUE;
}
static BOOL sdl_wait_for_init(SdlContext* sdl)
{
WINPR_ASSERT(sdl);
sdl->initialize.set();
HANDLE handles[] = { sdl->initialized.handle(), freerdp_abort_event(sdl->context()) };
const DWORD rc = WaitForMultipleObjects(ARRAYSIZE(handles), handles, FALSE, INFINITE);
switch (rc)
{
case WAIT_OBJECT_0:
return TRUE;
default:
return FALSE;
}
}
/* Called before a connection is established.
* Set all configuration options to support and load channels here. */
static BOOL sdl_pre_connect(freerdp* instance)
{
WINPR_ASSERT(instance);
WINPR_ASSERT(instance->context);
auto sdl = get_context(instance->context);
auto settings = instance->context->settings;
WINPR_ASSERT(settings);
/* Optional OS identifier sent to server */
settings->OsMajorType = OSMAJORTYPE_UNIX;
settings->OsMinorType = OSMINORTYPE_NATIVE_SDL;
/* settings->OrderSupport is initialized at this point.
* Only override it if you plan to implement custom order
* callbacks or deactiveate certain features. */
/* Register the channel listeners.
* They are required to set up / tear down channels if they are loaded. */
PubSub_SubscribeChannelConnected(instance->context->pubSub, sdl_OnChannelConnectedEventHandler);
PubSub_SubscribeChannelDisconnected(instance->context->pubSub,
sdl_OnChannelDisconnectedEventHandler);
if (!freerdp_settings_get_bool(settings, FreeRDP_AuthenticationOnly))
{
UINT32 maxWidth = 0;
UINT32 maxHeight = 0;
if (!sdl_wait_for_init(sdl))
return FALSE;
if (!sdl_detect_monitors(sdl, &maxWidth, &maxHeight))
return FALSE;
if ((maxWidth != 0) && (maxHeight != 0) &&
!freerdp_settings_get_bool(settings, FreeRDP_SmartSizing))
{
WLog_Print(sdl->log, WLOG_INFO, "Update size to %ux%u", maxWidth, maxHeight);
settings->DesktopWidth = maxWidth;
settings->DesktopHeight = maxHeight;
}
}
else
{
/* Check +auth-only has a username and password. */
if (!freerdp_settings_get_string(settings, FreeRDP_Password))
{
WLog_Print(sdl->log, WLOG_INFO, "auth-only, but no password set. Please provide one.");
return FALSE;
}
if (!freerdp_settings_set_bool(settings, FreeRDP_DeactivateClientDecoding, TRUE))
return FALSE;
WLog_Print(sdl->log, WLOG_INFO, "Authentication only. Don't connect SDL.");
}
/* TODO: Any code your client requires */
return TRUE;
}
static const char* sdl_window_get_title(rdpSettings* settings)
{
const char* windowTitle;
UINT32 port;
BOOL addPort;
const char* name;
const char* prefix = "FreeRDP:";
if (!settings)
return nullptr;
windowTitle = freerdp_settings_get_string(settings, FreeRDP_WindowTitle);
if (windowTitle)
return _strdup(windowTitle);
name = freerdp_settings_get_server_name(settings);
port = freerdp_settings_get_uint32(settings, FreeRDP_ServerPort);
addPort = (port != 3389);
char buffer[MAX_PATH + 64] = { 0 };
if (!addPort)
sprintf_s(buffer, sizeof(buffer), "%s %s", prefix, name);
else
sprintf_s(buffer, sizeof(buffer), "%s %s:%" PRIu32, prefix, name, port);
freerdp_settings_set_string(settings, FreeRDP_WindowTitle, buffer);
return freerdp_settings_get_string(settings, FreeRDP_WindowTitle);
