/* The mswindows event_stream interface. Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. Copyright (C) 1995 Sun Microsystems, Inc. Copyright (C) 1996, 2000 Ben Wing. Copyright (C) 1997 Jonathan Harris. This file is part of XEmacs. XEmacs is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. XEmacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with XEmacs; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Synched up with: Not in FSF. */ /* Authorship: Ultimately based on FSF. Rewritten by Ben Wing. Rewritten for mswindows by Jonathan Harris, November 1997 for 21.0. Subprocess and modal loop support by Kirill M. Katsnelson. */ #include #include "lisp.h" #include "console-msw.h" #ifdef HAVE_SCROLLBARS # include "scrollbar-msw.h" #endif #ifdef HAVE_MENUBARS # include "menubar.h" # include "menubar-msw.h" #endif #ifdef HAVE_DRAGNDROP # include "dragdrop.h" #endif #include "buffer.h" #include "device.h" #include "events.h" #include "faces.h" #include "frame.h" #include "lstream.h" #include "objects-msw.h" #include "process.h" #include "redisplay.h" #include "select.h" #include "sysdep.h" #include "window.h" #include "sysfile.h" #include "sysproc.h" #include "systime.h" #include "syswait.h" #include "events-mod.h" #ifdef HAVE_MSG_SELECT #include "console-tty.h" #elif defined(CYGWIN) typedef unsigned int SOCKET; #endif #if !(defined(CYGWIN) || defined(MINGW)) # include /* For IShellLink */ #endif #ifdef HAVE_MENUBARS #define ADJR_MENUFLAG TRUE #else #define ADJR_MENUFLAG FALSE #endif /* Fake key modifier which is attached to a quit char event. Removed upon dequeueing an event */ #define FAKE_MOD_QUIT (1 << 20) #define FAKE_MOD_QUIT_CRITICAL (1 << 21) /* Timer ID used for button2 emulation */ #define BUTTON_2_TIMER_ID 1 Lisp_Object mswindows_find_frame (HWND hwnd); static Lisp_Object mswindows_find_console (HWND hwnd); static Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods, int extendedp); static int mswindows_modifier_state (BYTE* keymap, DWORD fwKeys, int has_AltGr); static void mswindows_set_chord_timer (HWND hwnd); static int mswindows_button2_near_enough (POINTS p1, POINTS p2); static int mswindows_current_layout_has_AltGr (void); static int mswindows_handle_sticky_modifiers (WPARAM wParam, LPARAM lParam, int downp, int keyp); static struct event_stream *mswindows_event_stream; #ifdef HAVE_MSG_SELECT extern SELECT_TYPE input_wait_mask, non_fake_input_wait_mask; extern SELECT_TYPE process_only_mask, tty_only_mask; SELECT_TYPE zero_mask; extern int signal_event_pipe_initialized; int windows_fd; #endif /* * Two separate queues, for efficiency, one (_u_) for user events, and * another (_s_) for non-user ones. We always return events out of the * first one until it is empty and only then proceed with the second * one. */ static Lisp_Object mswindows_u_dispatch_event_queue, mswindows_u_dispatch_event_queue_tail; static Lisp_Object mswindows_s_dispatch_event_queue, mswindows_s_dispatch_event_queue_tail; /* The number of things we can wait on */ #define MAX_WAITABLE (MAXIMUM_WAIT_OBJECTS - 1) #ifndef HAVE_MSG_SELECT /* List of mswindows waitable handles. */ static HANDLE mswindows_waitable_handles[MAX_WAITABLE]; /* Number of wait handles */ static int mswindows_waitable_count=0; #endif /* HAVE_MSG_SELECT */ /* Brush for painting widgets */ static HBRUSH widget_brush = 0; static LONG last_widget_brushed = 0; /* Count of quit chars currently in the queue */ /* Incremented in WM_[SYS]KEYDOWN handler in the mswindows_wnd_proc() Decremented in mswindows_dequeue_dispatch_event() */ int mswindows_quit_chars_count = 0; /* These are Lisp integers; see DEFVARS in this file for description. */ int mswindows_dynamic_frame_resize; int mswindows_alt_by_itself_activates_menu; Fixnum mswindows_num_mouse_buttons; Fixnum mswindows_mouse_button_max_skew_x; Fixnum mswindows_mouse_button_max_skew_y; Fixnum mswindows_mouse_button_tolerance; #ifdef DEBUG_XEMACS Fixnum debug_mswindows_events; static void debug_output_mswin_message (HWND hwnd, UINT message_, WPARAM wParam, LPARAM lParam); #endif /* This is the event signaled by the event pump. See mswindows_pump_outstanding_events for comments */ static Lisp_Object mswindows_error_caught_in_modal_loop; static int mswindows_in_modal_loop; /* Count of wound timers */ static int mswindows_pending_timers_count; static DWORD mswindows_last_mouse_button_state; /************************************************************************/ /* Pipe instream - reads process output */ /************************************************************************/ #define PIPE_READ_DELAY 20 #define HANDLE_TO_USID(h) ((USID)(h)) #define NTPIPE_SLURP_STREAM_DATA(stream) \ LSTREAM_TYPE_DATA (stream, ntpipe_slurp) /* This structure is allocated by the main thread, and is deallocated in the thread upon exit. There are situations when a thread remains blocked for a long time, much longer than the lstream exists. For example, "start notepad" command is issued from the shell, then the shell is closed by C-c C-d. Although the shell process exits, its output pipe will not get closed until the notepad process exits also, because it inherits the pipe from the shell. In this case, we abandon the thread, and let it live until all such processes exit. While struct ntpipe_slurp_stream is deallocated in this case, ntpipe_slurp_stream_shared_data are not. */ struct ntpipe_slurp_stream_shared_data { HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */ /* This is a manual-reset object. */ HANDLE hev_caller; /* Caller blocks on this, and we signal it */ /* This is a manual-reset object. */ HANDLE hev_unsleep; /* Pipe read delay is canceled if this is set */ /* This is a manual-reset object. */ HANDLE hpipe; /* Pipe read end handle. */ LONG die_p; /* Thread must exit ASAP if non-zero */ BOOL eof_p : 1; /* Set when thread saw EOF */ BOOL error_p : 1; /* Read error other than EOF/broken pipe */ BOOL inuse_p : 1; /* this structure is in use */ LONG lock_count; /* Client count of this struct, 0=safe to free */ BYTE onebyte; /* One byte buffer read by thread */ }; #define MAX_SLURP_STREAMS 32 struct ntpipe_slurp_stream_shared_data shared_data_block[MAX_SLURP_STREAMS]={{0}}; struct ntpipe_slurp_stream { LPARAM user_data; /* Any user data stored in the stream object */ struct ntpipe_slurp_stream_shared_data* thread_data; }; DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-input", lstream_ntpipe_slurp, sizeof (struct ntpipe_slurp_stream)); /* This function is thread-safe, and is called from either thread context. It serializes freeing shared data structure */ static void slurper_free_shared_data_maybe (struct ntpipe_slurp_stream_shared_data* s) { if (InterlockedDecrement (&s->lock_count) == 0) { /* Destroy events */ CloseHandle (s->hev_thread); CloseHandle (s->hev_caller); CloseHandle (s->hev_unsleep); CloseHandle (s->hpipe); s->inuse_p = 0; } } static struct ntpipe_slurp_stream_shared_data* slurper_allocate_shared_data (void) { int i=0; for (i=0; ihpipe, &s->onebyte, 1, &actually_read, NULL)) { DWORD err = GetLastError (); if (err == ERROR_BROKEN_PIPE || err == ERROR_NO_DATA) s->eof_p = TRUE; else s->error_p = TRUE; } else if (actually_read == 0) s->eof_p = TRUE; /* We must terminate on an error or eof */ if (s->eof_p || s->error_p) InterlockedIncrement (&s->die_p); /* Before we notify caller, we unsignal our event. */ ResetEvent (s->hev_thread); /* Now we got something to notify caller, either a byte or an error/eof indication. Before we do, allow internal pipe buffer to accumulate little bit more data. Reader function pulses this event before waiting for a character, to avoid pipe delay, and to get the byte immediately. */ if (!s->die_p) WaitForSingleObject (s->hev_unsleep, PIPE_READ_DELAY); /* Either make event loop generate a process event, or inblock reader */ SetEvent (s->hev_caller); /* Cleanup and exit if we're shot off */ if (s->die_p) break; /* Block until the client finishes with retrieving the rest of pipe data */ WaitForSingleObject (s->hev_thread, INFINITE); } slurper_free_shared_data_maybe (s); return 0; } static Lisp_Object make_ntpipe_input_stream (HANDLE hpipe, LPARAM param) { Lisp_Object obj; Lstream *lstr = Lstream_new (lstream_ntpipe_slurp, "r"); struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA (lstr); DWORD thread_id_unused; HANDLE hthread; /* We deal only with pipes, for we're using PeekNamedPipe api */ assert (GetFileType (hpipe) == FILE_TYPE_PIPE); s->thread_data = slurper_allocate_shared_data(); /* Create reader thread. This could fail, so do not create events until thread is created */ hthread = CreateThread (NULL, 0, slurp_thread, (LPVOID)s->thread_data, CREATE_SUSPENDED, &thread_id_unused); if (hthread == NULL) { Lstream_delete (lstr); s->thread_data->inuse_p=0; return Qnil; } /* Shared data are initially owned by both main and slurper threads. */ s->thread_data->lock_count = 2; s->thread_data->die_p = 0; s->thread_data->eof_p = FALSE; s->thread_data->error_p = FALSE; s->thread_data->hpipe = hpipe; s->user_data = param; /* hev_thread is a manual-reset event, initially signaled */ s->thread_data->hev_thread = CreateEvent (NULL, TRUE, TRUE, NULL); /* hev_caller is a manual-reset event, initially nonsignaled */ s->thread_data->hev_caller = CreateEvent (NULL, TRUE, FALSE, NULL); /* hev_unsleep is a manual-reset event, initially nonsignaled */ s->thread_data->hev_unsleep = CreateEvent (NULL, TRUE, FALSE, NULL); /* Now let it go */ ResumeThread (hthread); CloseHandle (hthread); lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE; XSETLSTREAM (obj, lstr); return obj; } static LPARAM get_ntpipe_input_stream_param (Lstream *stream) { struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream); return s->user_data; } static HANDLE get_ntpipe_input_stream_waitable (Lstream *stream) { struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream); return s->thread_data->hev_caller; } static Lstream_data_count ntpipe_slurp_reader (Lstream *stream, unsigned char *data, Lstream_data_count size) { /* This function must be called from the main thread only */ struct ntpipe_slurp_stream_shared_data* s = NTPIPE_SLURP_STREAM_DATA(stream)->thread_data; if (!s->die_p) { DWORD wait_result; /* Disallow pipe read delay for the thread: we need a character ASAP */ SetEvent (s->hev_unsleep); /* Check if we have a character ready. Give it a short delay, for the thread to awake from pipe delay, just ion case*/ wait_result = WaitForSingleObject (s->hev_caller, 2); /* Revert to the normal sleep behavior. */ ResetEvent (s->hev_unsleep); /* If there's no byte buffered yet, give up */ if (wait_result == WAIT_TIMEOUT) { errno = EAGAIN; return -1; } } /* Reset caller unlock event now, as we've handled the pending process output event */ ResetEvent (s->hev_caller); /* It is now safe to do anything with contents of S, except for changing s->die_p, which still should be interlocked */ if (s->eof_p) return 0; if (s->error_p || s->die_p) return -1; /* Ok, there were no error neither eof - we've got a byte from the pipe */ *(data++) = s->onebyte; --size; { DWORD bytes_read = 0; if (size > 0) { DWORD bytes_available; /* If the api call fails, return at least one byte already read. ReadFile in thread will return error */ if (PeekNamedPipe (s->hpipe, NULL, 0, NULL, &bytes_available, NULL)) { /* Fetch available bytes. The same consideration applies, so do not check for errors. ReadFile in the thread will fail if the next call fails. */ if (bytes_available) ReadFile (s->hpipe, data, min (bytes_available, size), &bytes_read, NULL); } /* Now we can unblock thread, so it attempts to read more */ SetEvent (s->hev_thread); return bytes_read + 1; } } return 0; } static int ntpipe_slurp_closer (Lstream *stream) { /* This function must be called from the main thread only */ struct ntpipe_slurp_stream_shared_data* s = NTPIPE_SLURP_STREAM_DATA(stream)->thread_data; /* Force thread to stop */ InterlockedIncrement (&s->die_p); /* Set events which could possibly block slurper. Let it finish soon or later. */ SetEvent (s->hev_unsleep); SetEvent (s->hev_thread); /* Unlock and maybe free shared data */ slurper_free_shared_data_maybe (s); return 0; } static void init_slurp_stream (void) { LSTREAM_HAS_METHOD (ntpipe_slurp, reader); LSTREAM_HAS_METHOD (ntpipe_slurp, closer); } /************************************************************************/ /* Pipe outstream - writes process input */ /************************************************************************/ #define NTPIPE_SHOVE_STREAM_DATA(stream) \ LSTREAM_TYPE_DATA (stream, ntpipe_shove) #define MAX_SHOVE_BUFFER_SIZE 512 struct ntpipe_shove_stream { LPARAM user_data; /* Any user data stored in the stream object */ HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */ /* This is an auto-reset object. */ HANDLE hpipe; /* Pipe write end handle. */ HANDLE hthread; /* Reader thread handle. */ char buffer[MAX_SHOVE_BUFFER_SIZE]; /* Buffer being written */ DWORD size; /* Number of bytes