Beispiel #1
0
static int
do_mouse_event (MOUSE_EVENT_RECORD *event,
		struct input_event *emacs_ev)
{
  static DWORD button_state = 0;
  DWORD but_change, mask;
  int i;

  if (event->dwEventFlags == MOUSE_MOVED)
    {
      /* For movement events we just note that the mouse has moved
	 so that emacs will generate drag events.  */
      mouse_moved_to (event->dwMousePosition.X, event->dwMousePosition.Y);
      return 0;
    }

  /* It looks like the console code sends us a mouse event with
     dwButtonState == 0 when a window is activated.  Ignore this case.  */
  if (event->dwButtonState == button_state)
    return 0;

  emacs_ev->kind = MOUSE_CLICK_EVENT;

  /* Find out what button has changed state since the last button event.  */
  but_change = button_state ^ event->dwButtonState;
  mask = 1;
  for (i = 0; mask; i++, mask <<= 1)
    if (but_change & mask)
      {
        if (i < NUM_TRANSLATED_MOUSE_BUTTONS)
          emacs_ev->code = emacs_button_translation[i];
        else
          emacs_ev->code = i;
	break;
      }

  button_state = event->dwButtonState;
  emacs_ev->timestamp = GetTickCount ();
  emacs_ev->modifiers = w32_kbd_mods_to_emacs (event->dwControlKeyState, 0) |
    ((event->dwButtonState & mask) ? down_modifier : up_modifier);

  XSETFASTINT (emacs_ev->x, event->dwMousePosition.X);
  XSETFASTINT (emacs_ev->y, event->dwMousePosition.Y);
/* for Mule 2.2 (Based on Emacs 19.28 */
#ifdef MULE
  XSET (emacs_ev->frame_or_window, Lisp_Frame, get_frame ());
#else
  XSETFRAME (emacs_ev->frame_or_window, get_frame ());
#endif

  return 1;
}
Beispiel #2
0
static int
do_mouse_event (MOUSE_EVENT_RECORD *event,
		struct input_event *emacs_ev)
{
  static DWORD button_state = 0;
  static Lisp_Object last_mouse_window;
  DWORD but_change, mask;
  int i;

  if (event->dwEventFlags == MOUSE_MOVED)
    {
      FRAME_PTR f = SELECTED_FRAME ();
      Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
      int mx = event->dwMousePosition.X, my = event->dwMousePosition.Y;

      mouse_moved_to (mx, my);

      if (f->mouse_moved)
	{
	  if (hlinfo->mouse_face_hidden)
	    {
	      hlinfo->mouse_face_hidden = 0;
	      clear_mouse_face (hlinfo);
	    }

	  /* Generate SELECT_WINDOW_EVENTs when needed.  */
	  if (!NILP (Vmouse_autoselect_window))
	    {
	      Lisp_Object mouse_window = window_from_coordinates (f, mx, my,
								  0, 0);
	      /* A window will be selected only when it is not
		 selected now, and the last mouse movement event was
		 not in it.  A minibuffer window will be selected iff
		 it is active.  */
	      if (WINDOWP (mouse_window)
		  && !EQ (mouse_window, last_mouse_window)
		  && !EQ (mouse_window, selected_window))
		{
		  struct input_event event;

		  EVENT_INIT (event);
		  event.kind = SELECT_WINDOW_EVENT;
		  event.frame_or_window = mouse_window;
		  event.arg = Qnil;
		  event.timestamp = movement_time;
		  kbd_buffer_store_event (&event);
		}
	      last_mouse_window = mouse_window;
	    }
	  else
	    last_mouse_window = Qnil;

	  previous_help_echo_string = help_echo_string;
	  help_echo_string = help_echo_object = help_echo_window = Qnil;
	  help_echo_pos = -1;
	  note_mouse_highlight (f, mx, my);
	  /* If the contents of the global variable help_echo has
	     changed (inside note_mouse_highlight), generate a HELP_EVENT.  */
	  if (!NILP (help_echo_string) || !NILP (previous_help_echo_string))
	    gen_help_event (help_echo_string, selected_frame, help_echo_window,
			    help_echo_object, help_echo_pos);
	}
      return 0;
    }

