TestClientTouch.c

 
#include <stdio.h>
#include <winpr/crt.h>
#include <freerdp/client.h>
#include <freerdp/input.h>
 
#include "../../../libfreerdp/core/connection.h"
 
static UINT16 g_events[16];
static size_t g_count = 0;
 
static BOOL record_mouse(WINPR_ATTR_UNUSED rdpInput* input, UINT16 flags,
                         WINPR_ATTR_UNUSED UINT16 x, WINPR_ATTR_UNUSED UINT16 y)
{
  if (g_count < ARRAYSIZE(g_events))
    g_events[g_count] = flags;
  g_count++;
  return TRUE;
}
 
/* the button flags of every recorded event, the pointer move bit aside */
static BOOL expect(const char* what, const UINT16* want, size_t count)
{
  const UINT16 mask = PTR_FLAGS_DOWN | PTR_FLAGS_BUTTON1 | PTR_FLAGS_BUTTON2 | PTR_FLAGS_BUTTON3;
  BOOL ok = (g_count == count);
  for (size_t x = 0; ok && (x < count); x++)
    ok = ((g_events[x] & mask) == want[x]);
  if (!ok)
  {
    (void)fprintf(stderr, "%s: got %" PRIuz " events:", what, g_count);
    for (size_t x = 0; (x < g_count) && (x < ARRAYSIZE(g_events)); x++)
      (void)fprintf(stderr, " 0x%04" PRIx16, (UINT16)(g_events[x] & mask));
    (void)fprintf(stderr, ", wanted %" PRIuz ":", count);
    for (size_t x = 0; x < count; x++)
      (void)fprintf(stderr, " 0x%04" PRIx16, want[x]);
    (void)fprintf(stderr, "\n");
  }
  g_count = 0;
  return ok;
}
 
int TestClientTouch(int argc, char* argv[])
{
  WINPR_UNUSED(argc);
  WINPR_UNUSED(argv);
 
  int rc = -1;
  RDP_CLIENT_ENTRY_POINTS entry = WINPR_C_ARRAY_INIT;
  entry.Version = RDP_CLIENT_INTERFACE_VERSION;
  entry.Size = sizeof(entry);
  entry.ContextSize = sizeof(rdpClientContext);
 
  rdpContext* context = freerdp_client_context_new(&entry);
  if (!context)
    goto fail;
  rdpClientContext* cctx = (rdpClientContext*)context;
 
  /* a connected session without the RDPEI channel: touch is sent as mouse buttons */
  if (!rdp_client_transition_to_state(context->rdp, CONNECTION_STATE_ACTIVE))
    goto fail;
  context->input->MouseEvent = record_mouse;
 
  {
    /* one finger: a tap is a left click */
    const UINT16 tap[] = { PTR_FLAGS_DOWN | PTR_FLAGS_BUTTON1, PTR_FLAGS_BUTTON1 };
    if (!freerdp_client_handle_touch(cctx, FREERDP_TOUCH_DOWN, 1, 0, 100, 200) ||
        !freerdp_client_handle_touch(cctx, FREERDP_TOUCH_UP, 1, 0, 100, 200) ||
        !expect("one finger", tap, ARRAYSIZE(tap)))
      goto fail;
  }
 
  {
    /* a second finger down while the first is held is the second button */
    const UINT16 two[] = { PTR_FLAGS_DOWN | PTR_FLAGS_BUTTON1,
                         PTR_FLAGS_DOWN | PTR_FLAGS_BUTTON2, PTR_FLAGS_BUTTON2,
                         PTR_FLAGS_BUTTON1 };
    if (!freerdp_client_handle_touch(cctx, FREERDP_TOUCH_DOWN, 1, 0, 100, 200) ||
        !freerdp_client_handle_touch(cctx, FREERDP_TOUCH_DOWN, 2, 0, 150, 200) ||
        !freerdp_client_handle_touch(cctx, FREERDP_TOUCH_UP, 2, 0, 150, 200) ||
        !freerdp_client_handle_touch(cctx, FREERDP_TOUCH_UP, 1, 0, 100, 200) ||
        !expect("two fingers", two, ARRAYSIZE(two)))
      goto fail;
  }
 
  rc = 0;
fail:
  freerdp_client_context_free(context);
  return rc;
}