to write */ LONG die_p; /* Thread must exit ASAP if non-zero */ LONG idle_p; /* Non-zero if thread is waiting for job */ BOOL error_p : 1; /* Read error other than EOF/broken pipe */ BOOL blocking_p : 1;/* Last write attempt would cause blocking */ }; DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-output", lstream_ntpipe_shove, sizeof (struct ntpipe_shove_stream)); #ifndef HAVE_MSG_SELECT static DWORD WINAPI shove_thread (LPVOID vparam) { struct ntpipe_shove_stream *s = (struct ntpipe_shove_stream*) vparam; for (;;) { DWORD bytes_written; /* Block on event and wait for a job */ InterlockedIncrement (&s->idle_p); WaitForSingleObject (s->hev_thread, INFINITE); /* Write passed buffer if any */ if (s->size > 0) { if (!WriteFile (s->hpipe, s->buffer, s->size, &bytes_written, NULL) || bytes_written != s->size) { s->error_p = TRUE; InterlockedIncrement (&s->die_p); } /* Set size to zero so we won't write it again if the closer sets die_p and kicks us */ s->size = 0; } if (s->die_p) break; } return 0; } static Lisp_Object make_ntpipe_output_stream (HANDLE hpipe, LPARAM param) { Lisp_Object obj; Lstream *lstr = Lstream_new (lstream_ntpipe_shove, "w"); struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA (lstr); DWORD thread_id_unused; s->die_p = 0; s->error_p = FALSE; s->hpipe = hpipe; s->user_data = param; /* Create reader thread. This could fail, so do not create the event until thread is created */ s->hthread = CreateThread (NULL, 0, shove_thread, (LPVOID)s, CREATE_SUSPENDED, &thread_id_unused); if (s->hthread == NULL) { Lstream_delete (lstr); return Qnil; } /* Set the priority of the thread higher so we don't end up waiting on it to send things. */ if (!SetThreadPriority (s->hthread, THREAD_PRIORITY_HIGHEST)) { CloseHandle (s->hthread); Lstream_delete (lstr); return Qnil; } /* hev_thread is an auto-reset event, initially nonsignaled */ s->hev_thread = CreateEvent (NULL, FALSE, FALSE, NULL); /* Now let it go */ ResumeThread (s->hthread); lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE; XSETLSTREAM (obj, lstr); return obj; } static LPARAM get_ntpipe_output_stream_param (Lstream *stream) { struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream); return s->user_data; } #endif static Lstream_data_count ntpipe_shove_writer (Lstream *stream, const unsigned char *data, Lstream_data_count size) { struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream); if (s->error_p) return -1; s->blocking_p = !s->idle_p; if (s->blocking_p) return 0; if (size>MAX_SHOVE_BUFFER_SIZE) return 0; memcpy (s->buffer, data, size); s->size = size; /* Start output */ InterlockedDecrement (&s->idle_p); SetEvent (s->hev_thread); /* Give it a chance to run -- this dramatically improves performance of things like crypt. */ if (xSwitchToThread) /* not in Win9x or NT 3.51 */ (void) xSwitchToThread (); return size; } static int ntpipe_shove_was_blocked_p (Lstream *stream) { struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream); return s->blocking_p; } static int ntpipe_shove_closer (Lstream *stream) { struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream); /* Force thread stop */ InterlockedIncrement (&s->die_p); /* Thread will end upon unblocking. If it's already unblocked this will do nothing, but the thread won't look at die_p until it's written any pending output. */ SetEvent (s->hev_thread); /* Wait while thread terminates */ WaitForSingleObject (s->hthread, INFINITE); /* Close pipe handle, possibly breaking it */ CloseHandle (s->hpipe); /* Close the thread handle */ CloseHandle (s->hthread); /* Destroy the event */ CloseHandle (s->hev_thread); return 0; } static void init_shove_stream (void) { LSTREAM_HAS_METHOD (ntpipe_shove, writer); LSTREAM_HAS_METHOD (ntpipe_shove, was_blocked_p); LSTREAM_HAS_METHOD (ntpipe_shove, closer); } /************************************************************************/ /* Winsock I/O stream */ /************************************************************************/ #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT) #define WINSOCK_READ_BUFFER_SIZE 1024 struct winsock_stream { LPARAM user_data; /* Any user data stored in the stream object */ SOCKET s; /* Socket handle (which is a Win32 handle) */ OVERLAPPED ov; /* Overlapped I/O structure */ void* buffer; /* Buffer. */ unsigned long bufsize; /* Number of bytes last read */ unsigned long bufpos; /* Position in buffer for next fetch */ unsigned int error_p :1; /* I/O Error seen */ unsigned int eof_p :1; /* EOF Error seen */ unsigned int pending_p :1; /* There is a pending I/O operation */ unsigned int blocking_p :1; /* Last write attempt would block */ }; #define WINSOCK_STREAM_DATA(stream) LSTREAM_TYPE_DATA (stream, winsock) DEFINE_LSTREAM_IMPLEMENTATION ("winsock", lstream_winsock, sizeof (struct winsock_stream)); static void winsock_initiate_read (struct winsock_stream *str) { ResetEvent (str->ov.hEvent); str->bufpos = 0; if (!ReadFile ((HANDLE)str->s, str->buffer, WINSOCK_READ_BUFFER_SIZE, &str->bufsize, &str->ov)) { if (GetLastError () == ERROR_IO_PENDING) str->pending_p = 1; else if (GetLastError () == ERROR_HANDLE_EOF) str->eof_p = 1; else str->error_p = 1; } else if (str->bufsize == 0) str->eof_p = 1; } static Lstream_data_count winsock_reader (Lstream *stream, unsigned char *data, Lstream_data_count size) { struct winsock_stream *str = WINSOCK_STREAM_DATA (stream); /* If the current operation is not yet complete, there's nothing to give back */ if (str->pending_p) { if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT) { errno = EAGAIN; return -1; } else { if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &str->bufsize, TRUE)) { if (GetLastError() == ERROR_HANDLE_EOF) str->bufsize = 0; else str->error_p = 1; } if (str->bufsize == 0) str->eof_p = 1; str->pending_p = 0; } } if (str->eof_p) return 0; if (str->error_p) return -1; /* Return as much of buffer as we have */ size = min (size, (Lstream_data_count) (str->bufsize - str->bufpos)); memcpy (data, (void*)((BYTE*)str->buffer + str->bufpos), size); str->bufpos += size; /* Read more if buffer is exhausted */ if (str->bufsize == str->bufpos) winsock_initiate_read (str); return size; } static Lstream_data_count winsock_writer (Lstream *stream, const unsigned char *data, Lstream_data_count size) { struct winsock_stream *str = WINSOCK_STREAM_DATA (stream); if (str->pending_p) { if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT) { str->blocking_p = 1; return -1; } else { DWORD dw_unused; if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &dw_unused, TRUE)) str->error_p = 1; str->pending_p = 0; } } str->blocking_p = 0; if (str->error_p) return -1; if (size == 0) return 0; ResetEvent (str->ov.hEvent); /* According to WriteFile docs, we must hold onto the data we pass to it and not make any changes until it finishes -- which may not be until the next time we get here, since we use asynchronous I/O. We have in fact seen data loss as a result of not doing this. */ str->buffer = xrealloc (str->buffer, size); memcpy (str->buffer, data, size); /* According to MSDN WriteFile docs, the fourth parameter cannot be NULL on Win95 even when doing an overlapped operation, as we are, where the return value through that parameter is not meaningful. */ if (WriteFile ((HANDLE)str->s, str->buffer, size, &str->bufsize, &str->ov) || GetLastError() == ERROR_IO_PENDING) str->pending_p = 1; else str->error_p = 1; return str->error_p ? -1 : size; } static int winsock_closer (Lstream *lstr) { struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr); if (lstr->flags & LSTREAM_FL_READ) shutdown (str->s, 0); else shutdown (str->s, 1); closesocket (str->s); if (str->pending_p) WaitForSingleObject (str->ov.hEvent, INFINITE); if (str->buffer) { xfree (str->buffer); str->buffer = 0; } CloseHandle (str->ov.hEvent); return 0; } static int winsock_was_blocked_p (Lstream *stream) { struct winsock_stream *str = WINSOCK_STREAM_DATA (stream); return str->blocking_p; } static Lisp_Object make_winsock_stream_1 (SOCKET s, LPARAM param, const char *mode) { Lisp_Object obj; Lstream *lstr = Lstream_new (lstream_winsock, mode); struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr); xzero (*str); str->s = s; str->user_data = param; str->ov.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL); if (lstr->flags & LSTREAM_FL_READ) { str->buffer = xmalloc (WINSOCK_READ_BUFFER_SIZE); winsock_initiate_read (str); } lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE; XSETLSTREAM (obj, lstr); return obj; } static Lisp_Object make_winsock_input_stream (SOCKET s, LPARAM param) { return make_winsock_stream_1 (s, param, "r"); } static Lisp_Object make_winsock_output_stream (SOCKET s, LPARAM param) { return make_winsock_stream_1 (s, param, "w"); } static HANDLE get_winsock_stream_waitable (Lstream *lstr) { struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr); return str->ov.hEvent; } static LPARAM get_winsock_stream_param (Lstream *lstr) { struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr); return str->user_data; } static void init_winsock_stream (void) { LSTREAM_HAS_METHOD (winsock, reader); LSTREAM_HAS_METHOD (winsock, writer); LSTREAM_HAS_METHOD (winsock, closer); LSTREAM_HAS_METHOD (winsock, was_blocked_p); } #endif /* defined (HAVE_SOCKETS) */ /************************************************************************/ /* Dispatch queue management */ /************************************************************************/ static int mswindows_user_event_p (Lisp_Event* sevt) { return (sevt->event_type == key_press_event || sevt->event_type == button_press_event || sevt->event_type == button_release_event || sevt->event_type == misc_user_event); } /* * Add an emacs event to the proper dispatch queue */ void mswindows_enqueue_dispatch_event (Lisp_Object event) { int user_p = mswindows_user_event_p (XEVENT(event)); enqueue_event (event, user_p ? &mswindows_u_dispatch_event_queue : &mswindows_s_dispatch_event_queue, user_p ? &mswindows_u_dispatch_event_queue_tail : &mswindows_s_dispatch_event_queue_tail); /* Avoid blocking on WaitMessage */ PostMessage (NULL, XM_BUMPQUEUE, 0, 0); } /* * Add a misc-user event to the dispatch queue. * * Stuff it into our own dispatch queue, so we have something * to return from next_event callback. */ void mswindows_enqueue_misc_user_event (Lisp_Object channel, Lisp_Object function, Lisp_Object object) { Lisp_Object event = Fmake_event (Qnil, Qnil); Lisp_Event* e = XEVENT (event); e->event_type = misc_user_event; e->channel = channel; e->timestamp = GetTickCount (); e->event.misc.function = function; e->event.misc.object = object; mswindows_enqueue_dispatch_event (event); } void mswindows_enqueue_magic_event (HWND hwnd, UINT msg) { Lisp_Object emacs_event = Fmake_event (Qnil, Qnil); Lisp_Event* event = XEVENT (emacs_event); event->channel = hwnd ? mswindows_find_frame (hwnd) : Qnil; event->timestamp = GetMessageTime(); event->event_type = magic_event; EVENT_MSWINDOWS_MAGIC_TYPE (event) = msg; mswindows_enqueue_dispatch_event (emacs_event); } static void mswindows_enqueue_process_event (Lisp_Process* p) { Lisp_Object emacs_event = Fmake_event (Qnil, Qnil); Lisp_Event* event = XEVENT (emacs_event); Lisp_Object process; XSETPROCESS (process, p); event->event_type = process_event; event->timestamp = GetTickCount (); event->event.process.process = process; mswindows_enqueue_dispatch_event (emacs_event); } static void mswindows_enqueue_mouse_button_event (HWND hwnd, UINT msg, POINTS where, int mods, DWORD when) { int downp = (msg == WM_LBUTTONDOWN || msg == WM_MBUTTONDOWN || msg == WM_RBUTTONDOWN); /* Wheel rotation amount: positive is away from user, negative towards user */ int delta = (short) HIWORD (mods); /* We always use last message time, because mouse button events may get delayed, and XEmacs double click recognition will fail */ Lisp_Object emacs_event = Fmake_event (Qnil, Qnil); Lisp_Event* event = XEVENT (emacs_event); mswindows_handle_sticky_modifiers (0, 0, downp, 0); event->channel = mswindows_find_frame (hwnd); event->timestamp = when; event->event.button.button = (msg==WM_LBUTTONDOWN || msg==WM_LBUTTONUP) ? 1 : (msg==WM_MBUTTONDOWN || msg==WM_MBUTTONUP) ? 2 : (msg==WM_RBUTTONDOWN || msg==WM_RBUTTONUP) ? 3 : (msg==WM_MOUSEWHEEL && delta>0) ? 