}
static void sdl_cleanup_sdl(SdlContext* sdl)
{
if (!sdl)
return;
for (auto& window : sdl->windows)
SDL_DestroyWindow(window.window);
sdl_destroy_primary(sdl);
sdl->windows.clear();
SDL_Quit();
}
static BOOL sdl_create_windows(SdlContext* sdl)
{
WINPR_ASSERT(sdl);
auto settings = sdl->context()->settings;
auto title = sdl_window_get_title(settings);
BOOL rc = FALSE;
UINT32 windowCount = freerdp_settings_get_uint32(settings, FreeRDP_MonitorCount);
for (UINT32 x = 0; x < windowCount; x++)
{
auto monitor = static_cast<rdpMonitor*>(
freerdp_settings_get_pointer_array_writable(settings, FreeRDP_MonitorDefArray, x));
Uint32 w = monitor->width;
Uint32 h = monitor->height;
if (!(settings->UseMultimon || settings->Fullscreen))
{
w = settings->DesktopWidth;
h = settings->DesktopHeight;
}
sdl_window_t window = {};
Uint32 flags = SDL_WINDOW_SHOWN;
Uint32 startupX = SDL_WINDOWPOS_CENTERED_DISPLAY(x);
Uint32 startupY = SDL_WINDOWPOS_CENTERED_DISPLAY(x);
if (monitor->attributes.desktopScaleFactor > 100)
{
#if SDL_VERSION_ATLEAST(2, 0, 1)
flags |= SDL_WINDOW_ALLOW_HIGHDPI;
#endif
}
if (settings->Fullscreen && !settings->UseMultimon)
{
flags |= SDL_WINDOW_FULLSCREEN;
}
if (settings->UseMultimon)
{
flags |= SDL_WINDOW_BORDERLESS;
}
else
{
window.offset_x = 0;
window.offset_y = 0;
}
window.window = SDL_CreateWindow(title, startupX, startupY, static_cast<int>(w),
static_cast<int>(h), flags);
if (!window.window)
goto fail;
if (settings->UseMultimon)
{
int win_x;
int win_y;
SDL_GetWindowPosition(window.window, &win_x, &win_y);
window.offset_x = 0 - win_x;
window.offset_y = 0 - win_y;
}
sdl->windows.push_back(window);
}
rc = TRUE;
fail:
sdl->windows_created.set();
return rc;
}
static BOOL sdl_wait_create_windows(SdlContext* sdl)
{
std::lock_guard<CriticalSection> lock(sdl->critical);
sdl->windows_created.clear();
if (!sdl_push_user_event(SDL_USEREVENT_CREATE_WINDOWS, sdl))
return FALSE;
HANDLE handles[] = { sdl->initialized.handle(), freerdp_abort_event(sdl->context()) };
const DWORD rc = WaitForMultipleObjects(ARRAYSIZE(handles), handles, FALSE, INFINITE);
switch (rc)
{
case WAIT_OBJECT_0:
return TRUE;
default:
return FALSE;
}
}
static int sdl_run(SdlContext* sdl)
{
int rc = -1;
WINPR_ASSERT(sdl);
HANDLE handles[] = { sdl->initialize.handle(), freerdp_abort_event(sdl->context()) };
const DWORD status = WaitForMultipleObjects(ARRAYSIZE(handles), handles, FALSE, INFINITE);
switch (status)
{
case WAIT_OBJECT_0:
break;
default:
return -1;
}
SDL_Init(SDL_INIT_VIDEO);
#if SDL_VERSION_ATLEAST(2, 0, 16)
SDL_SetHint(SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED, "0");
#endif
sdl->initialized.set();
while (!freerdp_shall_disconnect_context(sdl->context()))
{
SDL_Event windowEvent = { 0 };
while (!freerdp_shall_disconnect_context(sdl->context()) &&
SDL_WaitEventTimeout(nullptr, 1000))
{
/* Only poll standard SDL events and SDL_USEREVENTS meant to create dialogs.
* do not process the dialog return value events here.