  /* It looks like the console code sends us a mouse event with
     dwButtonState == 0 when a window is activated.  Ignore this case.  */
  if (event->dwButtonState == button_state)
    return 0;

  emacs_ev->kind = MOUSE_CLICK_EVENT;

  /* Find out what button has changed state since the last button event.  */
  but_change = button_state ^ event->dwButtonState;
  mask = 1;
  for (i = 0; mask; i++, mask <<= 1)
    if (but_change & mask)
      {
        if (i < NUM_TRANSLATED_MOUSE_BUTTONS)
          emacs_ev->code = emacs_button_translation[i];
        else
          emacs_ev->code = i;
	break;
      }

  button_state = event->dwButtonState;
  emacs_ev->timestamp = GetTickCount ();
  emacs_ev->modifiers = w32_kbd_mods_to_emacs (event->dwControlKeyState, 0) |
    ((event->dwButtonState & mask) ? down_modifier : up_modifier);

  XSETFASTINT (emacs_ev->x, event->dwMousePosition.X);
  XSETFASTINT (emacs_ev->y, event->dwMousePosition.Y);
/* for Mule 2.2 (Based on Emacs 19.28 */
#ifdef MULE
  XSET (emacs_ev->frame_or_window, Lisp_Frame, get_frame ());
#else
  XSETFRAME (emacs_ev->frame_or_window, get_frame ());
#endif

  return 1;
}
Beispiel #3
0
/* return code -1 means that event_queue_ptr won't be incremented.
   In other word, this event makes two key codes.   (by himi)       */
static int
key_event (KEY_EVENT_RECORD *event, struct input_event *emacs_ev, int *isdead)
{
  static int mod_key_state = 0;
  int wParam;

  *isdead = 0;

  /* Skip key-up events.  */
  if (!event->bKeyDown)
    {
      switch (event->wVirtualKeyCode)
	{
	case VK_LWIN:
	  mod_key_state &= ~LEFT_WIN_PRESSED;
	  break;
	case VK_RWIN:
	  mod_key_state &= ~RIGHT_WIN_PRESSED;
	  break;
	case VK_APPS:
	  mod_key_state &= ~APPS_PRESSED;
	  break;
	}
      return 0;
    }

  /* Ignore keystrokes we fake ourself; see below.  */
  if (faked_key == event->wVirtualKeyCode)
    {
      faked_key = 0;
      return 0;
    }