4 : 5; event->event.button.x = where.x; event->event.button.y = where.y; event->event.button.modifiers = mswindows_modifier_state (NULL, mods, 0); if (downp) { event->event_type = button_press_event; SetCapture (hwnd); /* we need this to make sure the main window regains the focus from control subwindows */ if (GetFocus() != hwnd) { SetFocus (hwnd); mswindows_enqueue_magic_event (hwnd, WM_SETFOCUS); } } else { event->event_type = button_release_event; ReleaseCapture (); } mswindows_enqueue_dispatch_event (emacs_event); } static void mswindows_enqueue_keypress_event (HWND hwnd, Lisp_Object keysym, int mods) { Lisp_Object emacs_event = Fmake_event (Qnil, Qnil); Lisp_Event* event = XEVENT(emacs_event); event->channel = mswindows_find_console(hwnd); event->timestamp = GetMessageTime(); event->event_type = key_press_event; event->event.key.keysym = keysym; event->event.key.modifiers = mods; mswindows_enqueue_dispatch_event (emacs_event); } /* * Remove and return the first emacs event on the dispatch queue. * Give a preference to user events over non-user ones. */ static Lisp_Object mswindows_dequeue_dispatch_event (void) { Lisp_Object event; Lisp_Event* sevt; assert (!NILP(mswindows_u_dispatch_event_queue) || !NILP(mswindows_s_dispatch_event_queue)); event = dequeue_event ( NILP(mswindows_u_dispatch_event_queue) ? &mswindows_s_dispatch_event_queue : &mswindows_u_dispatch_event_queue, NILP(mswindows_u_dispatch_event_queue) ? &mswindows_s_dispatch_event_queue_tail : &mswindows_u_dispatch_event_queue_tail); sevt = XEVENT (event); if (sevt->event_type == key_press_event && (sevt->event.key.modifiers & FAKE_MOD_QUIT)) sevt->event.key.modifiers &= ~(FAKE_MOD_QUIT | FAKE_MOD_QUIT_CRITICAL); return event; } /* * Remove and return the first emacs event on the dispatch queue that matches * the supplied event. * Timeout event matches if interval_id is equal to that of the given event. * Keypress event matches if logical AND between modifiers bitmask of the * event in the queue and that of the given event is non-zero. * For all other event types, this function ABORTs. */ Lisp_Object mswindows_cancel_dispatch_event (Lisp_Event *match) { Lisp_Object event; Lisp_Object previous_event = Qnil; int user_p = mswindows_user_event_p (match); Lisp_Object* head = user_p ? &mswindows_u_dispatch_event_queue : &mswindows_s_dispatch_event_queue; Lisp_Object* tail = user_p ? &mswindows_u_dispatch_event_queue_tail : &mswindows_s_dispatch_event_queue_tail; assert (match->event_type == timeout_event || match->event_type == key_press_event); EVENT_CHAIN_LOOP (event, *head) { Lisp_Event *e = XEVENT (event); if ((e->event_type == match->event_type) && ((e->event_type == timeout_event) ? (e->event.timeout.interval_id == match->event.timeout.interval_id) : /* Must be key_press_event */ ((e->event.key.modifiers & match->event.key.modifiers) != 0))) { if (NILP (previous_event)) dequeue_event (head, tail); else { XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event)); if (EQ (*tail, event)) *tail = previous_event; } return event; } previous_event = event; } return Qnil; } #ifndef HAVE_MSG_SELECT /************************************************************************/ /* Waitable handles manipulation */ /************************************************************************/ static int find_waitable_handle (HANDLE h) { int i; for (i = 0; i < mswindows_waitable_count; ++i) if (mswindows_waitable_handles[i] == h) return i; return -1; } static BOOL add_waitable_handle (HANDLE h) { assert (find_waitable_handle (h) < 0); if (mswindows_waitable_count == MAX_WAITABLE) return FALSE; mswindows_waitable_handles [mswindows_waitable_count++] = h; return TRUE; } static void remove_waitable_handle (HANDLE h) { int ix = find_waitable_handle (h); if (ix < 0) return; mswindows_waitable_handles [ix] = mswindows_waitable_handles [--mswindows_waitable_count]; } #endif /* HAVE_MSG_SELECT */ /* * Given a lisp process pointer remove the corresponding process handle * from mswindows_waitable_handles if it is in it. Normally the handle is * removed when the process terminates, but if the lisp process structure * is deleted before the process terminates we must delete the process * handle since it will be invalid and will cause the wait to fail */ void mswindows_unwait_process (Lisp_Process *p) { #ifndef HAVE_MSG_SELECT remove_waitable_handle (get_nt_process_handle (p)); #endif /* HAVE_MSG_SELECT */ } /************************************************************************/ /* Event pump */ /************************************************************************/ static Lisp_Object mswindows_modal_loop_error_handler (Lisp_Object cons_sig_data, Lisp_Object u_n_u_s_e_d) { mswindows_error_caught_in_modal_loop = cons_sig_data; return Qunbound; } Lisp_Object mswindows_protect_modal_loop (Lisp_Object (*bfun) (Lisp_Object barg), Lisp_Object barg) { Lisp_Object tmp; ++mswindows_in_modal_loop; tmp = condition_case_1 (Qt, bfun, barg, mswindows_modal_loop_error_handler, Qnil); --mswindows_in_modal_loop; return tmp; } void mswindows_unmodalize_signal_maybe (void) { if (!NILP (mswindows_error_caught_in_modal_loop)) { /* Got an error while messages were pumped while in window procedure - have to resignal */ Lisp_Object sym = XCAR (mswindows_error_caught_in_modal_loop); Lisp_Object data = XCDR (mswindows_error_caught_in_modal_loop); mswindows_error_caught_in_modal_loop = Qnil; Fsignal (sym, data); } } /* * This is an unsafe part of event pump, guarded by * condition_case. See mswindows_pump_outstanding_events */ static Lisp_Object mswindows_unsafe_pump_events (Lisp_Object u_n_u_s_e_d) { /* This function can call lisp */ Lisp_Object event = Fmake_event (Qnil, Qnil); struct gcpro gcpro1; int do_redisplay = 0; GCPRO1 (event); while (detect_input_pending ()) { Fnext_event (event, Qnil); Fdispatch_event (event); do_redisplay = 1; } if (do_redisplay) redisplay (); Fdeallocate_event (event); UNGCPRO; /* Qt becomes return value of mswindows_pump_outstanding_events once we get here */ return Qt; } /* * This function pumps emacs events, while available, by using * next_message/dispatch_message loop. Errors are trapped around * the loop so the function always returns. * * Windows message queue is not looked into during the call, * neither are waitable handles checked. The function pumps * thus only dispatch events already queued, as well as those * resulted in dispatching thereof. This is done by setting * module local variable mswindows_in_modal_loop to nonzero. * * Return value is Qt if no errors was trapped, or Qunbound if * there was an error. * * In case of error, a cons representing the error, in the * form (SIGNAL . DATA), is stored in the module local variable * mswindows_error_caught_in_modal_loop. This error is signaled * again when DispatchMessage returns. Thus, Windows internal * modal loops are protected against throws, which are proven * to corrupt internal Windows structures. * * In case of success, mswindows_error_caught_in_modal_loop is * assigned Qnil. * * If the value of mswindows_error_caught_in_modal_loop is not * nil already upon entry, the function just returns non-nil. * This situation means that a new event has been queued while * in cancel mode. The event will be dequeued on the next regular * call of next-event; the pump is off since error is caught. * The caller must *unconditionally* cancel modal loop if the * value returned by this function is nil. Otherwise, everything * will become frozen until the modal loop exits under normal * condition (scrollbar drag is released, menu closed etc.) */ Lisp_Object mswindows_pump_outstanding_events (void) { /* This function can call lisp */ Lisp_Object result = Qt; struct gcpro gcpro1; GCPRO1 (result); if (NILP(mswindows_error_caught_in_modal_loop)) result = mswindows_protect_modal_loop (mswindows_unsafe_pump_events, Qnil); UNGCPRO; return result; } /* * KEYBOARD_ONLY_P is set to non-zero when we are called from * QUITP, and are interesting in keyboard messages only. */ static void mswindows_drain_windows_queue (void) { MSG msg; /* should call mswindows_need_event_in_modal_loop() if in modal loop */ assert (!mswindows_in_modal_loop); while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE)) { char class_name_buf [sizeof (XEMACS_CLASS) + 2] = ""; /* Don't translate messages destined for a dialog box, this makes keyboard traversal work. I think?? */ if (mswindows_is_dialog_msg (&msg)) { mswindows_unmodalize_signal_maybe (); continue; } /* We have to translate messages that are not sent to an XEmacs frame. This is so that key presses work ok in things like edit fields. However, we *musn't* translate message for XEmacs frames as this is handled in the wnd proc. We also have to avoid generating paint magic events for windows that aren't XEmacs frames */ /* GetClassName will truncate a longer class name. By adding one extra character, we are forcing textual comparison to fail if the name is longer than XEMACS_CLASS */ GetClassName (msg.hwnd, class_name_buf, sizeof (class_name_buf) - 1); if (stricmp (class_name_buf, XEMACS_CLASS) != 0) { /* Not an XEmacs frame */ TranslateMessage (&msg); } else if (msg.message == WM_PAINT) { struct mswindows_frame* msframe; /* hdc will be NULL unless this is a subwindow - in which case we shouldn't have received a paint message for it here. */ assert (msg.wParam == 0); /* Queue a magic event for handling when safe */ msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (msg.hwnd))); if (!msframe->paint_pending) { msframe->paint_pending = 1; mswindows_enqueue_magic_event (msg.hwnd, WM_PAINT); } /* Don't dispatch. WM_PAINT is always the last message in the queue so it's OK to just return. */ return; } DispatchMessage (&msg); mswindows_unmodalize_signal_maybe (); } } /* * This is a special flavor of the mswindows_need_event function, * used while in event pump. Actually, there is only kind of events * allowed while in event pump: a timer. An attempt to fetch any * other event leads to a deadlock, as there's no source of user input * ('cause event pump mirrors windows modal loop, which is a sole * owner of thread message queue). * * To detect this, we use a counter of active timers, and allow * fetching WM_TIMER messages. Instead of trying to fetch a WM_TIMER * which will never come when there are no pending timers, which leads * to deadlock, we simply signal an error. * * It might be possible to combine this with mswindows_drain_windows_queue * which fetches events when not in a modal loop. It's not clear * whether the result would be more complex than is justified. */ static void mswindows_need_event_in_modal_loop (int badly_p) { MSG msg; /* Check if already have one */ if (!NILP (mswindows_u_dispatch_event_queue) || !NILP (mswindows_s_dispatch_event_queue)) return; /* No event is ok */ if (!badly_p) return; /* We do not check the _u_ queue, because timers go to _s_ */ while (NILP (mswindows_s_dispatch_event_queue)) { /* We'll deadlock if go waiting */ if (mswindows_pending_timers_count == 0) error ("Deadlock due to an attempt to call next-event in a wrong context"); /* Fetch and dispatch any pending timers */ if (GetMessage (&msg, NULL, WM_TIMER, WM_TIMER) > 0) DispatchMessage (&msg); } } /* * This drains the event queue and fills up two internal queues until * an event of a type specified by USER_P is retrieved. * * * Used by emacs_mswindows_event_pending_p and emacs_mswindows_next_event */ static void mswindows_need_event (int badly_p) { int active; while (NILP (mswindows_u_dispatch_event_queue) && NILP (mswindows_s_dispatch_event_queue)) { #ifdef HAVE_MSG_SELECT int i; SELECT_TYPE temp_mask = input_wait_mask; EMACS_TIME sometime; EMACS_SELECT_TIME select_time_to_block, *pointer_to_this; if (badly_p) pointer_to_this = 0; else { EMACS_SET_SECS_USECS (sometime, 0, 0); EMACS_TIME_TO_SELECT_TIME (sometime, select_time_to_block); pointer_to_this = &select_time_to_block; if (mswindows_in_modal_loop) /* In modal loop with badly_p false, don't care about Windows events. */ FD_CLR (windows_fd, &temp_mask); } active = select (MAXDESC, &temp_mask, 0, 0, pointer_to_this); if (active == 0) { assert (!badly_p); return; /* timeout */ } else if (active > 0) { if (FD_ISSET (windows_fd, &temp_mask)) { if (mswindows_in_modal_loop) mswindows_need_event_in_modal_loop (badly_p); else mswindows_drain_windows_queue (); } else { #ifdef HAVE_TTY /* Look for a TTY event */ for (i = 0; i < MAXDESC-1; i++) { /* To avoid race conditions (among other things, an infinite loop when called from Fdiscard_input()), we must return user events ahead of process events. */ if (FD_ISSET (i, &temp_mask) && FD_ISSET (i, &tty_only_mask)) { struct console *c = tty_find_console_from_fd (i); Lisp_Object emacs_event = Fmake_event (Qnil, Qnil); Lisp_Event* event = XEVENT (emacs_event); assert (c); if (read_event_from_tty_or_stream_desc (event, c, i)) { mswindows_enqueue_dispatch_event (emacs_event); return; } } } #endif /* Look for a process event */ for (i = 0; i < MAXDESC-1; i++) { if (FD_ISSET (i, &temp_mask)) { if (FD_ISSET (i, &process_only_mask)) { Lisp_Process *p = get_process_from_usid (FD_TO_USID(i)); mswindows_enqueue_process_event (p); } else { /* We might get here when a fake event came through a signal. Return a dummy event, so that a cycle of the command loop will occur. */ drain_signal_event_pipe (); mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE); } } } } } else if (active==-1) { if (errno != EINTR) { /* something bad happened */ assert(0); } } else { assert(0); } #else /* Now try getting a message or process event */ DWORD what_events; MSG msg; if (mswindows_in_modal_loop) /* In a modal loop, only look for timer events, and