*/
const int prc = SDL_PeepEvents(&windowEvent, 1, SDL_GETEVENT, SDL_FIRSTEVENT,
SDL_USEREVENT_SCARD_DIALOG);
if (prc < 0)
{
if (sdl_log_error(prc, sdl->log, "SDL_PeepEvents"))
continue;
}
#if defined(WITH_DEBUG_SDL_EVENTS)
SDL_Log("got event %s [0x%08" PRIx32 "]", sdl_event_type_str(windowEvent.type),
windowEvent.type);
#endif
std::lock_guard<CriticalSection> lock(sdl->critical);
switch (windowEvent.type)
{
case SDL_QUIT:
freerdp_abort_connect_context(sdl->context());
break;
case SDL_KEYDOWN:
case SDL_KEYUP:
{
const SDL_KeyboardEvent* ev = &windowEvent.key;
sdl->input.keyboard_handle_event(ev);
}
break;
case SDL_KEYMAPCHANGED:
{
}
break; // TODO: Switch keyboard layout
case SDL_MOUSEMOTION:
{
const SDL_MouseMotionEvent* ev = &windowEvent.motion;
sdl_handle_mouse_motion(sdl, ev);
}
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
{
const SDL_MouseButtonEvent* ev = &windowEvent.button;
sdl_handle_mouse_button(sdl, ev);
}
break;
case SDL_MOUSEWHEEL:
{
const SDL_MouseWheelEvent* ev = &windowEvent.wheel;
sdl_handle_mouse_wheel(sdl, ev);
}
break;
case SDL_FINGERDOWN:
{
const SDL_TouchFingerEvent* ev = &windowEvent.tfinger;
sdl_handle_touch_down(sdl, ev);
}
break;
case SDL_FINGERUP:
{
const SDL_TouchFingerEvent* ev = &windowEvent.tfinger;
sdl_handle_touch_up(sdl, ev);
}
break;
case SDL_FINGERMOTION:
{
const SDL_TouchFingerEvent* ev = &windowEvent.tfinger;
sdl_handle_touch_motion(sdl, ev);
}
break;
#if SDL_VERSION_ATLEAST(2, 0, 10)
case SDL_DISPLAYEVENT:
{
const SDL_DisplayEvent* ev = &windowEvent.display;
sdl->disp.handle_display_event(ev);
}
break;
#endif
case SDL_WINDOWEVENT:
{
const SDL_WindowEvent* ev = &windowEvent.window;
sdl->disp.handle_window_event(ev);
switch (ev->event)
{
case SDL_WINDOWEVENT_RESIZED:
case SDL_WINDOWEVENT_SIZE_CHANGED:
{
auto window = SDL_GetWindowFromID(ev->windowID);
if (window)
{
auto surface = SDL_GetWindowSurface(window);
if (surface)
{
SDL_Rect rect = { 0, 0, surface->w, surface->h };
auto color = SDL_MapRGBA(surface->format, 0, 0, 0, 0xff);
SDL_FillRect(surface, &rect, color);
}
sdl_draw_to_window(sdl, sdl->windows);
}
}
break;
default:
break;
}
}
break;
case SDL_RENDER_TARGETS_RESET:
sdl_redraw(sdl);
break;
case SDL_RENDER_DEVICE_RESET:
sdl_redraw(sdl);
break;
case SDL_APP_WILLENTERFOREGROUND:
sdl_redraw(sdl);
break;
case SDL_USEREVENT_CERT_DIALOG:
{
auto title = static_cast<const char*>(windowEvent.user.data1);
auto msg = static_cast<const char*>(windowEvent.user.data2);
sdl_cert_dialog_show(title, msg);
}
break;
case SDL_USEREVENT_SHOW_DIALOG:
{
auto title = static_cast<const char*>(windowEvent.user.data1);
auto msg = static_cast<const char*>(windowEvent.user.data2);
sdl_message_dialog_show(title, msg, windowEvent.user.code);
}
break;
case SDL_USEREVENT_SCARD_DIALOG:
{
auto title = static_cast<const char*>(windowEvent.user.data1);
auto msg = static_cast<const char**>(windowEvent.user.data2);
sdl_scard_dialog_show(title, windowEvent.user.code, msg);
}
break;
case SDL_USEREVENT_AUTH_DIALOG:
sdl_auth_dialog_show(
reinterpret_cast<const SDL_UserAuthArg*>(windowEvent.padding));
break;
case SDL_USEREVENT_UPDATE:
{
auto context = static_cast<rdpContext*>(windowEvent.user.data1);
sdl_end_paint_process(context);
}
break;
case SDL_USEREVENT_CREATE_WINDOWS:
{
auto ctx = static_cast<SdlContext*>(windowEvent.user.data1);
sdl_create_windows(ctx);
}
break;
case SDL_USEREVENT_WINDOW_RESIZEABLE:
{
auto window = static_cast<SDL_Window*>(windowEvent.user.data1);
const SDL_bool use = windowEvent.user.code != 0 ? SDL_TRUE : SDL_FALSE;
SDL_SetWindowResizable(window, use);
}
break;
case SDL_USEREVENT_WINDOW_FULLSCREEN:
