SDL3/sdl_channels.cpp

 
#include <freerdp/config.h>
 
#include <winpr/assert.h>
 
#include <freerdp/client/rail.h>
#include <freerdp/client/cliprdr.h>
#include <freerdp/client/disp.h>
#include <freerdp/client/rdpgfx.h>
#include <freerdp/channels/rdpgfx.h>
#include <freerdp/channels/rdpewa.h>
 
#include "sdl_channels.hpp"
#include "sdl_context.hpp"
#include "sdl_disp.hpp"
 
void sdl_OnChannelConnectedEventHandler(void* context, const ChannelConnectedEventArgs* e)
{
  auto sdl = get_context(context);
 
  WINPR_ASSERT(sdl);
  WINPR_ASSERT(e);
 
  if (strcmp(e->name, RAIL_SVC_CHANNEL_NAME) == 0)
  {
    auto rail = reinterpret_cast<RailClientContext*>(e->pInterface);
    WINPR_ASSERT(rail);
 
    if (!sdl->getRailChannelContext().init(rail))
      WLog_Print(sdl->getWLog(), WLOG_WARN, "Failed to initialize RAIL channel");
  }
  else if (strcmp(e->name, CLIPRDR_SVC_CHANNEL_NAME) == 0)
  {
    auto clip = reinterpret_cast<CliprdrClientContext*>(e->pInterface);
    WINPR_ASSERT(clip);
 
    if (!sdl->getClipboardChannelContext().init(clip))
      WLog_Print(sdl->getWLog(), WLOG_WARN, "Failed to initialize clipboard channel");
  }
  else if (strcmp(e->name, DISP_DVC_CHANNEL_NAME) == 0)
  {
    auto disp = reinterpret_cast<DispClientContext*>(e->pInterface);
    WINPR_ASSERT(disp);
 
    if (!sdl->getDisplayChannelContext().init(disp))
      WLog_Print(sdl->getWLog(), WLOG_WARN, "Failed to initialize display channel");
  }
  else if (strcmp(e->name, RDPGFX_DVC_CHANNEL_NAME) == 0)
  {
    /* After the common handler wires the GFX pipeline, override UpdateWindowFromSurface
     * to route window-mapped surfaces to RAIL. */
    freerdp_client_OnChannelConnectedEventHandler(context, e);
    auto gfx = reinterpret_cast<RdpgfxClientContext*>(e->pInterface);
    auto ctx = static_cast<rdpContext*>(context);
    if (gfx && freerdp_settings_get_bool(ctx->settings, FreeRDP_RemoteApplicationMode))
      gfx->UpdateWindowFromSurface = SdlRail::UpdateWindowFromSurface;
  }
  else
    freerdp_client_OnChannelConnectedEventHandler(context, e);
}
 
void sdl_OnChannelDisconnectedEventHandler(void* context, const ChannelDisconnectedEventArgs* e)
{
  auto sdl = get_context(context);
 
  WINPR_ASSERT(sdl);
  WINPR_ASSERT(e);
 
  // TODO: Set resizeable depending on disp channel and /dynamic-resolution
  if (strcmp(e->name, RAIL_SVC_CHANNEL_NAME) == 0)
  {
    auto rail = reinterpret_cast<RailClientContext*>(e->pInterface);
    WINPR_ASSERT(rail);
    sdl->getRailChannelContext().uninit(rail);
    rail->custom = nullptr;
  }
  else if (strcmp(e->name, CLIPRDR_SVC_CHANNEL_NAME) == 0)
  {
    auto clip = reinterpret_cast<CliprdrClientContext*>(e->pInterface);
    WINPR_ASSERT(clip);
 
    if (!sdl->getClipboardChannelContext().uninit(clip))
      WLog_Print(sdl->getWLog(), WLOG_WARN, "Failed to uninitialize clipboard channel");
    clip->custom = nullptr;
  }
  else if (strcmp(e->name, DISP_DVC_CHANNEL_NAME) == 0)
  {
    auto disp = reinterpret_cast<DispClientContext*>(e->pInterface);
    WINPR_ASSERT(disp);
 
    if (!sdl->getDisplayChannelContext().uninit(disp))
      WLog_Print(sdl->getWLog(), WLOG_WARN, "Failed to uninitialize display channel");
    disp->custom = nullptr;
  }
  else
    freerdp_client_OnChannelDisconnectedEventHandler(context, e);
}
 
void sdl_OnUserNotificationEventHandler(void* context, const UserNotificationEventArgs* e)
{
  WINPR_UNUSED(context);
  WINPR_ASSERT(e);
  WINPR_ASSERT(e->e.Sender);
 
  if (strcmp(e->e.Sender, RDPEWA_CHANNEL_NAME) != 0)
    return;
 
  if (e->cancelPreviousNotification)
    return;
 
  struct userdata
  {
    std::string sender;
    std::string message;
    uint32_t timeoutMS = 0;
  };
 
  auto ud = new struct userdata;
  if (e->message)
    ud->message = e->message;
  if (e->e.Sender)
    ud->sender = e->e.Sender;
  ud->timeoutMS = e->timeoutMS;
 
  SDL_RunOnMainThread(
      [](void* userdata)
      {
        auto ed = static_cast<struct userdata*>(userdata);
        assert(ed);
        auto parent = SDL_GetMouseFocus();
        if (!parent)
          parent = SDL_GetKeyboardFocus();
        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_INFORMATION, ed->sender.c_str(),
                                 ed->message.c_str(), parent);
        delete ed;
      },
      ud, false);
}