only if we really need one. */ { if (badly_p) what_events = QS_TIMER; else what_events = 0; } else /* Look for any event */ what_events = QS_ALLINPUT; /* This fixes a long outstanding bug, where XEmacs would occasionally * not redraw its window (or process other events) until "something * happened" - usually the mouse moving over a frame. * * The problem is that MsgWaitForMultipleObjects only checks to see * if NEW messages have been placed into the thread queue. So we * specifically check to see if the queue is empty (using PeekMessage * with the PM_NOREMOVE flag) before we wait. */ if (what_events == QS_ALLINPUT && badly_p && PeekMessage (&msg, 0, 0, 0, PM_NOREMOVE)) active = WAIT_OBJECT_0 + mswindows_waitable_count; else active = MsgWaitForMultipleObjects (mswindows_waitable_count, mswindows_waitable_handles, FALSE, badly_p ? INFINITE : 0, what_events); /* This will assert if handle being waited for becomes abandoned. Not the case currently tho */ assert ((!badly_p && active == WAIT_TIMEOUT) || (active >= WAIT_OBJECT_0 && active <= WAIT_OBJECT_0 + mswindows_waitable_count)); if (active == WAIT_TIMEOUT) { /* No luck trying - just return what we've already got */ return; } else if (active == WAIT_OBJECT_0 + mswindows_waitable_count) { /* Got your message, thanks */ if (mswindows_in_modal_loop) mswindows_need_event_in_modal_loop (badly_p); else mswindows_drain_windows_queue (); } else { int ix = active - WAIT_OBJECT_0; /* First, try to find which process' output has signaled */ Lisp_Process *p = get_process_from_usid (HANDLE_TO_USID (mswindows_waitable_handles[ix])); if (p != NULL) { /* Found a signaled process input handle */ mswindows_enqueue_process_event (p); } else { /* None. This means that the process handle itself has signaled. Remove the handle from the wait vector, and make status_notify note the exited process. First find the process object if possible. */ LIST_LOOP_3 (vaffanculo, Vprocess_list, vproctail) if (get_nt_process_handle (XPROCESS (vaffanculo)) == mswindows_waitable_handles [ix]) break; mswindows_waitable_handles [ix] = mswindows_waitable_handles [--mswindows_waitable_count]; kick_status_notify (); /* We need to return a process event here so that (1) accept-process-output will return when called on this process, and (2) status notifications will happen in accept-process-output, sleep-for, and sit-for. */ /* #### horrible kludge till my real process fixes go in. #### Replaced with a slightly less horrible kluge that at least finds the right process instead of axing the first one on the list. */ if (!NILP (vproctail)) { mswindows_enqueue_process_event (XPROCESS (vaffanculo)); } else /* trash me soon. */ /* Have to return something: there may be no accompanying process event */ mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE); } } #endif } /* while */ } /************************************************************************/ /* Event generators */ /************************************************************************/ /* * Callback procedure for synchronous timer messages */ static void CALLBACK mswindows_wm_timer_callback (HWND hwnd, UINT umsg, UINT id_timer, DWORD dwtime) { Lisp_Object emacs_event = Fmake_event (Qnil, Qnil); Lisp_Event *event = XEVENT (emacs_event); if (KillTimer (NULL, id_timer)) --mswindows_pending_timers_count; event->channel = Qnil; event->timestamp = dwtime; event->event_type = timeout_event; event->event.timeout.interval_id = id_timer; event->event.timeout.function = Qnil; event->event.timeout.object = Qnil; mswindows_enqueue_dispatch_event (emacs_event); } /* * Callback procedure for dde messages * * We execute a dde Open("file") by simulating a file drop, so dde support * depends on dnd support. */ #ifdef HAVE_DRAGNDROP extern int mswindows_dde_enable; HDDEDATA CALLBACK mswindows_dde_callback (UINT uType, UINT uFmt, HCONV hconv, HSZ hszTopic, HSZ hszItem, HDDEDATA hdata, DWORD dwData1, DWORD dwData2) { switch (uType) { case XTYP_CONNECT: if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)) return (HDDEDATA)TRUE; return (HDDEDATA)FALSE; case XTYP_WILDCONNECT: { /* We only support one {service,topic} pair */ HSZPAIR pairs[2] = { { mswindows_dde_service, mswindows_dde_topic_system }, { 0, 0 } }; if (!(hszItem || DdeCmpStringHandles (hszItem, mswindows_dde_service)) && !(hszTopic || DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))) return (DdeCreateDataHandle (mswindows_dde_mlid, (LPBYTE)pairs, sizeof (pairs), 0L, 0, uFmt, 0)); } return (HDDEDATA)NULL; case XTYP_EXECUTE: if (!mswindows_dde_enable) return (HDDEDATA) DDE_FBUSY; if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)) { DWORD len = DdeGetData (hdata, NULL, 0, 0); LPBYTE cmd = (LPBYTE) alloca (len+1); char *end; char *filename; struct gcpro gcpro1, gcpro2; Lisp_Object l_dndlist = Qnil; Lisp_Object emacs_event = Fmake_event (Qnil, Qnil); Lisp_Object frmcons, devcons, concons; Lisp_Event *event = XEVENT (emacs_event); DdeGetData (hdata, cmd, len, 0); cmd[len] = '\0'; DdeFreeDataHandle (hdata); /* Check syntax & that it's an [Open("foo")] command, which we * treat like a file drop */ /* #### Ought to be generalised and accept some other commands */ if (*cmd == '[') cmd++; if (strnicmp (cmd, MSWINDOWS_DDE_ITEM_OPEN, strlen (MSWINDOWS_DDE_ITEM_OPEN))) return DDE_FNOTPROCESSED; cmd += strlen (MSWINDOWS_DDE_ITEM_OPEN); while (*cmd==' ') cmd++; if (*cmd!='(' || *(cmd+1)!='\"') return DDE_FNOTPROCESSED; end = (cmd+=2); while (*end && *end!='\"') end++; if (!*end) return DDE_FNOTPROCESSED; *end = '\0'; if (*(++end)!=')') return DDE_FNOTPROCESSED; if (*(++end)==']') end++; if (*end) return DDE_FNOTPROCESSED; #ifdef CYGWIN filename = alloca (cygwin_win32_to_posix_path_list_buf_size (cmd) + 5); strcpy (filename, "file:"); cygwin_win32_to_posix_path_list (cmd, filename+5); #else dostounix_filename (cmd); filename = alloca (strlen (cmd)+6); strcpy (filename, "file:"); strcat (filename, cmd); #endif GCPRO2 (emacs_event, l_dndlist); l_dndlist = make_string (filename, strlen (filename)); /* Find a mswindows frame */ event->channel = Qnil; FRAME_LOOP_NO_BREAK (frmcons, devcons, concons) { Lisp_Object frame = XCAR (frmcons); if (FRAME_TYPE_P (XFRAME (frame), mswindows)) event->channel = frame; }; assert (!NILP (event->channel)); event->timestamp = GetTickCount(); event->event_type = misc_user_event; event->event.misc.button = 1; event->event.misc.modifiers = 0; event->event.misc.x = -1; event->event.misc.y = -1; event->event.misc.function = Qdragdrop_drop_dispatch; event->event.misc.object = Fcons (Qdragdrop_URL, Fcons (l_dndlist, Qnil)); mswindows_enqueue_dispatch_event (emacs_event); UNGCPRO; return (HDDEDATA) DDE_FACK; } DdeFreeDataHandle (hdata); return (HDDEDATA) DDE_FNOTPROCESSED; default: return (HDDEDATA) NULL; } } #endif /* * Helper to do repainting - repaints can happen both from the windows * procedure and from magic events */ static void mswindows_handle_paint (struct frame *frame) { HWND hwnd = FRAME_MSWINDOWS_HANDLE (frame); /* According to the docs we need to check GetUpdateRect() before actually doing a WM_PAINT */ if (GetUpdateRect (hwnd, NULL, FALSE)) { PAINTSTRUCT paintStruct; int x, y, width, height; BeginPaint (hwnd, &paintStruct); x = paintStruct.rcPaint.left; y = paintStruct.rcPaint.top; width = paintStruct.rcPaint.right - paintStruct.rcPaint.left; height = paintStruct.rcPaint.bottom - paintStruct.rcPaint.top; /* Normally we want to ignore expose events when child windows are unmapped, however once we are in the guts of WM_PAINT we need to make sure that we don't register unmaps then because they will not actually occur. */ /* #### commenting out the next line seems to fix some problems but not all. only andy currently understands this stuff and he needs to review it more carefully. --ben */ if (!check_for_ignored_expose (frame, x, y, width, height)) { hold_ignored_expose_registration = 1; mswindows_redraw_exposed_area (frame, x, y, width, height); hold_ignored_expose_registration = 0; } EndPaint (hwnd, &paintStruct); } } /* * Returns 1 if a key is a real modifier or special key, which * is better handled by DefWindowProc */ static int key_needs_default_processing_p (UINT vkey) { if (mswindows_alt_by_itself_activates_menu && vkey == VK_MENU /* if we let ALT activate the menu like this, then sticky ALT-modified keystrokes become impossible. */ && !modifier_keys_are_sticky) return 1; return 0; } /* key-handling code is always ugly. It just ends up working out that way. #### Most of the sticky-modifier code below is copied from similar code in event-Xt.c. They should somehow or other be merged. Here are some pointers: -- DOWN_MASK indicates which modifiers should be treated as "down" when the corresponding upstroke happens. It gets reset for a particular modifier when that modifier goes up, and reset for all modifiers when a non-modifier key is pressed. Example: I press Control-A-Shift and then release Control-A-Shift. I want the Shift key to be sticky but not the Control key. -- If a modifier key is sticky, I can unstick it by pressing the modifier key again. */ static WPARAM last_downkey; static int need_to_add_mask, down_mask; #define XEMSW_LCONTROL (1<<0) #define XEMSW_RCONTROL (1<<1) #define XEMSW_LSHIFT (1<<2) #define XEMSW_RSHIFT (1<<3) #define XEMSW_LMENU (1<<4) #define XEMSW_RMENU (1<<5) static int mswindows_handle_sticky_modifiers (WPARAM wParam, LPARAM lParam, int downp, int keyp) { int mods = 0; if (!modifier_keys_are_sticky) /* Optimize for non-sticky modifiers */ return 0; if (! (keyp && (wParam == VK_CONTROL || wParam == VK_LCONTROL || wParam == VK_RCONTROL || wParam == VK_MENU || wParam == VK_LMENU || wParam == VK_RMENU || wParam == VK_SHIFT || wParam == VK_LSHIFT || wParam == VK_RSHIFT))) { /* Not a modifier key */ if (downp && keyp && !last_downkey) last_downkey = wParam; /* If I hold press-and-release the Control key and then press and hold down the right arrow, I want it to auto-repeat Control-Right. On the other hand, if I do the same but manually press the Right arrow a bunch of times, I want to see one Control-Right and then a bunch of Rights. This means that we need to distinguish between an auto-repeated key and a key pressed and released a bunch of times. */ else if ((downp && !keyp) || (downp && keyp && last_downkey && (wParam != last_downkey || /* the "previous key state" bit indicates autorepeat */ ! (lParam & (1 << 30))))) { need_to_add_mask = 0; last_downkey = 0; } if (downp) down_mask = 0; mods = need_to_add_mask; } else /* Modifier key pressed */ { /* If a non-modifier key was pressed in the middle of a bunch of modifiers, then it unsticks all the modifiers that were previously pressed. We cannot unstick the modifiers until now because we want to check for auto-repeat of the non-modifier key. */ if (last_downkey) { last_downkey = 0; need_to_add_mask = 0; } #define FROB(mask) \ do { \ if (downp && keyp) \ { \ /* If modifier key is already sticky, \ then unstick it. Note that we do \ not test down_mask to deal with the \ unlikely but possible case that the \ modifier key auto-repeats. */ \ if (need_to_add_mask & mask) \ { \ need_to_add_mask &= ~mask; \ down_mask &= ~mask; \ } \ else \ down_mask |= mask; \ } \ else \ { \ if (down_mask & mask) \ { \ down_mask &= ~mask; \ need_to_add_mask |= mask; \ } \ } \ } while (0) if ((wParam == VK_CONTROL && (lParam & 0x1000000)) || wParam == VK_RCONTROL) FROB (XEMSW_RCONTROL); if ((wParam == VK_CONTROL && !(lParam & 0x1000000)) || wParam == VK_LCONTROL) FROB (XEMSW_LCONTROL); if ((wParam == VK_SHIFT && (lParam & 0x1000000)) || wParam == VK_RSHIFT) FROB (XEMSW_RSHIFT); if ((wParam == VK_SHIFT && !(lParam & 0x1000000)) || wParam == VK_LSHIFT) FROB (XEMSW_LSHIFT); if ((wParam == VK_MENU && (lParam & 0x1000000)) || wParam == VK_RMENU) FROB (XEMSW_RMENU); if ((wParam == VK_MENU && !(lParam & 0x1000000)) || wParam == VK_LMENU) FROB (XEMSW_LMENU); } #undef FROB if (mods && downp) { BYTE keymap[256]; GetKeyboardState (keymap); if (mods & XEMSW_LCONTROL) { keymap [VK_CONTROL] |= 0x80; keymap [VK_LCONTROL] |= 0x80; } if (mods & XEMSW_RCONTROL) { keymap [VK_CONTROL] |= 0x80; keymap [VK_RCONTROL] |= 0x80; } if (mods & XEMSW_LSHIFT) { keymap [VK_SHIFT] |= 0x80; keymap [VK_LSHIFT] |= 0x80; } if (mods & XEMSW_RSHIFT) { keymap [VK_SHIFT] |= 0x80; keymap [VK_RSHIFT] |= 0x80; } if (mods & XEMSW_LMENU) { keymap [VK_MENU] |= 0x80; keymap [VK_LMENU] |= 0x80; } if (mods & XEMSW_RMENU) { keymap [VK_MENU] |= 0x80; keymap [VK_RMENU] |= 0x80; } SetKeyboardState (keymap); return 1; } return 0; } static void clear_sticky_modifiers (void) { need_to_add_mask = 0; last_downkey = 0; down_mask = 0; } #ifdef DEBUG_XEMACS #if 0 static void output_modifier_keyboard_state (void) { BYTE keymap[256]; GetKeyboardState (keymap); stderr_out ("GetKeyboardState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n", keymap[VK_MENU] & 0x80 ? 1 : 0, keymap[VK_MENU] & 0x1 ? 1 : 0, keymap[VK_LMENU] & 0x80 ? 1 : 0, keymap[VK_LMENU] & 0x1 ? 1 : 0, keymap[VK_RMENU] & 0x80 ? 