  /* To make it easier to debug this code, ignore modifier keys!  */
  switch (event->wVirtualKeyCode)
    {
    case VK_LWIN:
      if (NILP (Vw32_pass_lwindow_to_system))
	{
	  /* Prevent system from acting on keyup (which opens the Start
	     menu if no other key was pressed) by simulating a press of
	     Space which we will ignore.  */
	  if ((mod_key_state & LEFT_WIN_PRESSED) == 0)
	    {
	      if (NUMBERP (Vw32_phantom_key_code))
		faked_key = XUINT (Vw32_phantom_key_code) & 255;
	      else
		faked_key = VK_SPACE;
	      keybd_event (faked_key, (BYTE) MapVirtualKey (faked_key, 0), 0, 0);
	    }
	}
      mod_key_state |= LEFT_WIN_PRESSED;
      if (!NILP (Vw32_lwindow_modifier))
	return 0;
      break;
    case VK_RWIN:
      if (NILP (Vw32_pass_rwindow_to_system))
	{
	  if ((mod_key_state & RIGHT_WIN_PRESSED) == 0)
	    {
	      if (NUMBERP (Vw32_phantom_key_code))
		faked_key = XUINT (Vw32_phantom_key_code) & 255;
	      else
		faked_key = VK_SPACE;
	      keybd_event (faked_key, (BYTE) MapVirtualKey (faked_key, 0), 0, 0);
	    }
	}
      mod_key_state |= RIGHT_WIN_PRESSED;
      if (!NILP (Vw32_rwindow_modifier))
	return 0;
      break;
    case VK_APPS:
      mod_key_state |= APPS_PRESSED;
      if (!NILP (Vw32_apps_modifier))
	return 0;
      break;
    case VK_CAPITAL:
      /* Decide whether to treat as modifier or function key.  */
      if (NILP (Vw32_enable_caps_lock))
	goto disable_lock_key;
      return 0;
    case VK_NUMLOCK:
      /* Decide whether to treat as modifier or function key.  */
      if (NILP (Vw32_enable_num_lock))
	goto disable_lock_key;
      return 0;
    case VK_SCROLL:
      /* Decide whether to treat as modifier or function key.  */
      if (NILP (Vw32_scroll_lock_modifier))
	goto disable_lock_key;
      return 0;
    disable_lock_key:
      /* Ensure the appropriate lock key state is off (and the
	 indicator light as well).  */
      wParam = event->wVirtualKeyCode;
      if (GetAsyncKeyState (wParam) & 0x8000)
	{
	  /* Fake another press of the relevant key.  Apparently, this
	     really is the only way to turn off the indicator.  */
	  faked_key = wParam;
	  keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
		       KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
	  keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
		       KEYEVENTF_EXTENDEDKEY | 0, 0);
	  keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
		       KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
	}
      break;
    case VK_MENU:
    case VK_CONTROL:
    case VK_SHIFT:
      return 0;
    case VK_CANCEL:
      /* Windows maps Ctrl-Pause (aka Ctrl-Break) into VK_CANCEL,
	 which is confusing for purposes of key binding; convert
	 VK_CANCEL events into VK_PAUSE events.  */
      event->wVirtualKeyCode = VK_PAUSE;
      break;
    case VK_PAUSE:
      /* Windows maps Ctrl-NumLock into VK_PAUSE, which is confusing
	 for purposes of key binding; convert these back into
	 VK_NUMLOCK events, at least when we want to see NumLock key
	 presses.  (Note that there is never any possibility that
	 VK_PAUSE with Ctrl really is C-Pause as per above.)  */
      if (NILP (Vw32_enable_num_lock)
	  && (event->dwControlKeyState
	      & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) != 0)
	event->wVirtualKeyCode = VK_NUMLOCK;
      break;
    }

  /* Recognize state of Windows and Apps keys.  */
  event->dwControlKeyState |= mod_key_state;

  /* Distinguish numeric keypad keys from extended keys.  */
  event->wVirtualKeyCode =
    map_keypad_keys (event->wVirtualKeyCode,
		     (event->dwControlKeyState & ENHANCED_KEY));

  if (lispy_function_keys[event->wVirtualKeyCode] == 0)
    {
      if (!NILP (Vw32_recognize_altgr)
	  && (event->dwControlKeyState & LEFT_CTRL_PRESSED)
	  && (event->dwControlKeyState & RIGHT_ALT_PRESSED))
	{
	  /* Don't try to interpret AltGr key chords; ToAscii seems not
	     to process them correctly.  */
	}
      /* Handle key chords including any modifiers other than shift
         directly, in order to preserve as much modifier information as
         possible.  */
      else if (event->dwControlKeyState
	       & (  RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED
		  | RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED
		  | (!NILP (Vw32_lwindow_modifier) ? LEFT_WIN_PRESSED : 0)
		  | (!NILP (Vw32_rwindow_modifier) ? RIGHT_WIN_PRESSED : 0)
		  | (!NILP (Vw32_apps_modifier) ? APPS_PRESSED : 0)
		  | (!NILP (Vw32_scroll_lock_modifier) ? SCROLLLOCK_ON : 0)))
	{
	  /* Don't translate modified alphabetic keystrokes, so the user
	     doesn't need to constantly switch layout to type control or
	     meta keystrokes when the normal layout translates
	     alphabetic characters to non-ascii characters.  */
	  if ('A' <= event->wVirtualKeyCode && event->wVirtualKeyCode <= 'Z')
	    {
	      event->uChar.AsciiChar = event->wVirtualKeyCode;
	      if ((event->dwControlKeyState & SHIFT_PRESSED) == 0)
		event->uChar.AsciiChar += ('a' - 'A');
	    }
	  /* Try to handle unrecognized keystrokes by determining the
             base character (ie. translating the base key plus shift
             modifier).  */
	  else if (event->uChar.AsciiChar == 0)
	    w32_kbd_patch_key (event, -1);
	}