{
auto window = static_cast<SDL_Window*>(windowEvent.user.data1);
const SDL_bool enter = windowEvent.user.code != 0 ? SDL_TRUE : SDL_FALSE;
Uint32 curFlags = SDL_GetWindowFlags(window);
if (enter)
{
if (!(curFlags & SDL_WINDOW_BORDERLESS))
{
auto idx = SDL_GetWindowDisplayIndex(window);
SDL_DisplayMode mode = {};
SDL_GetCurrentDisplayMode(idx, &mode);
SDL_RestoreWindow(window); // Maximize so we can see the caption and
// bits
SDL_SetWindowBordered(window, SDL_FALSE);
SDL_SetWindowPosition(window, 0, 0);
#if SDL_VERSION_ATLEAST(2, 0, 16)
SDL_SetWindowAlwaysOnTop(window, SDL_TRUE);
#endif
SDL_RaiseWindow(window);
SDL_SetWindowSize(window, mode.w, mode.h);
}
}
else
{
if (curFlags & SDL_WINDOW_BORDERLESS)
{
SDL_SetWindowBordered(window, SDL_TRUE);
#if SDL_VERSION_ATLEAST(2, 0, 16)
SDL_SetWindowAlwaysOnTop(window, SDL_FALSE);
#endif
SDL_RaiseWindow(window);
SDL_MinimizeWindow(
window); // Maximize so we can see the caption and bits
SDL_MaximizeWindow(
window); // Maximize so we can see the caption and bits
}
}
}
break;
case SDL_USEREVENT_POINTER_NULL:
SDL_ShowCursor(SDL_DISABLE);
break;
case SDL_USEREVENT_POINTER_DEFAULT:
{
SDL_Cursor* def = SDL_GetDefaultCursor();
SDL_SetCursor(def);
SDL_ShowCursor(SDL_ENABLE);
}
break;
case SDL_USEREVENT_POINTER_POSITION:
{
const INT32 x =
static_cast<INT32>(reinterpret_cast<uintptr_t>(windowEvent.user.data1));
const INT32 y =
static_cast<INT32>(reinterpret_cast<uintptr_t>(windowEvent.user.data2));
SDL_Window* window = SDL_GetMouseFocus();
if (window)
{
const Uint32 id = SDL_GetWindowID(window);
INT32 sx = x;
INT32 sy = y;
if (sdl_scale_coordinates(sdl, id, &sx, &sy, FALSE, FALSE))
SDL_WarpMouseInWindow(window, sx, sy);
}
}
break;
case SDL_USEREVENT_POINTER_SET:
sdl_Pointer_Set_Process(&windowEvent.user);
break;
case SDL_USEREVENT_QUIT:
default:
break;
}
}
}
rc = 1;
sdl_cleanup_sdl(sdl);
return rc;
}
/* Called after a RDP connection was successfully established.
* Settings might have changed during negociation of client / server feature
* support.
*
* Set up local framebuffers and paing callbacks.
* If required, register pointer callbacks to change the local mouse cursor
* when hovering over the RDP window
*/
static BOOL sdl_post_connect(freerdp* instance)
{
WINPR_ASSERT(instance);
auto context = instance->context;
WINPR_ASSERT(context);
auto sdl = get_context(context);
if (freerdp_settings_get_bool(context->settings, FreeRDP_AuthenticationOnly))
{
/* Check +auth-only has a username and password. */
if (!freerdp_settings_get_string(context->settings, FreeRDP_Password))
{
WLog_Print(sdl->log, WLOG_INFO, "auth-only, but no password set. Please provide one.");
return FALSE;
}
WLog_Print(sdl->log, WLOG_INFO, "Authentication only. Don't connect to X.");
return TRUE;
}
if (!sdl_wait_create_windows(sdl))
return FALSE;
sdl->sdl_pixel_format = SDL_PIXELFORMAT_BGRA32;
if (!gdi_init(instance, PIXEL_FORMAT_BGRA32))
return FALSE;
if (!sdl_create_primary(sdl))
return FALSE;
if (!sdl_register_pointer(instance->context->graphics))
return FALSE;
WINPR_ASSERT(context->update);
context->update->BeginPaint = sdl_begin_paint;
context->update->EndPaint = sdl_end_paint;
context->update->PlaySound = sdl_play_sound;
context->update->DesktopResize = sdl_desktop_resize;
context->update->SetKeyboardIndicators = sdlInput::keyboard_set_indicators;
context->update->SetKeyboardImeStatus = sdlInput::keyboard_set_ime_status;
sdl->update_resizeable(FALSE);
sdl->update_fullscreen(context->settings->Fullscreen || context->settings->UseMultimon);
return TRUE;
}
/* This function is called whether a session ends by failure or success.