1 : 0, keymap[VK_RMENU] & 0x1 ? 1 : 0); stderr_out ("GetKeyboardState VK_CONTROL %d %d VK_LCONTROL %d %d VK_RCONTROL %d %d\n", keymap[VK_CONTROL] & 0x80 ? 1 : 0, keymap[VK_CONTROL] & 0x1 ? 1 : 0, keymap[VK_LCONTROL] & 0x80 ? 1 : 0, keymap[VK_LCONTROL] & 0x1 ? 1 : 0, keymap[VK_RCONTROL] & 0x80 ? 1 : 0, keymap[VK_RCONTROL] & 0x1 ? 1 : 0); stderr_out ("GetKeyboardState VK_SHIFT %d %d VK_LSHIFT %d %d VK_RSHIFT %d %d\n", keymap[VK_SHIFT] & 0x80 ? 1 : 0, keymap[VK_SHIFT] & 0x1 ? 1 : 0, keymap[VK_LSHIFT] & 0x80 ? 1 : 0, keymap[VK_LSHIFT] & 0x1 ? 1 : 0, keymap[VK_RSHIFT] & 0x80 ? 1 : 0, keymap[VK_RSHIFT] & 0x1 ? 1 : 0); } #endif /* try to debug the stuck-alt-key problem. #### this happens only inconsistently, and may only happen when using StickyKeys in the Win2000 accessibility section of the control panel, which is extremely broken for other reasons. */ static void output_alt_keyboard_state (void) { BYTE keymap[256]; SHORT keystate[3]; // SHORT asyncstate[3]; GetKeyboardState (keymap); keystate[0] = GetKeyState (VK_MENU); keystate[1] = GetKeyState (VK_LMENU); keystate[2] = GetKeyState (VK_RMENU); /* Doing this interferes with key processing. */ /* asyncstate[0] = GetAsyncKeyState (VK_MENU); */ /* asyncstate[1] = GetAsyncKeyState (VK_LMENU); */ /* asyncstate[2] = GetAsyncKeyState (VK_RMENU); */ stderr_out ("GetKeyboardState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n", keymap[VK_MENU] & 0x80 ? 1 : 0, keymap[VK_MENU] & 0x1 ? 1 : 0, keymap[VK_LMENU] & 0x80 ? 1 : 0, keymap[VK_LMENU] & 0x1 ? 1 : 0, keymap[VK_RMENU] & 0x80 ? 1 : 0, keymap[VK_RMENU] & 0x1 ? 1 : 0); stderr_out ("GetKeyState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n", keystate[0] & 0x8000 ? 1 : 0, keystate[0] & 0x1 ? 1 : 0, keystate[1] & 0x8000 ? 1 : 0, keystate[1] & 0x1 ? 1 : 0, keystate[2] & 0x8000 ? 1 : 0, keystate[2] & 0x1 ? 1 : 0); /* stderr_out ("GetAsyncKeyState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n", */ /* asyncstate[0] & 0x8000 ? 1 : 0, */ /* asyncstate[0] & 0x1 ? 1 : 0, */ /* asyncstate[1] & 0x8000 ? 1 : 0, */ /* asyncstate[1] & 0x1 ? 1 : 0, */ /* asyncstate[2] & 0x8000 ? 1 : 0, */ /* asyncstate[2] & 0x1 ? 1 : 0); */ } #endif /* DEBUG_XEMACS */ /* * The windows procedure for the window class XEMACS_CLASS */ LRESULT WINAPI mswindows_wnd_proc (HWND hwnd, UINT message_, WPARAM wParam, LPARAM lParam) { /* Note: Remember to initialize emacs_event and event before use. This code calls code that can GC. You must GCPRO before calling such code. */ Lisp_Object emacs_event = Qnil; Lisp_Object fobj = Qnil; Lisp_Event *event; struct frame *frame; struct mswindows_frame* msframe; /* If you hit this, rewrite the offending API call to occur after GC, using register_post_gc_action(). */ assert (!gc_in_progress); #ifdef DEBUG_XEMACS if (debug_mswindows_events) debug_output_mswin_message (hwnd, message_, wParam, lParam); #endif /* DEBUG_XEMACS */ assert (!GetWindowLong (hwnd, GWL_USERDATA)); switch (message_) { case WM_DESTROYCLIPBOARD: /* We own the clipboard and someone else wants it. Delete our cached copy of the clipboard contents so we'll ask for it from Windows again when someone does a paste, and destroy any memory objects we hold on the clipboard that are not in the list of types that Windows will delete itself. */ mswindows_destroy_selection (QCLIPBOARD); handle_selection_clear (QCLIPBOARD); break; case WM_ERASEBKGND: /* Erase background only during non-dynamic sizing */ msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd))); if (msframe->sizing && !mswindows_dynamic_frame_resize) goto defproc; return 1; case WM_CLOSE: fobj = mswindows_find_frame (hwnd); mswindows_enqueue_misc_user_event (fobj, Qeval, list3 (Qdelete_frame, fobj, Qt)); break; case WM_KEYUP: case WM_SYSKEYUP: /* See Win95 comment under WM_KEYDOWN */ { BYTE keymap[256]; int should_set_keymap = 0; #ifdef DEBUG_XEMACS if (debug_mswindows_events > 2) output_alt_keyboard_state (); #endif /* DEBUG_XEMACS */ mswindows_handle_sticky_modifiers (wParam, lParam, 0, 1); if (wParam == VK_CONTROL) { GetKeyboardState (keymap); keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] &= ~0x80; should_set_keymap = 1; } else if (wParam == VK_MENU) { GetKeyboardState (keymap); keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] &= ~0x80; should_set_keymap = 1; } if (should_set_keymap) // && (message_ != WM_SYSKEYUP // || NILP (Vmenu_accelerator_enabled))) SetKeyboardState (keymap); } if (key_needs_default_processing_p (wParam)) goto defproc; else break; case WM_KEYDOWN: case WM_SYSKEYDOWN: /* In some locales the right-hand Alt key is labelled AltGr. This key * should produce alternative characters when combined with another key. * eg on a German keyboard pressing AltGr+q should produce '@'. * AltGr generates exactly the same keystrokes as LCtrl+RAlt. But if * TranslateMessage() is called with *any* combination of Ctrl+Alt down, * it translates as if AltGr were down. * We get round this by removing all modifiers from the keymap before * calling TranslateMessage() unless AltGr is *really* down. */ { BYTE keymap_trans[256]; BYTE keymap_orig[256]; BYTE keymap_sticky[256]; int has_AltGr = mswindows_current_layout_has_AltGr (); int mods = 0, mods_with_shift = 0; int extendedp = lParam & 0x1000000; Lisp_Object keysym; int sticky_changed; #ifdef DEBUG_XEMACS if (debug_mswindows_events > 2) output_alt_keyboard_state (); #endif /* DEBUG_XEMACS */ GetKeyboardState (keymap_orig); frame = XFRAME (mswindows_find_frame (hwnd)); if ((sticky_changed = mswindows_handle_sticky_modifiers (wParam, lParam, 1, 1))) { GetKeyboardState (keymap_sticky); if (keymap_sticky[VK_MENU] & 0x80) { message_ = WM_SYSKEYDOWN; /* We have to set the "context bit" so that the TranslateMessage() call below that generates the SYSCHAR message does its thing; see the documentation on WM_SYSKEYDOWN */ lParam |= 1 << 29; } } else memcpy (keymap_sticky, keymap_orig, 256); mods = mswindows_modifier_state (keymap_sticky, (DWORD) -1, has_AltGr); mods_with_shift = mods; /* Handle non-printables */ if (!NILP (keysym = mswindows_key_to_emacs_keysym (wParam, mods, extendedp))) { mswindows_enqueue_keypress_event (hwnd, keysym, mods); if (sticky_changed) SetKeyboardState (keymap_orig); } else /* Normal keys & modifiers */ { Emchar quit_ch = CONSOLE_QUIT_CHAR (XCONSOLE (mswindows_find_console (hwnd))); POINT pnt = { LOWORD (GetMessagePos()), HIWORD (GetMessagePos()) }; MSG msg, tranmsg; int potential_accelerator = 0; int got_accelerator = 0; msg.hwnd = hwnd; msg.message = message_; msg.wParam = wParam; msg.lParam = lParam; msg.time = GetMessageTime(); msg.pt = pnt; /* GetKeyboardState() does not work as documented on Win95. We have * to loosely track Left and Right modifiers on behalf of the OS, * without screwing up Windows NT which tracks them properly. */ if (wParam == VK_CONTROL) { keymap_orig[extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80; keymap_sticky[extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80; } else if (wParam == VK_MENU) { keymap_orig[extendedp ? VK_RMENU : VK_LMENU] |= 0x80; keymap_sticky[extendedp ? VK_RMENU : VK_LMENU] |= 0x80; } if (!NILP (Vmenu_accelerator_enabled) && !(mods & XEMACS_MOD_SHIFT) && message_ == WM_SYSKEYDOWN) potential_accelerator = 1; /* Remove shift modifier from an ascii character */ mods &= ~XEMACS_MOD_SHIFT; memcpy (keymap_trans, keymap_sticky, 256); /* Clear control and alt modifiers unless AltGr is pressed */ keymap_trans[VK_RCONTROL] = 0; keymap_trans[VK_LMENU] = 0; if (!has_AltGr || !(keymap_trans[VK_LCONTROL] & 0x80) || !(keymap_trans[VK_RMENU] & 0x80)) { keymap_trans[VK_LCONTROL] = 0; keymap_trans[VK_CONTROL] = 0; keymap_trans[VK_RMENU] = 0; keymap_trans[VK_MENU] = 0; } SetKeyboardState (keymap_trans); /* Maybe generate some WM_[SYS]CHARs in the queue */ TranslateMessage (&msg); while (PeekMessage (&tranmsg, hwnd, WM_CHAR, WM_CHAR, PM_REMOVE) || PeekMessage (&tranmsg, hwnd, WM_SYSCHAR, WM_SYSCHAR, PM_REMOVE)) { int mods_with_quit = mods; WPARAM ch = tranmsg.wParam; #ifdef DEBUG_XEMACS if (debug_mswindows_events) { stderr_out ("-> "); debug_output_mswin_message (tranmsg.hwnd, tranmsg.message, tranmsg.wParam, tranmsg.lParam); } #endif /* DEBUG_XEMACS */ /* If a quit char with no modifiers other than control and shift, then mark it with a fake modifier, which is removed upon dequeueing the event */ /* !!#### Fix this in my mule ws -- replace current_buffer with 0 */ if (((quit_ch < ' ' && (mods & XEMACS_MOD_CONTROL) && DOWNCASE (current_buffer, quit_ch + 'a' - 1) == DOWNCASE (current_buffer, ch)) || (quit_ch >= ' ' && !(mods & XEMACS_MOD_CONTROL) && DOWNCASE (current_buffer, quit_ch) == DOWNCASE (current_buffer, ch))) && ((mods_with_shift & ~(XEMACS_MOD_CONTROL | XEMACS_MOD_SHIFT)) == 0)) { mods_with_quit |= FAKE_MOD_QUIT; if (mods_with_shift & XEMACS_MOD_SHIFT) mods_with_quit |= FAKE_MOD_QUIT_CRITICAL; mswindows_quit_chars_count++; } else if (potential_accelerator && !got_accelerator && mswindows_char_is_accelerator (frame, ch)) { got_accelerator = 1; break; } mswindows_enqueue_keypress_event (hwnd, make_char (ch), mods_with_quit); } /* while */ /* This generates WM_SYSCHAR messages, which are interpreted by DefWindowProc as the menu selections. */ if (got_accelerator) { SetKeyboardState (keymap_sticky); TranslateMessage (&msg); SetKeyboardState (keymap_orig); goto defproc; } SetKeyboardState (keymap_orig); } /* else */ } if (key_needs_default_processing_p (wParam)) goto defproc; else break; case WM_MBUTTONDOWN: case WM_MBUTTONUP: /* Real middle mouse button has nothing to do with emulated one: if one wants to exercise fingers playing chords on the mouse, he is allowed to do that! */ mswindows_enqueue_mouse_button_event (hwnd, message_, MAKEPOINTS (lParam), wParam &~ MK_MBUTTON, GetMessageTime()); break; case WM_LBUTTONUP: msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd))); msframe->last_click_time = GetMessageTime(); KillTimer (hwnd, BUTTON_2_TIMER_ID); msframe->button2_need_lbutton = 0; if (msframe->ignore_next_lbutton_up) { msframe->ignore_next_lbutton_up = 0; } else if (msframe->button2_is_down) { msframe->button2_is_down = 0; msframe->ignore_next_rbutton_up = 1; mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP, MAKEPOINTS (lParam), wParam &~ (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON), GetMessageTime()); } else { if (msframe->button2_need_rbutton) { msframe->button2_need_rbutton = 0; mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN, MAKEPOINTS (lParam), wParam &~ MK_LBUTTON, GetMessageTime()); } mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONUP, MAKEPOINTS (lParam), wParam &~ MK_LBUTTON, GetMessageTime()); } break; case WM_RBUTTONUP: msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd))); msframe->last_click_time = GetMessageTime(); KillTimer (hwnd, BUTTON_2_TIMER_ID); msframe->button2_need_rbutton = 0; if (msframe->ignore_next_rbutton_up) { msframe->ignore_next_rbutton_up = 0; } else if (msframe->button2_is_down) { msframe->button2_is_down = 0; msframe->ignore_next_lbutton_up = 1; mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP, MAKEPOINTS (lParam), wParam &~ (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON), GetMessageTime()); } else { if (msframe->button2_need_lbutton) { msframe->button2_need_lbutton = 0; mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN, MAKEPOINTS (lParam), wParam &~ MK_RBUTTON, GetMessageTime()); } mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONUP, MAKEPOINTS (lParam), wParam &~ MK_RBUTTON, GetMessageTime()); } break; case WM_LBUTTONDOWN: msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd))); if (msframe->button2_need_lbutton) { KillTimer (hwnd, BUTTON_2_TIMER_ID); msframe->button2_need_lbutton = 0; msframe->button2_need_rbutton = 0; if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam))) { mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN, MAKEPOINTS (lParam), wParam &~ (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON), GetMessageTime()); msframe->button2_is_down = 1; } else { mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN, msframe->last_click_point, msframe->last_click_mods &~ MK_RBUTTON, msframe->last_click_time); mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN, MAKEPOINTS (lParam), wParam &~ MK_LBUTTON, GetMessageTime()); } } else { mswindows_set_chord_timer (hwnd); msframe->button2_need_rbutton = 1; msframe->last_click_point = MAKEPOINTS (lParam); msframe->last_click_mods = wParam; } msframe->last_click_time = GetMessageTime(); break; case WM_RBUTTONDOWN: msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd))); if (msframe->button2_need_rbutton) { KillTimer (hwnd, BUTTON_2_TIMER_ID); msframe->button2_need_lbutton = 0; msframe->button2_need_rbutton = 0; if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam))) { mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN, MAKEPOINTS (lParam), wParam &~ (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON), GetMessageTime()); msframe->button2_is_down = 1; } else { mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN, msframe->last_click_point, msframe->last_click_mods &~ MK_LBUTTON, msframe->last_click_time); mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN, MAKEPOINTS (lParam), wParam &~ MK_RBUTTON, GetMessageTime()); } } else { mswindows_set_chord_timer (hwnd); msframe->button2_need_lbutton = 1; msframe->last_click_point = MAKEPOINTS (lParam); msframe->last_click_mods = wParam; } msframe->last_click_time = GetMessageTime(); break; case WM_TIMER: if (wParam == BUTTON_2_TIMER_ID) { msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd))); KillTimer (hwnd, BUTTON_2_TIMER_ID); if (msframe->button2_need_lbutton) { msframe->button2_need_lbutton = 0; mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN, msframe->last_click_point, msframe->last_click_mods &~ MK_RBUTTON, msframe->last_click_time); } else if (msframe->button2_need_rbutton) { msframe->button2_need_rbutton = 0; mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN, msframe->last_click_point, msframe->last_click_mods &~ MK_LBUTTON, msframe->last_click_time); } } else assert ("Spurious timer fired" == 0); break; case WM_MOUSEMOVE: /* Optimization: don't report mouse movement while size is changing */ msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd))); if (!msframe->sizing) { /* When waiting for the second mouse button to finish button2 emulation, and have moved too far, just pretend as if timer has expired. This improves drag-select feedback */ if ((msframe->button2_need_lbutton || msframe->button2_need_rbutton) && !mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam))) { KillTimer (hwnd, BUTTON_2_TIMER_ID); SendMessage (hwnd, WM_TIMER, BUTTON_2_TIMER_ID, 0); } emacs_event = Fmake_event (Qnil, Qnil); event = XEVENT(emacs_event); event->channel = mswindows_find_frame(hwnd); event->timestamp = GetMessageTime(); event->event_type = pointer_motion_event; event->event.motion.x = MAKEPOINTS(lParam).x; event->event.motion.y = MAKEPOINTS(lParam).y; event->event.motion.modifiers = mswindows_modifier_state (NULL, wParam, 0); mswindows_enqueue_dispatch_event (emacs_event); } break; case WM_CANCELMODE: ReleaseCapture (); /* Queue a `cancel-mode-internal' misc user event, so mouse selection would be canceled if any */ mswindows_enqueue_misc_user_event (mswindows_find_frame (hwnd), Qcancel_mode_internal, Qnil); break; case WM_NOTIFY: { LPNMHDR nmhdr = (LPNMHDR)lParam; if (nmhdr->code == TTN_NEEDTEXT) { #ifdef HAVE_TOOLBARS LPTOOLTIPTEXT tttext = (LPTOOLTIPTEXT)lParam; Lisp_Object btext; /* find out which toolbar */ frame = XFRAME (mswindows_find_frame (hwnd)); btext = mswindows_get_toolbar_button_text ( frame, nmhdr->idFrom ); tttext->lpszText = NULL; tttext->hinst = NULL; if (!NILP(btext)) { /* I think this is safe since the text will only go away when the toolbar does...*/ LISP_STRING_TO_EXTERNAL (btext, tttext->lpszText, Qnative); } #endif } /* handle tree view callbacks */ else if (nmhdr->code == TVN_SELCHANGED) { NM_TREEVIEW* ptree = (NM_TREEVIEW*)lParam; frame = XFRAME (mswindows_find_frame (hwnd)); mswindows_handle_gui_wm_command (frame, 0, ptree->itemNew.lParam); } /* handle tab control callbacks */ else if (nmhdr->code == TCN_SELCHANGE) { TC_ITEM item; int idx = SendMessage (nmhdr->hwndFrom, TCM_GETCURSEL, 0, 0); frame = XFRAME (mswindows_find_frame (hwnd)); item.mask = TCIF_PARAM; SendMessage (nmhdr->hwndFrom, TCM_GETITEM, (WPARAM)idx, (LPARAM)&item); mswindows_handle_gui_wm_command (frame, 0, item.lParam); } } break; case WM_PAINT: /* hdc will be NULL unless this is a subwindow - in which case we shouldn't have received a paint message for it here. */ assert (wParam == 0); /* Can't queue a magic event because windows goes modal and sends paint messages directly to the windows procedure when doing solid drags and the message queue doesn't get processed. */ mswindows_handle_paint (XFRAME (mswindows_find_frame (hwnd))); break; case WM_ACTIVATE: { /* * If we receive a WM_ACTIVATE message that indicates that our frame * is being activated, make sure that the frame is marked visible * if the window itself is visible. This seems to fix the problem * where XEmacs appears to lock-up after switching desktops with * some virtual window managers. */ int state = (int)(short) LOWORD(wParam); #ifdef DEBUG_XEMACS if (debug_mswindows_events) stderr_out("state = %d\n", state); #endif /* DEBUG_XEMACS */ if (state == WA_ACTIVE || state == WA_CLICKACTIVE) { #ifdef DEBUG_XEMACS if (debug_mswindows_events) stderr_out(" activating\n"); #endif /* DEBUG_XEMACS */ fobj = mswindows_find_frame (hwnd); frame = XFRAME (fobj); if (IsWindowVisible (hwnd)) { #ifdef DEBUG_XEMACS if (debug_mswindows_events) stderr_out(" window is visible\n"); #endif /* DEBUG_XEMACS */ if (!FRAME_VISIBLE_P (frame)) { #ifdef DEBUG_XEMACS if (debug_mswindows_events) stderr_out(" frame is not visible\n"); #endif /* DEBUG_XEMACS */ /* * It seems that we have to enqueue the XM_MAPFRAME event * prior to setting the frame visible so that * suspend-or-iconify-emacs works properly. */ mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME); FRAME_VISIBLE_P (frame) = 1; FRAME_ICONIFIED_P (frame) = 0; } #ifdef DEBUG_XEMACS else { if (debug_mswindows_events) stderr_out(" frame is visible\n"); } #endif /* DEBUG_XEMACS */ } #ifdef DEBUG_XEMACS else { if (debug_mswindows_events) stderr_out(" window is not visible\n"); } #endif /* DEBUG_XEMACS */ } return DefWindowProc (hwnd, message_, wParam, lParam); } break; case WM_WINDOWPOSCHANGED: /* This is sent before WM_SIZE; in fact, the processing of this by DefWindowProc() sends WM_SIZE. But WM_SIZE is not sent when a window is hidden (make-frame-invisible), so we need to process this and update the state flags. */ { fobj = mswindows_find_frame (hwnd); frame = XFRAME (fobj); if (IsIconic (hwnd)) { FRAME_VISIBLE_P (frame) = 0; FRAME_ICONIFIED_P (frame) = 1; } else if (IsWindowVisible (hwnd)) { /* APA: It's too early here to set the frame visible. * Let's do this later, in WM_SIZE processing, after the * magic XM_MAPFRAME event has been sent (just like 21.1 * did). */ /* FRAME_VISIBLE_P (frame) = 1; */ FRAME_ICONIFIED_P (frame) = 0; } else { FRAME_VISIBLE_P (frame) = 0; FRAME_ICONIFIED_P (frame) = 0; } return DefWindowProc (hwnd, message_, wParam, lParam); } case WM_SHOWWINDOW: /* The WM_SHOWWINDOW message is sent to a window when the window is about to be hidden or shown. APA: This message is also sent when switching to a virtual desktop under the virtuawin virtual window manager. */ { fobj = mswindows_find_frame (hwnd); frame = XFRAME (fobj); if (wParam == TRUE) { mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME); FRAME_VISIBLE_P (frame) = 1; } else { mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME); FRAME_VISIBLE_P (frame) = 0; } } break; case WM_SIZE: /* We only care about this message if our size has really changed */ if (wParam==SIZE_RESTORED || wParam==SIZE_MAXIMIZED || wParam==SIZE_MINIMIZED) { RECT rect; int columns, rows; fobj = mswindows_find_frame (hwnd); frame = XFRAME (fobj); msframe = FRAME_MSWINDOWS_DATA (frame); /* We cannot handle frame map and unmap hooks right in this routine, because these may throw. We queue magic events to run these hooks instead - kkm */ if (wParam==SIZE_MINIMIZED) { /* Iconified */ mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME); } else { GetClientRect(hwnd, &rect); FRAME_PIXWIDTH(frame) = rect.right; FRAME_PIXHEIGHT(frame) = rect.bottom; pixel_to_real_char_size (frame, rect.right, rect.bottom, &FRAME_MSWINDOWS_CHARWIDTH (frame), &FRAME_MSWINDOWS_CHARHEIGHT (frame)); pixel_to_char_size (frame, rect.right, rect.bottom, &columns, &rows); change_frame_size (frame, rows, columns, 1); /* If we are inside frame creation, we have to apply geometric properties now. */ if (FRAME_MSWINDOWS_TARGET_RECT (frame)) { /* Yes, we have to size again */ mswindows_size_frame_internal ( frame, FRAME_MSWINDOWS_TARGET_RECT (frame)); /* Reset so we do not get here again. The SetWindowPos call in * mswindows_size_frame_internal can cause recursion here. */ if (FRAME_MSWINDOWS_TARGET_RECT (frame)) { xfree (FRAME_MSWINDOWS_TARGET_RECT (frame)); FRAME_MSWINDOWS_TARGET_RECT (frame) = 0; } } else { if (!msframe->sizing && !FRAME_VISIBLE_P (frame)) { mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME); /* APA: Now that the magic XM_MAPFRAME event has * been sent we can mark the frame as visible (just * like 21.1 did). */ FRAME_VISIBLE_P (frame) = 1; } if (!msframe->sizing || mswindows_dynamic_frame_resize) redisplay (); } } } break; case WM_DISPLAYCHANGE: { struct device *d; DWORD message_tick = GetMessageTime (); fobj = mswindows_find_frame (hwnd); frame = XFRAME (fobj); d = XDEVICE (FRAME_DEVICE (frame)); /* Do this only once per message. XEmacs can receive this message through as many frames as it currently has open. Message time will be the same for all these messages. Despite extreme efficiency, the code below has about one in 4 billion probability that the HDC is not recreated, provided that XEmacs is running sufficiently longer than 52 days. */ if (DEVICE_MSWINDOWS_UPDATE_TICK(d) != message_tick) { DEVICE_MSWINDOWS_UPDATE_TICK(d) = message_tick; DeleteDC (DEVICE_MSWINDOWS_HCDC(d)); DEVICE_MSWINDOWS_HCDC(d) = CreateCompatibleDC (NULL); } } break; /* Misc magic events which only require that the frame be identified */ case WM_SETFOCUS: case WM_KILLFOCUS: mswindows_enqueue_magic_event (hwnd, message_); break; case WM_WINDOWPOSCHANGING: { WINDOWPOS *wp = (LPWINDOWPOS) lParam; WINDOWPLACEMENT wpl = { sizeof(WINDOWPLACEMENT) }; GetWindowPlacement(hwnd, &wpl); /* Only interested if size is changing and we're not being iconified */ if (wpl.showCmd != SW_SHOWMINIMIZED && wpl.showCmd != SW_SHOWMAXIMIZED && !(wp->flags & SWP_NOSIZE)) { RECT ncsize = { 0, 0, 0, 0 }; int pixwidth, pixheight; AdjustWindowRectEx (&ncsize, GetWindowLong (hwnd, GWL_STYLE), GetMenu(hwnd) != NULL, GetWindowLong (hwnd, GWL_EXSTYLE)); round_size_to_real_char (XFRAME (mswindows_find_frame (hwnd)), wp->cx - (ncsize.right - ncsize.left), wp->cy - (ncsize.bottom - ncsize.top), &pixwidth, &pixheight); /* Convert client sizes to window sizes */ pixwidth += (ncsize.right - ncsize.left); pixheight += (ncsize.bottom - ncsize.top); if (wpl.showCmd != SW_SHOWMAXIMIZED) { /* Adjust so that the bottom or right doesn't move if it's * the top or left that's being changed */ RECT rect; GetWindowRect (hwnd, &rect); if (rect.left != wp->x) wp->x += wp->cx - pixwidth; if (rect.top != wp->y) wp->y += wp->cy - pixheight; } wp->cx = pixwidth; wp->cy = pixheight; } /* DefWindowProc sends useful WM_GETMINMAXINFO message, and adjusts window position if the user tries to track window too small */ } goto defproc; case WM_ENTERSIZEMOVE: msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd))); msframe->sizing = 1; return 0; case WM_EXITSIZEMOVE: msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd))); msframe->sizing = 0; /* Queue noop event */ mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE); return 0; #ifdef HAVE_SCROLLBARS case WM_VSCROLL: case WM_HSCROLL: { /* Direction of scroll is determined by scrollbar instance. */ int code = (int) LOWORD(wParam); int pos = (short int) HIWORD(wParam); HWND hwndScrollBar = (HWND) lParam; struct gcpro gcpro1, gcpro2; mswindows_handle_scrollbar_event (hwndScrollBar, code, pos); GCPRO2 (emacs_event, fobj); if (UNBOUNDP(mswindows_pump_outstanding_events())) /* Can GC */ { /* Error during event pumping - cancel scroll */ SendMessage (hwndScrollBar, WM_CANCELMODE, 0, 0); } UNGCPRO; break; } case WM_MOUSEWHEEL: { int keys = LOWORD (wParam); /* Modifier key flags */ int delta = (short) HIWORD (wParam); /* Wheel rotation amount */ /* enqueue button4/5 events if mswindows_handle_mousewheel_event doesn't handle the event, such as when the scrollbars are not displayed */ if (!mswindows_handle_mousewheel_event (mswindows_find_frame (hwnd), keys, delta, MAKEPOINTS (lParam))) mswindows_enqueue_mouse_button_event (hwnd, message_, MAKEPOINTS (lParam), wParam, GetMessageTime()); /* We are not in a modal loop so no pumping is necessary. */ break; } #endif #ifdef HAVE_MENUBARS case WM_INITMENU: if (UNBOUNDP (mswindows_handle_wm_initmenu ( (HMENU) wParam, XFRAME (mswindows_find_frame (hwnd))))) SendMessage (hwnd, WM_CANCELMODE, 0, 0); break; case WM_INITMENUPOPUP: if (!HIWORD(lParam)) { if (UNBOUNDP (mswindows_handle_wm_initmenupopup ( (HMENU) wParam, XFRAME (mswindows_find_frame (hwnd))))) SendMessage (hwnd, WM_CANCELMODE, 0, 0); } break; #endif /* HAVE_MENUBARS */ case WM_COMMAND: { WORD id = LOWORD (wParam); WORD nid = HIWORD (wParam); HWND cid = (HWND)lParam; frame = XFRAME (mswindows_find_frame (hwnd)); #ifdef HAVE_TOOLBARS if (!NILP (mswindows_handle_toolbar_wm_command (frame, cid, id))) break; #endif /* widgets in a buffer only eval a callback for suitable events.