mf_client.m

 
#include <freerdp/config.h>
 
#include "mfreerdp.h"
 
#include <winpr/assert.h>
 
#include <freerdp/constants.h>
#include <freerdp/utils/signal.h>
#include <freerdp/client/cmdline.h>
 
#include "MRDPView.h"
 
static BOOL mfreerdp_client_global_init(void)
{
  freerdp_handle_signals();
  return TRUE;
}
 
static void mfreerdp_client_global_uninit(void)
{
}
 
static int mfreerdp_client_start(rdpContext *context)
{
  MRDPView *view;
  mfContext *mfc = (mfContext *)context;
 
  if (mfc->view == NULL)
  {
    // view not specified beforehand. Create view dynamically
    mfc->view = [[MRDPView alloc]
        initWithFrame:NSMakeRect(
                          0, 0,
                          freerdp_settings_get_uint32(context->settings, FreeRDP_DesktopWidth),
                          freerdp_settings_get_uint32(context->settings,
                                                      FreeRDP_DesktopHeight))];
    mfc->view_ownership = TRUE;
  }
 
  view = (MRDPView *)mfc->view;
  return [view rdpStart:context];
}
 
static int mfreerdp_client_stop(rdpContext *context)
{
  mfContext *mfc = (mfContext *)context;
 
  freerdp_client_common_stop(context);
 
  if (mfc->view_ownership)
  {
    MRDPView *view = (MRDPView *)mfc->view;
    [view releaseResources];
    [view release];
    mfc->view = nil;
  }
 
  return 0;
}
 
static BOOL mfreerdp_client_new(freerdp *instance, rdpContext *context)
{
  mfContext *mfc;
 
  WINPR_ASSERT(instance);
 
  mfc = (mfContext *)instance->context;
  WINPR_ASSERT(mfc);
 
  mfc->stopEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
  if (!mfc->stopEvent)
    return FALSE;
  context->instance->PreConnect = mac_pre_connect;
  context->instance->PostConnect = mac_post_connect;
  context->instance->PostDisconnect = mac_post_disconnect;
  context->instance->AuthenticateEx = mac_authenticate_ex;
  context->instance->VerifyCertificateEx = mac_verify_certificate_ex;
  context->instance->VerifyChangedCertificateEx = mac_verify_changed_certificate_ex;
  context->instance->LogonErrorInfo = mac_logon_error_info;
  return TRUE;
}
 
static void mfreerdp_client_free(freerdp *instance, rdpContext *context)
{
  mfContext *mfc;
 
  if (!instance || !context)
    return;
 
  mfc = (mfContext *)instance->context;
  (void)CloseHandle(mfc->stopEvent);
}
 
static void mf_scale_mouse_coordinates(mfContext *mfc, UINT16 *px, UINT16 *py)
{
  UINT16 x = *px;
  UINT16 y = *py;
  UINT32 ww = mfc->client_width;
  UINT32 wh = mfc->client_height;
  UINT32 dw = freerdp_settings_get_uint32(mfc->common.context.settings, FreeRDP_DesktopWidth);
  UINT32 dh = freerdp_settings_get_uint32(mfc->common.context.settings, FreeRDP_DesktopHeight);
 
  if (!freerdp_settings_get_bool(mfc->common.context.settings, FreeRDP_SmartSizing) ||
      ((ww == dw) && (wh == dh)))
  {
    y = y + mfc->yCurrentScroll;
    x = x + mfc->xCurrentScroll;
 
    y -= (dh - wh);
    x -= (dw - ww);
  }
  else
  {
    y = y * dh / wh + mfc->yCurrentScroll;
    x = x * dw / ww + mfc->xCurrentScroll;
  }
 
  *px = x;
  *py = y;
}
 
void mf_scale_mouse_event(void *context, UINT16 flags, UINT16 x, UINT16 y)
{
  mfContext *mfc = (mfContext *)context;
  MRDPView *view = (MRDPView *)mfc->view;
  // Convert to windows coordinates
  y = [view frame].size.height - y;
 
  if ((flags & (PTR_FLAGS_WHEEL | PTR_FLAGS_HWHEEL)) == 0)
    mf_scale_mouse_coordinates(mfc, &x, &y);
  freerdp_client_send_button_event(&mfc->common, FALSE, flags, x, y);
}
 
void mf_scale_mouse_event_ex(void *context, UINT16 flags, UINT16 x, UINT16 y)
{
  mfContext *mfc = (mfContext *)context;
  MRDPView *view = (MRDPView *)mfc->view;
  // Convert to windows coordinates
  y = [view frame].size.height - y;
 
  mf_scale_mouse_coordinates(mfc, &x, &y);
  freerdp_client_send_extended_button_event(&mfc->common, FALSE, flags, x, y);
}
 
void mf_press_mouse_button(void *context, int button, int x, int y, BOOL down)
{
  UINT16 flags = 0;
  UINT16 xflags = 0;
 
  if (down)
  {
    flags |= PTR_FLAGS_DOWN;
    xflags |= PTR_XFLAGS_DOWN;
  }
 
  switch (button)
  {
    case 0:
      mf_scale_mouse_event(context, flags | PTR_FLAGS_BUTTON1, x, y);
      break;
 
    case 1:
      mf_scale_mouse_event(context, flags | PTR_FLAGS_BUTTON2, x, y);
      break;
 
    case 2:
      mf_scale_mouse_event(context, flags | PTR_FLAGS_BUTTON3, x, y);
      break;
 
    case 3:
      mf_scale_mouse_event_ex(context, xflags | PTR_XFLAGS_BUTTON1, x, y);
      break;
 
    case 4:
      mf_scale_mouse_event_ex(context, xflags | PTR_XFLAGS_BUTTON2, x, y);
      break;
 
    default:
      break;
  }
}
 
int RdpClientEntry(RDP_CLIENT_ENTRY_POINTS *pEntryPoints)
{
  WINPR_ASSERT(pEntryPoints);
 
  pEntryPoints->Version = 1;
  pEntryPoints->Size = sizeof(RDP_CLIENT_ENTRY_POINTS_V1);
  pEntryPoints->GlobalInit = mfreerdp_client_global_init;
  pEntryPoints->GlobalUninit = mfreerdp_client_global_uninit;
  pEntryPoints->ContextSize = sizeof(mfContext);
  pEntryPoints->ClientNew = mfreerdp_client_new;
  pEntryPoints->ClientFree = mfreerdp_client_free;
  pEntryPoints->ClientStart = mfreerdp_client_start;
  pEntryPoints->ClientStop = mfreerdp_client_stop;
  return 0;
}