* Clean up everything allocated by pre_connect and post_connect.
*/
static void sdl_post_disconnect(freerdp* instance)
{
if (!instance)
return;
if (!instance->context)
return;
auto context = get_context(instance->context);
PubSub_UnsubscribeChannelConnected(instance->context->pubSub,
sdl_OnChannelConnectedEventHandler);
PubSub_UnsubscribeChannelDisconnected(instance->context->pubSub,
sdl_OnChannelDisconnectedEventHandler);
gdi_free(instance);
/* TODO : Clean up custom stuff */
WINPR_UNUSED(context);
}
static void sdl_post_final_disconnect(freerdp* instance)
{
if (!instance)
return;
if (!instance->context)
return;
}
/* RDP main loop.
* Connects RDP, loops while running and handles event and dispatch, cleans up
* after the connection ends. */
static DWORD WINAPI sdl_client_thread_proc(SdlContext* sdl)
{
DWORD nCount;
DWORD status;
int exit_code = SDL_EXIT_SUCCESS;
HANDLE handles[MAXIMUM_WAIT_OBJECTS] = {};
WINPR_ASSERT(sdl);
auto instance = sdl->context()->instance;
WINPR_ASSERT(instance);
BOOL rc = freerdp_connect(instance);
rdpContext* context = sdl->context();
rdpSettings* settings = context->settings;
WINPR_ASSERT(settings);
if (!rc)
{
UINT32 error = freerdp_get_last_error(context);
exit_code = sdl_map_error_to_exit_code(error);
}
if (freerdp_settings_get_bool(settings, FreeRDP_AuthenticationOnly))
{
DWORD code = freerdp_get_last_error(context);
freerdp_abort_connect_context(context);
WLog_Print(sdl->log, WLOG_ERROR,
"Authentication only, freerdp_get_last_error() %s [0x%08" PRIx32 "] %s",
freerdp_get_last_error_name(code), code, freerdp_get_last_error_string(code));
goto terminate;
}
if (!rc)
{
DWORD code = freerdp_error_info(instance);
if (exit_code == SDL_EXIT_SUCCESS)
exit_code = error_info_to_error(instance, &code);
if (freerdp_get_last_error(context) == FREERDP_ERROR_AUTHENTICATION_FAILED)
exit_code = SDL_EXIT_AUTH_FAILURE;
else if (code == ERRINFO_SUCCESS)
exit_code = SDL_EXIT_CONN_FAILED;
goto terminate;
}
while (!freerdp_shall_disconnect_context(context))
{
/*
* win8 and server 2k12 seem to have some timing issue/race condition
* when a initial sync request is send to sync the keyboard indicators
* sending the sync event twice fixed this problem
*/
if (freerdp_focus_required(instance))
{
auto ctx = get_context(context);
WINPR_ASSERT(ctx);
if (!ctx->input.keyboard_focus_in())
break;
if (!ctx->input.keyboard_focus_in())
break;
}
nCount = freerdp_get_event_handles(context, handles, ARRAYSIZE(handles));
if (nCount == 0)
{
WLog_Print(sdl->log, WLOG_ERROR, "freerdp_get_event_handles failed");
break;
}
status = WaitForMultipleObjects(nCount, handles, FALSE, 100);
if (status == WAIT_FAILED)
{
if (client_auto_reconnect(instance))
continue;
else
{
/*
* Indicate an unsuccessful connection attempt if reconnect
* did not succeed and no other error was specified.