*/ switch (nid) { case BN_CLICKED: case EN_CHANGE: case CBN_EDITCHANGE: case CBN_SELCHANGE: if (!NILP (mswindows_handle_gui_wm_command (frame, cid, id))) return 0; } /* menubars always must come last since the hashtables do not always exist*/ #ifdef HAVE_MENUBARS if (!NILP (mswindows_handle_wm_command (frame, id))) break; #endif return DefWindowProc (hwnd, message_, wParam, lParam); /* Bite me - a spurious command. This used to not be able to happen but with the introduction of widgets its now possible. */ } break; case WM_CTLCOLORBTN: case WM_CTLCOLORLISTBOX: case WM_CTLCOLOREDIT: case WM_CTLCOLORSTATIC: case WM_CTLCOLORSCROLLBAR: { /* if we get an opportunity to paint a widget then do so if there is an appropriate face */ HWND crtlwnd = (HWND)lParam; LONG ii = GetWindowLong (crtlwnd, GWL_USERDATA); if (ii) { Lisp_Object image_instance; VOID_TO_LISP (image_instance, ii); if (IMAGE_INSTANCEP (image_instance) && IMAGE_INSTANCE_TYPE_P (image_instance, IMAGE_WIDGET)) { /* set colors for the buttons */ HDC hdc = (HDC)wParam; if (last_widget_brushed != ii) { if (widget_brush) DeleteObject (widget_brush); widget_brush = CreateSolidBrush (COLOR_INSTANCE_MSWINDOWS_COLOR (XCOLOR_INSTANCE (FACE_BACKGROUND (XIMAGE_INSTANCE_WIDGET_FACE (image_instance), XIMAGE_INSTANCE_FRAME (image_instance))))); } last_widget_brushed = ii; SetTextColor (hdc, COLOR_INSTANCE_MSWINDOWS_COLOR (XCOLOR_INSTANCE (FACE_FOREGROUND (XIMAGE_INSTANCE_WIDGET_FACE (image_instance), XIMAGE_INSTANCE_FRAME (image_instance))))); SetBkMode (hdc, OPAQUE); SetBkColor (hdc, COLOR_INSTANCE_MSWINDOWS_COLOR (XCOLOR_INSTANCE (FACE_BACKGROUND (XIMAGE_INSTANCE_WIDGET_FACE (image_instance), XIMAGE_INSTANCE_FRAME (image_instance))))); return (LRESULT)widget_brush; } } } goto defproc; #ifdef HAVE_DRAGNDROP case WM_DROPFILES: /* implementation ripped-off from event-Xt.c */ { UINT filecount, i, len; POINT point; char* filename; char* fname; Lisp_Object l_dndlist = Qnil, l_item = Qnil; struct gcpro gcpro1, gcpro2, gcpro3; emacs_event = Fmake_event (Qnil, Qnil); event = XEVENT(emacs_event); GCPRO3 (emacs_event, l_dndlist, l_item); if (!DragQueryPoint ((HDROP) wParam, &point)) point.x = point.y = -1; /* outside client area */ event->event_type = misc_user_event; event->channel = mswindows_find_frame(hwnd); event->timestamp = GetMessageTime(); event->event.misc.button = 1; /* #### Should try harder */ event->event.misc.modifiers = mswindows_modifier_state (NULL, (DWORD) -1, 0); event->event.misc.x = point.x; event->event.misc.y = point.y; event->event.misc.function = Qdragdrop_drop_dispatch; filecount = DragQueryFile ((HDROP) wParam, 0xffffffff, NULL, 0); for (i=0; i/ part and * because they may contain reserved characters. But that's OK - * they just need to be good enough to keep dragdrop.el happy. */ fname = (char *)xmalloc (len+1); DragQueryFile ((HANDLE) wParam, i, fname, len+1); /* May be a shell link aka "shortcut" - replace fname if so */ #if !(defined(CYGWIN) || defined(MINGW)) /* cygwin doesn't define this COM stuff */ if (!stricmp (fname + strlen (fname) - 4, ".LNK")) { IShellLink* psl; if (CoCreateInstance (&CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, &IID_IShellLink, &psl) == S_OK) { IPersistFile* ppf; if (psl->lpVtbl->QueryInterface (psl, &IID_IPersistFile, &ppf) == S_OK) { OLECHAR wsz[PATH_MAX]; WIN32_FIND_DATA wfd; LPSTR resolved = (char *) xmalloc (PATH_MAX+1); MultiByteToWideChar (CP_ACP,0, fname, -1, wsz, PATH_MAX); if ((ppf->lpVtbl->Load (ppf, wsz, STGM_READ) == S_OK) && (psl->lpVtbl->GetPath (psl, resolved, PATH_MAX, &wfd, 0)==S_OK)) { xfree (fname); fname = resolved; len = strlen (fname); } ppf->lpVtbl->Release (ppf); } psl->lpVtbl->Release (psl); } } #endif #ifdef CYGWIN filename = xmalloc (cygwin_win32_to_posix_path_list_buf_size (fname) + 5); strcpy (filename, "file:"); cygwin_win32_to_posix_path_list (fname, filename+5); #else filename = (char *)xmalloc (len+6); strcat (strcpy (filename, "file:"), fname); dostounix_filename (filename+5); #endif xfree (fname); l_item = make_string (filename, strlen (filename)); l_dndlist = Fcons (l_item, l_dndlist); xfree (filename); } DragFinish ((HDROP) wParam); event->event.misc.object = Fcons (Qdragdrop_URL, l_dndlist); mswindows_enqueue_dispatch_event (emacs_event); UNGCPRO; } break; #endif defproc: default: return DefWindowProc (hwnd, message_, wParam, lParam); } return (0); } /************************************************************************/ /* keyboard, mouse & other helpers for the windows procedure */ /************************************************************************/ static void mswindows_set_chord_timer (HWND hwnd) { int interval; /* We get one third half system double click threshold */ if (mswindows_mouse_button_tolerance <= 0) interval = GetDoubleClickTime () / 3; else interval = mswindows_mouse_button_tolerance; SetTimer (hwnd, BUTTON_2_TIMER_ID, interval, 0); } static int mswindows_button2_near_enough (POINTS p1, POINTS p2) { int dx, dy; if (mswindows_mouse_button_max_skew_x <= 0) dx = GetSystemMetrics (SM_CXDOUBLECLK) / 2; else dx = mswindows_mouse_button_max_skew_x; if (mswindows_mouse_button_max_skew_y <= 0) dy = GetSystemMetrics (SM_CYDOUBLECLK) / 2; else dy = mswindows_mouse_button_max_skew_y; return abs (p1.x - p2.x) < dx && abs (p1.y- p2.y)< dy; } static int mswindows_current_layout_has_AltGr (void) { /* This simple caching mechanism saves 10% of CPU time when a key typed at autorepeat rate of 30 cps! */ static HKL last_hkl = 0; static int last_hkl_has_AltGr; HKL current_hkl = (HKL) -1; if (xGetKeyboardLayout) /* not in NT 3.5 */ current_hkl = xGetKeyboardLayout (0); if (current_hkl != last_hkl) { TCHAR c; last_hkl_has_AltGr = 0; /* In this loop, we query whether a character requires AltGr to be down to generate it. If at least such one found, this means that the layout does regard AltGr */ for (c = ' '; c <= 0xFFU && c != 0 && !last_hkl_has_AltGr; ++c) if (HIBYTE (VkKeyScan (c)) == 6) last_hkl_has_AltGr = 1; last_hkl = current_hkl; } return last_hkl_has_AltGr; } /* Returns the state of the modifier keys in the format expected by the * Lisp_Event key_data, button_data and motion_data modifiers member */ static int mswindows_modifier_state (BYTE* keymap, DWORD fwKeys, int has_AltGr) { int mods = 0; int keys_is_real = 0; BYTE keymap2[256]; if (fwKeys == (DWORD) -1) fwKeys = mswindows_last_mouse_button_state; else { keys_is_real = 1; mswindows_last_mouse_button_state = fwKeys; } if (keymap == NULL) { keymap = keymap2; GetKeyboardState (keymap); has_AltGr = mswindows_current_layout_has_AltGr (); } /* #### should look at fwKeys for MK_CONTROL. I don't understand how AltGr works. */ if (has_AltGr && (keymap [VK_LCONTROL] & 0x80) && (keymap [VK_RMENU] & 0x80)) { mods |= (keymap [VK_LMENU] & 0x80) ? XEMACS_MOD_META : 0; mods |= (keymap [VK_RCONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0; } else { mods |= (keymap [VK_MENU] & 0x80) ? XEMACS_MOD_META : 0; mods |= (keymap [VK_CONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0; } mods |= (keys_is_real ? fwKeys & MK_SHIFT : (keymap [VK_SHIFT] & 0x80)) ? XEMACS_MOD_SHIFT : 0; mods |= fwKeys & MK_LBUTTON ? XEMACS_MOD_BUTTON1 : 0; mods |= fwKeys & MK_MBUTTON ? XEMACS_MOD_BUTTON2 : 0; mods |= fwKeys & MK_RBUTTON ? XEMACS_MOD_BUTTON3 : 0; return mods; } /* * Translate a mswindows virtual key to a keysym. * Only returns non-Qnil for keys that don't generate WM_CHAR messages * or whose ASCII codes (like space) xemacs doesn't like. */ Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods, int extendedp) { if (extendedp) /* Keys not present on a 82 key keyboard */ { switch (mswindows_key) { case VK_CANCEL: return KEYSYM ("pause"); case VK_RETURN: return KEYSYM ("kp-enter"); case VK_PRIOR: return KEYSYM ("prior"); case VK_NEXT: return KEYSYM ("next"); case VK_END: return KEYSYM ("end"); case VK_HOME: return KEYSYM ("home"); case VK_LEFT: return KEYSYM ("left"); case VK_UP: return KEYSYM ("up"); case VK_RIGHT: return KEYSYM ("right"); case VK_DOWN: return KEYSYM ("down"); case VK_INSERT: return KEYSYM ("insert"); case VK_DELETE: return QKdelete; #if 0 /* FSF Emacs allows these to return configurable syms/mods */ case VK_LWIN return KEYSYM (""); case VK_RWIN return KEYSYM (""); #endif case VK_APPS: return KEYSYM ("menu"); } } else { switch (mswindows_key) { case VK_BACK: return QKbackspace; case VK_TAB: return QKtab; case '\n': return QKlinefeed; case VK_CLEAR: return KEYSYM ("clear"); case VK_RETURN: return QKreturn; case VK_PAUSE: return KEYSYM ("pause"); case VK_ESCAPE: return QKescape; case VK_SPACE: return QKspace; case VK_PRIOR: return KEYSYM ("kp-prior"); case VK_NEXT: return KEYSYM ("kp-next"); case VK_END: return KEYSYM ("kp-end"); case VK_HOME: return KEYSYM ("kp-home"); case VK_LEFT: return KEYSYM ("kp-left"); case VK_UP: return KEYSYM ("kp-up"); case VK_RIGHT: return KEYSYM ("kp-right"); case VK_DOWN: return KEYSYM ("kp-down"); case VK_SELECT: return KEYSYM ("select"); case VK_PRINT: return KEYSYM ("print"); case VK_EXECUTE: return KEYSYM ("execute"); case VK_SNAPSHOT: return KEYSYM ("print"); case VK_INSERT: return KEYSYM ("kp-insert"); case VK_DELETE: return KEYSYM ("kp-delete"); case VK_HELP: return KEYSYM ("help"); case VK_NUMPAD0: return KEYSYM ("kp-0"); case VK_NUMPAD1: return KEYSYM ("kp-1"); case VK_NUMPAD2: return KEYSYM ("kp-2"); case VK_NUMPAD3: return KEYSYM ("kp-3"); case VK_NUMPAD4: return KEYSYM ("kp-4"); case VK_NUMPAD5: return KEYSYM ("kp-5"); case VK_NUMPAD6: return KEYSYM ("kp-6"); case VK_NUMPAD7: return KEYSYM ("kp-7"); case VK_NUMPAD8: return KEYSYM ("kp-8"); case VK_NUMPAD9: return KEYSYM ("kp-9"); case VK_MULTIPLY: return KEYSYM ("kp-multiply"); case VK_ADD: return KEYSYM ("kp-add"); case VK_SEPARATOR: return KEYSYM ("kp-separator"); case VK_SUBTRACT: return KEYSYM ("kp-subtract"); case VK_DECIMAL: return KEYSYM ("kp-decimal"); case VK_DIVIDE: return KEYSYM ("kp-divide"); case VK_F1: return KEYSYM ("f1"); case VK_F2: return KEYSYM ("f2"); case VK_F3: return KEYSYM ("f3"); case VK_F4: return KEYSYM ("f4"); case VK_F5: return KEYSYM ("f5"); case VK_F6: return KEYSYM ("f6"); case VK_F7: return KEYSYM ("f7"); case VK_F8: return KEYSYM ("f8"); case VK_F9: return KEYSYM ("f9"); case VK_F10: return KEYSYM ("f10"); case VK_F11: return KEYSYM ("f11"); case VK_F12: return KEYSYM ("f12"); case VK_F13: return KEYSYM ("f13"); case VK_F14: return KEYSYM ("f14"); case VK_F15: return KEYSYM ("f15"); case VK_F16: return KEYSYM ("f16"); case VK_F17: return KEYSYM ("f17"); case VK_F18: return KEYSYM ("f18"); case VK_F19: return KEYSYM ("f19"); case VK_F20: return KEYSYM ("f20"); case VK_F21: return KEYSYM ("f21"); case VK_F22: return KEYSYM ("f22"); case VK_F23: return KEYSYM ("f23"); case VK_F24: return KEYSYM ("f24"); } } return Qnil; } /* * Find the console that matches the supplied mswindows window handle */ Lisp_Object mswindows_find_console (HWND hwnd) { /* We only support one console */ return XCAR (Vconsole_list); } /* * Find the frame that matches the supplied mswindows window handle */ Lisp_Object mswindows_find_frame (HWND hwnd) { LONG l = GetWindowLong (hwnd, XWL_FRAMEOBJ); Lisp_Object f; if (l == 0) { /* We are in progress of frame creation. Return the frame being created, as it still not remembered in the window extra storage. */ assert (!NILP (Vmswindows_frame_being_created)); return Vmswindows_frame_being_created; } VOID_TO_LISP (f, l); return f; } /************************************************************************/ /* methods */ /************************************************************************/ static int emacs_mswindows_add_timeout (EMACS_TIME thyme) { int milliseconds; EMACS_TIME current_time; EMACS_GET_TIME (current_time); EMACS_SUB_TIME (thyme, thyme, current_time); milliseconds = EMACS_SECS (thyme) * 1000 + (EMACS_USECS (thyme) + 500) / 1000; if (milliseconds < 1) milliseconds = 1; ++mswindows_pending_timers_count; return SetTimer (NULL, 0, milliseconds, (TIMERPROC) mswindows_wm_timer_callback); } static void emacs_mswindows_remove_timeout (int id) { Lisp_Event match_against; Lisp_Object emacs_event; if (KillTimer (NULL, id)) --mswindows_pending_timers_count; /* If there is a dispatch event generated by this timeout in the queue, we have to remove it too. */ match_against.event_type = timeout_event; match_against.event.timeout.interval_id = id; emacs_event = mswindows_cancel_dispatch_event (&match_against); if (!NILP (emacs_event)) Fdeallocate_event(emacs_event); } /* If `user_p' is false, then return whether there are any win32, timeout, * or subprocess events pending (that is, whether * emacs_mswindows_next_event() would return immediately without blocking). * * if `user_p' is true, then return whether there are any *user generated* * events available (that is, whether there are keyboard or mouse-click * events ready to be read). This also implies that * emacs_mswindows_next_event() would not block. */ static int emacs_mswindows_event_pending_p (int user_p) { mswindows_need_event (0); return (!NILP (mswindows_u_dispatch_event_queue) || (!user_p && !NILP (mswindows_s_dispatch_event_queue))); } /* * Return