      if (event->uChar.AsciiChar == 0)
	{
	  emacs_ev->kind = NO_EVENT;
	  return 0;
	}
      else if (event->uChar.AsciiChar > 0)
	{
	  /* Pure ASCII characters < 128.  */
	  emacs_ev->kind = ASCII_KEYSTROKE_EVENT;
	  emacs_ev->code = event->uChar.AsciiChar;
	}
      else if (event->uChar.UnicodeChar > 0
	       && w32_console_unicode_input)
	{
	  /* Unicode codepoint; only valid if we are using Unicode
	     console input mode.  */
	  emacs_ev->kind = MULTIBYTE_CHAR_KEYSTROKE_EVENT;
	  emacs_ev->code = event->uChar.UnicodeChar;
	}
      else
	{
	  /* Fallback handling of non-ASCII characters for non-Unicode
	     versions of Windows, and for non-Unicode input on NT
	     family of Windows.  Only characters in the current
	     console codepage are supported by this fallback.  */
	  wchar_t code;
	  char dbcs[2];
          int cpId;

	  /* Get the current console input codepage to interpret this
	     key with.  Note that the system defaults for the OEM
	     codepage could have been changed by calling SetConsoleCP
	     or w32-set-console-codepage, so using GetLocaleInfo to
	     get LOCALE_IDEFAULTCODEPAGE is not TRT here.  */
          cpId = GetConsoleCP ();

	  dbcs[0] = dbcs_lead;
	  dbcs[1] = event->uChar.AsciiChar;
	  if (dbcs_lead)
	    {
	      dbcs_lead = 0;
	      if (!MultiByteToWideChar (cpId, 0, dbcs, 2, &code, 1))
		{
		  /* Garbage  */
		  DebPrint (("Invalid DBCS sequence: %d %d\n",
			     dbcs[0], dbcs[1]));
		  emacs_ev->kind = NO_EVENT;
		}
	    }
	  else if (IsDBCSLeadByteEx (cpId, dbcs[1]))
	    {
	      dbcs_lead = dbcs[1];
	      emacs_ev->kind = NO_EVENT;
	    }
	  else
	    {
	      if (!MultiByteToWideChar (cpId, 0, &dbcs[1], 1, &code, 1))
		{
		  /* Garbage  */
		  DebPrint (("Invalid character: %d\n", dbcs[1]));
		  emacs_ev->kind = NO_EVENT;
		}
	    }
	  emacs_ev->kind = MULTIBYTE_CHAR_KEYSTROKE_EVENT;
	  emacs_ev->code = code;
	}
    }
  else
    {
      /* Function keys and other non-character keys.  */
      emacs_ev->kind = NON_ASCII_KEYSTROKE_EVENT;
      emacs_ev->code = event->wVirtualKeyCode;
    }

  XSETFRAME (emacs_ev->frame_or_window, get_frame ());
  emacs_ev->modifiers = w32_kbd_mods_to_emacs (event->dwControlKeyState,
					       event->wVirtualKeyCode);
  emacs_ev->timestamp = GetTickCount ();
  return 1;
}
Beispiel #4
0
static int
do_mouse_event (MOUSE_EVENT_RECORD *event,
		struct input_event *emacs_ev)
{
  static DWORD button_state = 0;
  static Lisp_Object last_mouse_window;
  DWORD but_change, mask, flags = event->dwEventFlags;
  int i;

  switch (flags)
    {
    case MOUSE_MOVED:
      {
	struct frame *f = get_frame ();
	Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
	int mx = event->dwMousePosition.X, my = event->dwMousePosition.Y;

	mouse_moved_to (mx, my);

	if (f->mouse_moved)
	  {
	    if (hlinfo->mouse_face_hidden)
	      {
		hlinfo->mouse_face_hidden = 0;
		clear_mouse_face (hlinfo);
	      }