*/
if (freerdp_error_info(instance) == 0)
exit_code = SDL_EXIT_CONN_FAILED;
}
if (freerdp_get_last_error(context) == FREERDP_ERROR_SUCCESS)
WLog_Print(sdl->log, WLOG_ERROR, "WaitForMultipleObjects failed with %" PRIu32 "",
status);
break;
}
if (!freerdp_check_event_handles(context))
{
if (freerdp_get_last_error(context) == FREERDP_ERROR_SUCCESS)
WLog_Print(sdl->log, WLOG_ERROR, "Failed to check FreeRDP event handles");
break;
}
}
if (exit_code == SDL_EXIT_SUCCESS)
{
DWORD code = 0;
exit_code = error_info_to_error(instance, &code);
if ((code == ERRINFO_LOGOFF_BY_USER) &&
(freerdp_get_disconnect_ultimatum(context) == Disconnect_Ultimatum_user_requested))
{
/* This situation might be limited to Windows XP. */
WLog_Print(sdl->log, WLOG_INFO,
"Error info says user did not initiate but disconnect ultimatum says "
"they did; treat this as a user logoff");
exit_code = SDL_EXIT_LOGOFF;
}
}
freerdp_disconnect(instance);
terminate:
if (freerdp_settings_get_bool(settings, FreeRDP_AuthenticationOnly))
WLog_Print(sdl->log, WLOG_INFO, "Authentication only, exit status %s [%" PRId32 "]",
sdl_map_to_code_tag(exit_code), exit_code);
sdl->exit_code = exit_code;
sdl_push_user_event(SDL_USEREVENT_QUIT);
#if SDL_VERSION_ATLEAST(2, 0, 16)
SDL_TLSCleanup();
#endif
return 0;
}
/* Optional global initializer.
* Here we just register a signal handler to print out stack traces
* if available. */
static BOOL sdl_client_global_init(void)
{
#if defined(_WIN32)
WSADATA wsaData = { 0 };
const DWORD wVersionRequested = MAKEWORD(1, 1);
const int rc = WSAStartup(wVersionRequested, &wsaData);
if (rc != 0)
{
WLog_ERR(SDL_TAG, "WSAStartup failed with %s [%d]", gai_strerrorA(rc), rc);
return FALSE;
}
#endif
if (freerdp_handle_signals() != 0)
return FALSE;
return TRUE;
}
/* Optional global tear down */
static void sdl_client_global_uninit(void)
{
#if defined(_WIN32)
WSACleanup();
#endif
}
static BOOL sdl_client_new(freerdp* instance, rdpContext* context)
{
auto sdl = reinterpret_cast<sdl_rdp_context*>(context);
if (!instance || !context)
return FALSE;
sdl->sdl = new SdlContext(context);
if (!sdl->sdl)
return FALSE;
instance->PreConnect = sdl_pre_connect;
instance->PostConnect = sdl_post_connect;
instance->PostDisconnect = sdl_post_disconnect;
instance->PostFinalDisconnect = sdl_post_final_disconnect;
instance->AuthenticateEx = sdl_authenticate_ex;
instance->VerifyCertificateEx = sdl_verify_certificate_ex;
instance->VerifyChangedCertificateEx = sdl_verify_changed_certificate_ex;
instance->LogonErrorInfo = sdl_logon_error_info;
instance->PresentGatewayMessage = sdl_present_gateway_message;
#ifdef WITH_WEBVIEW
instance->GetAccessToken = sdl_webview_get_access_token;
#else
instance->GetAccessToken = client_cli_get_access_token;
#endif
/* TODO: Client display set up */
return TRUE;
}
static void sdl_client_free(freerdp* instance, rdpContext* context)
{
auto sdl = reinterpret_cast<sdl_rdp_context*>(context);
if (!context)
return;
delete sdl->sdl;
}
static int sdl_client_start(rdpContext* context)
{
auto sdl = get_context(context);
WINPR_ASSERT(sdl);
sdl->thread = std::thread(sdl_client_thread_proc, sdl);
return 0;
}
static int sdl_client_stop(rdpContext* context)
{
auto sdl = get_context(context);
WINPR_ASSERT(sdl);
/* We do not want to use freerdp_abort_connect_context here.