	    /* Generate SELECT_WINDOW_EVENTs when needed.  */
	    if (!NILP (Vmouse_autoselect_window))
	      {
		Lisp_Object mouse_window = window_from_coordinates (f, mx, my,
								    0, 0);
		/* A window will be selected only when it is not
		   selected now, and the last mouse movement event was
		   not in it.  A minibuffer window will be selected iff
		   it is active.  */
		if (WINDOWP (mouse_window)
		    && !EQ (mouse_window, last_mouse_window)
		    && !EQ (mouse_window, selected_window))
		  {
		    struct input_event event;

		    EVENT_INIT (event);
		    event.kind = SELECT_WINDOW_EVENT;
		    event.frame_or_window = mouse_window;
		    event.arg = Qnil;
		    event.timestamp = movement_time;
		    kbd_buffer_store_event (&event);
		  }
		last_mouse_window = mouse_window;
	      }
	    else
	      last_mouse_window = Qnil;

	    previous_help_echo_string = help_echo_string;
	    help_echo_string = help_echo_object = help_echo_window = Qnil;
	    help_echo_pos = -1;
	    note_mouse_highlight (f, mx, my);
	    /* If the contents of the global variable help_echo has
	       changed (inside note_mouse_highlight), generate a HELP_EVENT.  */
	    if (!NILP (help_echo_string) || !NILP (previous_help_echo_string))
	      gen_help_event (help_echo_string, selected_frame,
			      help_echo_window, help_echo_object,
			      help_echo_pos);
	  }
	/* We already called kbd_buffer_store_event, so indicate the
	   the caller it shouldn't.  */
	return 0;
      }
    case MOUSE_WHEELED:
    case MOUSE_HWHEELED:
      {
	struct frame *f = get_frame ();
	int mx = event->dwMousePosition.X, my = event->dwMousePosition.Y;
	bool down_p = (event->dwButtonState & 0x10000000) != 0;

	emacs_ev->kind =
	  flags == MOUSE_HWHEELED ? HORIZ_WHEEL_EVENT : WHEEL_EVENT;
	emacs_ev->code = 0;
	emacs_ev->modifiers = down_p ? down_modifier : up_modifier;
	emacs_ev->modifiers |=
	  w32_kbd_mods_to_emacs (event->dwControlKeyState, 0);
	XSETINT (emacs_ev->x, mx);
	XSETINT (emacs_ev->y, my);
	XSETFRAME (emacs_ev->frame_or_window, f);
	emacs_ev->arg = Qnil;
	emacs_ev->timestamp = GetTickCount ();
	return 1;
      }
    case DOUBLE_CLICK:
    default:	/* mouse pressed or released */
      /* It looks like the console code sends us a button-release
	 mouse event with dwButtonState == 0 when a window is
	 activated and when the mouse is first clicked.  Ignore this
	 case.  */
      if (event->dwButtonState == button_state)
	return 0;

      emacs_ev->kind = MOUSE_CLICK_EVENT;

      /* Find out what button has changed state since the last button
	 event.  */
      but_change = button_state ^ event->dwButtonState;
      mask = 1;
      for (i = 0; mask; i++, mask <<= 1)
	if (but_change & mask)
	  {
	    if (i < NUM_TRANSLATED_MOUSE_BUTTONS)
	      emacs_ev->code = emacs_button_translation[i];
	    else
	      emacs_ev->code = i;
	    break;
	  }

      button_state = event->dwButtonState;
      emacs_ev->modifiers =
	w32_kbd_mods_to_emacs (event->dwControlKeyState, 0)
	| ((event->dwButtonState & mask) ? down_modifier : up_modifier);

      XSETFASTINT (emacs_ev->x, event->dwMousePosition.X);
      XSETFASTINT (emacs_ev->y, event->dwMousePosition.Y);
      XSETFRAME (emacs_ev->frame_or_window, get_frame ());
      emacs_ev->arg = Qnil;
      emacs_ev->timestamp = GetTickCount ();

      return 1;
    }
}