* It would change the exit code and we do not want that. */
HANDLE event = freerdp_abort_event(context);
if (!SetEvent(event))
return -1;
sdl->thread.join();
return 0;
}
static int RdpClientEntry(RDP_CLIENT_ENTRY_POINTS* pEntryPoints)
{
WINPR_ASSERT(pEntryPoints);
ZeroMemory(pEntryPoints, sizeof(RDP_CLIENT_ENTRY_POINTS));
pEntryPoints->Version = RDP_CLIENT_INTERFACE_VERSION;
pEntryPoints->Size = sizeof(RDP_CLIENT_ENTRY_POINTS_V1);
pEntryPoints->GlobalInit = sdl_client_global_init;
pEntryPoints->GlobalUninit = sdl_client_global_uninit;
pEntryPoints->ContextSize = sizeof(sdl_rdp_context);
pEntryPoints->ClientNew = sdl_client_new;
pEntryPoints->ClientFree = sdl_client_free;
pEntryPoints->ClientStart = sdl_client_start;
pEntryPoints->ClientStop = sdl_client_stop;
return 0;
}
static void context_free(sdl_rdp_context* sdl)
{
if (sdl)
freerdp_client_context_free(&sdl->common.context);
}
static const char* category2str(int category)
{
switch (category)
{
case SDL_LOG_CATEGORY_APPLICATION:
return "SDL_LOG_CATEGORY_APPLICATION";
case SDL_LOG_CATEGORY_ERROR:
return "SDL_LOG_CATEGORY_ERROR";
case SDL_LOG_CATEGORY_ASSERT:
return "SDL_LOG_CATEGORY_ASSERT";
case SDL_LOG_CATEGORY_SYSTEM:
return "SDL_LOG_CATEGORY_SYSTEM";
case SDL_LOG_CATEGORY_AUDIO:
return "SDL_LOG_CATEGORY_AUDIO";
case SDL_LOG_CATEGORY_VIDEO:
return "SDL_LOG_CATEGORY_VIDEO";
case SDL_LOG_CATEGORY_RENDER:
return "SDL_LOG_CATEGORY_RENDER";
case SDL_LOG_CATEGORY_INPUT:
return "SDL_LOG_CATEGORY_INPUT";
case SDL_LOG_CATEGORY_TEST:
return "SDL_LOG_CATEGORY_TEST";
case SDL_LOG_CATEGORY_RESERVED1:
return "SDL_LOG_CATEGORY_RESERVED1";
case SDL_LOG_CATEGORY_RESERVED2:
return "SDL_LOG_CATEGORY_RESERVED2";
case SDL_LOG_CATEGORY_RESERVED3:
return "SDL_LOG_CATEGORY_RESERVED3";
case SDL_LOG_CATEGORY_RESERVED4:
return "SDL_LOG_CATEGORY_RESERVED4";
case SDL_LOG_CATEGORY_RESERVED5:
return "SDL_LOG_CATEGORY_RESERVED5";
case SDL_LOG_CATEGORY_RESERVED6:
return "SDL_LOG_CATEGORY_RESERVED6";
case SDL_LOG_CATEGORY_RESERVED7:
return "SDL_LOG_CATEGORY_RESERVED7";
case SDL_LOG_CATEGORY_RESERVED8:
return "SDL_LOG_CATEGORY_RESERVED8";
case SDL_LOG_CATEGORY_RESERVED9:
return "SDL_LOG_CATEGORY_RESERVED9";
case SDL_LOG_CATEGORY_RESERVED10:
return "SDL_LOG_CATEGORY_RESERVED10";
case SDL_LOG_CATEGORY_CUSTOM:
default:
return "SDL_LOG_CATEGORY_CUSTOM";
}
}
static SDL_LogPriority wloglevel2dl(DWORD level)
{
switch (level)
{
case WLOG_TRACE:
return SDL_LOG_PRIORITY_VERBOSE;
case WLOG_DEBUG:
return SDL_LOG_PRIORITY_DEBUG;
case WLOG_INFO:
return SDL_LOG_PRIORITY_INFO;
case WLOG_WARN:
return SDL_LOG_PRIORITY_WARN;
case WLOG_ERROR:
return SDL_LOG_PRIORITY_ERROR;
case WLOG_FATAL:
return SDL_LOG_PRIORITY_CRITICAL;
case WLOG_OFF:
default:
return SDL_LOG_PRIORITY_VERBOSE;
}
}
static DWORD sdlpriority2wlog(SDL_LogPriority priority)
{
DWORD level = WLOG_OFF;
switch (priority)
{
case SDL_LOG_PRIORITY_VERBOSE:
level = WLOG_TRACE;
break;
case SDL_LOG_PRIORITY_DEBUG:
level = WLOG_DEBUG;
break;
case SDL_LOG_PRIORITY_INFO:
level = WLOG_INFO;
break;
case SDL_LOG_PRIORITY_WARN:
level = WLOG_WARN;
break;
case SDL_LOG_PRIORITY_ERROR:
level = WLOG_ERROR;
break;
case SDL_LOG_PRIORITY_CRITICAL:
level = WLOG_FATAL;
break;
default:
break;
}
return level;
}
static void SDLCALL winpr_LogOutputFunction(void* userdata, int category, SDL_LogPriority priority,
const char* message)
{
auto sdl = static_cast<SdlContext*>(userdata);
WINPR_ASSERT(sdl);
const DWORD level = sdlpriority2wlog(priority);
auto log = sdl->log;
if (!WLog_IsLevelActive(log, level))
return;
WLog_PrintMessage(log, WLOG_MESSAGE_TEXT, level, __LINE__, __FILE__, __func__, "[%s] %s",
category2str(category), message);
}
int main(int argc, char* argv[])
{
int rc = -1;
int status;
RDP_CLIENT_ENTRY_POINTS clientEntryPoints = {};
freerdp_client_warn_experimental(argc, argv);
RdpClientEntry(&clientEntryPoints);
std::unique_ptr<sdl_rdp_context, void (*)(sdl_rdp_context*)> sdl_rdp(
reinterpret_cast<sdl_rdp_context*>(freerdp_client_context_new(&clientEntryPoints)),
context_free);
if (!sdl_rdp)
return -1;
auto sdl = sdl_rdp->sdl;
auto settings = sdl->context()->settings;
WINPR_ASSERT(settings);
status = freerdp_client_settings_parse_command_line(settings, argc, argv, FALSE);
if (status)
{
rc = freerdp_client_settings_command_line_status_print(settings, status, argc, argv);
if (settings->ListMonitors)
sdl_list_monitors(sdl);
return rc;
}
SDL_LogSetOutputFunction(winpr_LogOutputFunction, sdl);
auto level = WLog_GetLogLevel(sdl->log);
SDL_LogSetAllPriority(wloglevel2dl(level));
auto context = sdl->context();
WINPR_ASSERT(context);
if (!stream_dump_register_handlers(context, CONNECTION_STATE_MCS_CREATE_REQUEST, FALSE))
return -1;
if (freerdp_client_start(context) != 0)
return -1;
rc = sdl_run(sdl);
if (freerdp_client_stop(context) != 0)
return -1;
rc = sdl->exit_code;
return rc;
}
BOOL SdlContext::update_fullscreen(BOOL enter)
{
std::lock_guard<CriticalSection> lock(critical);
for (const auto& window : windows)
{
if (!sdl_push_user_event(SDL_USEREVENT_WINDOW_FULLSCREEN, window.window, enter))
return FALSE;
}
fullscreen = enter;
return TRUE;
}
BOOL SdlContext::update_resizeable(BOOL enable)
{
std::lock_guard<CriticalSection> lock(critical);
const auto settings = context()->settings;
const BOOL dyn = freerdp_settings_get_bool(settings, FreeRDP_DynamicResolutionUpdate);
const BOOL smart = freerdp_settings_get_bool(settings, FreeRDP_SmartSizing);
BOOL use = (dyn && enable) || smart;
for (const auto& window : windows)
{
if (!sdl_push_user_event(SDL_USEREVENT_WINDOW_RESIZEABLE, window.window, use))
return FALSE;
}
resizeable = use;
return TRUE;
}
SdlContext::SdlContext(rdpContext* context)
: _context(context), log(WLog_Get(SDL_TAG)), update_complete(true), disp(this), input(this),
primary(nullptr, SDL_FreeSurface), primary_format(nullptr, SDL_FreeFormat)
{
}
rdpContext* SdlContext::context() const
{
return _context;
}
rdpClientContext* SdlContext::common() const
{
return reinterpret_cast<rdpClientContext*>(_context);
}
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