the next event */ static void emacs_mswindows_next_event (Lisp_Event *emacs_event) { Lisp_Object event, event2; mswindows_need_event (1); event = mswindows_dequeue_dispatch_event (); XSETEVENT (event2, emacs_event); Fcopy_event (event, event2); Fdeallocate_event (event); } /* * Handle a magic event off the dispatch queue. */ static void emacs_mswindows_handle_magic_event (Lisp_Event *emacs_event) { switch (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event)) { case XM_BUMPQUEUE: break; case WM_PAINT: { struct frame *f = XFRAME (EVENT_CHANNEL (emacs_event)); mswindows_handle_paint (f); (FRAME_MSWINDOWS_DATA (f))->paint_pending = 0; } break; case WM_SETFOCUS: case WM_KILLFOCUS: { Lisp_Object frame = EVENT_CHANNEL (emacs_event); struct frame *f = XFRAME (frame); int in_p = (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == WM_SETFOCUS); Lisp_Object conser; struct gcpro gcpro1; /* On focus change, clear all memory of sticky modifiers to avoid non-intuitive behavior. */ clear_sticky_modifiers (); conser = Fcons (frame, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil)); GCPRO1 (conser); emacs_handle_focus_change_preliminary (conser); /* Under X the stuff up to here is done in the X event handler. I Don't know why */ emacs_handle_focus_change_final (conser); UNGCPRO; } break; case XM_MAPFRAME: case XM_UNMAPFRAME: { Lisp_Object frame = EVENT_CHANNEL (emacs_event); va_run_hook_with_args (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == XM_MAPFRAME ? Qmap_frame_hook : Qunmap_frame_hook, 1, frame); } break; /* #### What about Enter & Leave */ #if 0 va_run_hook_with_args (in_p ? Qmouse_enter_frame_hook : Qmouse_leave_frame_hook, 1, frame); #endif default: assert(0); } } #ifndef HAVE_MSG_SELECT static HANDLE get_process_input_waitable (Lisp_Process *process) { Lisp_Object instr, outstr, p; XSETPROCESS (p, process); get_process_streams (process, &instr, &outstr); assert (!NILP (instr)); #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT) return (network_connection_p (p) ? get_winsock_stream_waitable (XLSTREAM (instr)) : get_ntpipe_input_stream_waitable (XLSTREAM (instr))); #else return get_ntpipe_input_stream_waitable (XLSTREAM (instr)); #endif } static void emacs_mswindows_select_process (Lisp_Process *process) { HANDLE hev = get_process_input_waitable (process); if (!add_waitable_handle (hev)) error ("Too many active processes"); #ifdef HAVE_WIN32_PROCESSES { Lisp_Object p; XSETPROCESS (p, process); if (!network_connection_p (p)) { HANDLE hprocess = get_nt_process_handle (process); if (!add_waitable_handle (hprocess)) { remove_waitable_handle (hev); error ("Too many active processes"); } } } #endif } static void emacs_mswindows_unselect_process (Lisp_Process *process) { /* Process handle is removed in the event loop as soon as it is signaled, so don't bother here about it */ HANDLE hev = get_process_input_waitable (process); remove_waitable_handle (hev); } #endif /* HAVE_MSG_SELECT */ static void emacs_mswindows_select_console (struct console *con) { #ifdef HAVE_MSG_SELECT if (CONSOLE_MSWINDOWS_P (con)) return; /* mswindows consoles are automatically selected */ event_stream_unixoid_select_console (con); #endif } static void emacs_mswindows_unselect_console (struct console *con) { #ifdef HAVE_MSG_SELECT if (CONSOLE_MSWINDOWS_P (con)) return; /* mswindows consoles are automatically selected */ event_stream_unixoid_unselect_console (con); #endif } static void emacs_mswindows_quit_p (void) { /* Quit cannot happen in modal loop: all program input is dedicated to Windows. */ if (mswindows_in_modal_loop) return; mswindows_quit_chars_count = 0; /* Drain windows queue. This sets up number of quit characters in the queue. */ mswindows_drain_windows_queue (); if (mswindows_quit_chars_count > 0) { /* Yes there's a hidden one... Throw it away */ Lisp_Event match_against; Lisp_Object emacs_event; int critical_p = 0; match_against.event_type = key_press_event; match_against.event.key.modifiers = FAKE_MOD_QUIT; while (mswindows_quit_chars_count > 0) { emacs_event = mswindows_cancel_dispatch_event (&match_against); assert (!NILP (emacs_event)); if (XEVENT (emacs_event)->event.key.modifiers & FAKE_MOD_QUIT_CRITICAL) critical_p = 1; Fdeallocate_event (emacs_event); mswindows_quit_chars_count--; } Vquit_flag = critical_p ? Qcritical : Qt; } } USID emacs_mswindows_create_stream_pair (void* inhandle, void* outhandle, Lisp_Object* instream, Lisp_Object* outstream, int flags) { /* Handles for streams */ HANDLE hin, hout; /* fds. These just stored along with the streams, and are closed in delete stream pair method, because we need to handle fake unices here. */ int fdi, fdo; /* Decode inhandle and outhandle. Their meaning depends on the process implementation being used. */ #if defined (HAVE_WIN32_PROCESSES) /* We're passed in Windows handles. That's what we like most... */ hin = (HANDLE) inhandle; hout = (HANDLE) outhandle; fdi = fdo = -1; #elif defined (HAVE_UNIX_PROCESSES) /* We are passed UNIX fds. This must be Cygwin. Fetch os handles */ hin = inhandle >= 0 ? (HANDLE)get_osfhandle ((int)inhandle) : INVALID_HANDLE_VALUE; hout = outhandle >= 0 ? (HANDLE)get_osfhandle ((int)outhandle) : INVALID_HANDLE_VALUE; fdi=(int)inhandle; fdo=(int)outhandle; #else #error "So, WHICH kind of processes do you want?" #endif *instream = (hin == INVALID_HANDLE_VALUE ? Qnil #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT) : flags & STREAM_NETWORK_CONNECTION ? make_winsock_input_stream ((SOCKET)hin, fdi) #endif : make_ntpipe_input_stream (hin, fdi)); #ifdef HAVE_WIN32_PROCESSES *outstream = (hout == INVALID_HANDLE_VALUE ? Qnil #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT) : flags & STREAM_NETWORK_CONNECTION ? make_winsock_output_stream ((SOCKET)hout, fdo) #endif : make_ntpipe_output_stream (hout, fdo)); #elif defined (HAVE_UNIX_PROCESSES) *outstream = (fdo >= 0 ? make_filedesc_output_stream (fdo, 0, -1, LSTR_BLOCKED_OK) : Qnil); #if defined(HAVE_UNIX_PROCESSES) && defined(HAVE_PTYS) /* FLAGS is process->pty_flag for UNIX_PROCESSES */ if ((flags & STREAM_PTY_FLUSHING) && fdo >= 0) { Bufbyte eof_char = get_eof_char (fdo); int pty_max_bytes = get_pty_max_bytes (fdo); filedesc_stream_set_pty_flushing (XLSTREAM(*outstream), pty_max_bytes, eof_char); } #endif #endif return (NILP (*instream) ? USID_ERROR #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT) : flags & STREAM_NETWORK_CONNECTION ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (*instream))) #endif : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (*instream)))); } USID emacs_mswindows_delete_stream_pair (Lisp_Object instream, Lisp_Object outstream) { /* Oh nothing special here for Win32 at all */ #if defined (HAVE_UNIX_PROCESSES) int in = (NILP(instream) ? -1 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT) : LSTREAM_TYPE_P (XLSTREAM (instream), winsock) ? get_winsock_stream_param (XLSTREAM (instream)) #endif : get_ntpipe_input_stream_param (XLSTREAM (instream))); int out = (NILP(outstream) ? -1 : filedesc_stream_fd (XLSTREAM (outstream))); if (in >= 0) close (in); if (out != in && out >= 0) close (out); #endif return (NILP (instream) ? USID_DONTHASH #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT) : LSTREAM_TYPE_P (XLSTREAM (instream), winsock) ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (instream))) #endif : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (instream)))); } static int emacs_mswindows_current_event_timestamp (struct console *c) { return GetTickCount (); } #ifndef HAVE_X_WINDOWS /* This is called from GC when a process object is about to be freed. If we've still got pointers to it in this file, we're gonna lose hard. */ void debug_process_finalization (Lisp_Process *p) { #if 0 /* #### */ Lisp_Object instr, outstr; get_process_streams (p, &instr, &outstr); /* if it still has fds, then it hasn't been killed yet. */ assert (NILP(instr)); assert (NILP(outstr)); /* #### More checks here */ #endif } #endif #ifdef DEBUG_XEMACS struct mswin_message_debug { int mess; char *string; }; #define FROB(val) { val, #val, }, struct mswin_message_debug debug_mswin_messages[] = { FROB (WM_NULL) FROB (WM_CREATE) FROB (WM_DESTROY) FROB (WM_MOVE) FROB (WM_SIZE) FROB (WM_ACTIVATE) FROB (WM_SETFOCUS) FROB (WM_KILLFOCUS) FROB (WM_ENABLE) FROB (WM_SETREDRAW) FROB (WM_SETTEXT) FROB (WM_GETTEXT) FROB (WM_GETTEXTLENGTH) FROB (WM_PAINT) FROB (WM_CLOSE) FROB (WM_QUERYENDSESSION) FROB (WM_QUIT) FROB (WM_QUERYOPEN) FROB (WM_ERASEBKGND) FROB (WM_SYSCOLORCHANGE) FROB (WM_ENDSESSION) FROB (WM_SHOWWINDOW) FROB (WM_WININICHANGE) #if(WINVER >= 0x0400) FROB (WM_SETTINGCHANGE) #endif /* WINVER >= 0x0400 */ FROB (WM_DEVMODECHANGE) FROB (WM_ACTIVATEAPP) FROB (WM_FONTCHANGE) FROB (WM_TIMECHANGE) FROB (WM_CANCELMODE) FROB (WM_SETCURSOR) FROB (WM_MOUSEACTIVATE) FROB (WM_CHILDACTIVATE) FROB (WM_QUEUESYNC) FROB (WM_GETMINMAXINFO) FROB (WM_PAINTICON) FROB (WM_ICONERASEBKGND) FROB (WM_NEXTDLGCTL) FROB (WM_SPOOLERSTATUS) FROB (WM_DRAWITEM) FROB (WM_MEASUREITEM) FROB (WM_DELETEITEM) FROB (WM_VKEYTOITEM) FROB (WM_CHARTOITEM) FROB (WM_SETFONT) FROB (WM_GETFONT) FROB (WM_SETHOTKEY) FROB (WM_GETHOTKEY) FROB (WM_QUERYDRAGICON) FROB (WM_COMPAREITEM) #if(WINVER >= 0x0500) && defined(WM_GETOBJECT) FROB (WM_GETOBJECT) #endif /* WINVER >= 0x0500 */ FROB (WM_COMPACTING) FROB (WM_COMMNOTIFY) FROB (WM_WINDOWPOSCHANGING) FROB (WM_WINDOWPOSCHANGED) FROB (WM_POWER) FROB (WM_COPYDATA) FROB (WM_CANCELJOURNAL) #if(WINVER >= 0x0400) FROB (WM_NOTIFY) FROB (WM_INPUTLANGCHANGEREQUEST) FROB (WM_INPUTLANGCHANGE) FROB (WM_TCARD) FROB (WM_HELP) FROB (WM_USERCHANGED) FROB (WM_NOTIFYFORMAT) FROB (WM_CONTEXTMENU) FROB (WM_STYLECHANGING) FROB (WM_STYLECHANGED) FROB (WM_DISPLAYCHANGE) FROB (WM_GETICON) FROB (WM_SETICON) #endif /* WINVER >= 0x0400 */ FROB (WM_NCCREATE) FROB (WM_NCDESTROY) FROB (WM_NCCALCSIZE) FROB (WM_NCHITTEST) FROB (WM_NCPAINT) FROB (WM_NCACTIVATE) FROB (WM_GETDLGCODE) #ifdef WM_SYNCPAINT /* not in VC 5 */ FROB (WM_SYNCPAINT) #endif /* WM_SYNCPAINT */ FROB (WM_NCMOUSEMOVE) FROB (WM_NCLBUTTONDOWN) FROB (WM_NCLBUTTONUP) FROB (WM_NCLBUTTONDBLCLK) FROB (WM_NCRBUTTONDOWN) FROB (WM_NCRBUTTONUP) FROB (WM_NCRBUTTONDBLCLK) FROB (WM_NCMBUTTONDOWN) FROB (WM_NCMBUTTONUP) FROB (WM_NCMBUTTONDBLCLK) /* FROB (WM_KEYFIRST) */ FROB (WM_KEYDOWN) FROB (WM_KEYUP) FROB (WM_CHAR) FROB (WM_DEADCHAR) FROB (WM_SYSKEYDOWN) FROB (WM_SYSKEYUP) FROB (WM_SYSCHAR) FROB (WM_SYSDEADCHAR) FROB (WM_KEYLAST) #if(WINVER >= 0x0400) && defined (WM_IME_STARTCOMPOSITION) FROB (WM_IME_STARTCOMPOSITION) FROB (WM_IME_ENDCOMPOSITION) FROB (WM_IME_COMPOSITION) FROB (WM_IME_KEYLAST) #endif /* WINVER >= 0x0400 && defined (WM_IME_STARTCOMPOSITION) */ FROB (WM_INITDIALOG) FROB (WM_COMMAND) FROB (WM_SYSCOMMAND) FROB (WM_TIMER) FROB (WM_HSCROLL) FROB (WM_VSCROLL) FROB (WM_INITMENU) FROB (WM_INITMENUPOPUP) FROB (WM_MENUSELECT) FROB (WM_MENUCHAR) FROB (WM_ENTERIDLE) #if(WINVER >= 0x0500) FROB (WM_MENURBUTTONUP) #ifdef WM_MENUDRAG FROB (WM_MENUDRAG) #endif #ifdef WM_MENUGETOBJECT FROB (WM_MENUGETOBJECT) #endif #ifdef WM_UNINITMENUPOPUP FROB (WM_UNINITMENUPOPUP) #endif #ifdef WM_MENUCOMMAND FROB (WM_MENUCOMMAND) #endif #endif /* WINVER >= 0x0500 */ FROB (WM_CTLCOLORMSGBOX) FROB (WM_CTLCOLOREDIT) FROB (WM_CTLCOLORLISTBOX) FROB (WM_CTLCOLORBTN) FROB (WM_CTLCOLORDLG) FROB (WM_CTLCOLORSCROLLBAR) FROB (WM_CTLCOLORSTATIC) /* FROB (WM_MOUSEFIRST) */ FROB (WM_MOUSEMOVE) FROB (WM_LBUTTONDOWN) FROB (WM_LBUTTONUP) FROB (WM_LBUTTONDBLCLK) FROB (WM_RBUTTONDOWN) FROB (WM_RBUTTONUP) FROB (WM_RBUTTONDBLCLK) FROB (WM_MBUTTONDOWN) FROB (WM_MBUTTONUP) FROB (WM_MBUTTONDBLCLK) #if (_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400) FROB (WM_MOUSEWHEEL) FROB (WM_MOUSELAST) #else FROB (WM_MOUSELAST) #endif /* if (_WIN32_WINNT < 0x0400) */ FROB (WM_PARENTNOTIFY) FROB (WM_ENTERMENULOOP) FROB (WM_EXITMENULOOP) #if(WINVER >= 0x0400) FROB (WM_NEXTMENU) FROB (WM_SIZING) FROB (WM_CAPTURECHANGED) FROB (WM_MOVING) FROB (WM_POWERBROADCAST) FROB (WM_DEVICECHANGE) #endif /* WINVER >= 0x0400 */ FROB (WM_MDICREATE) FROB (WM_MDIDESTROY) FROB (WM_MDIACTIVATE) FROB (WM_MDIRESTORE) FROB (WM_MDINEXT) FROB (WM_MDIMAXIMIZE) FROB (WM_MDITILE) FROB (WM_MDICASCADE) FROB (WM_MDIICONARRANGE) FROB (WM_MDIGETACTIVE) FROB (WM_MDISETMENU) FROB (WM_ENTERSIZEMOVE) FROB (WM_EXITSIZEMOVE) FROB (WM_DROPFILES) FROB (WM_MDIREFRESHMENU) #ifdef WM_IME_SETCONTEXT /* not in Cygwin? */ #if(WINVER >= 0x0400) && !defined(CYGWIN) FROB (WM_IME_SETCONTEXT) FROB (WM_IME_NOTIFY) FROB (WM_IME_CONTROL) FROB (WM_IME_COMPOSITIONFULL) FROB (WM_IME_SELECT) FROB (WM_IME_CHAR) #endif /* WINVER >= 0x0400 */ #if(WINVER >= 0x0500) && defined(WM_IME_REQUEST) FROB (WM_IME_REQUEST) #endif /* WINVER >= 0x0500 */ #if(WINVER >= 0x0400) && !defined(CYGWIN) FROB (WM_IME_KEYDOWN) FROB (WM_IME_KEYUP) #endif /* WINVER >= 0x0400 */ #endif /* WM_IME_SETCONTEXT */ #if(_WIN32_WINNT >= 0x0400) FROB (WM_MOUSEHOVER) FROB (WM_MOUSELEAVE) #endif /* _WIN32_WINNT >= 0x0400 */ FROB (WM_CUT) FROB (WM_COPY) FROB (WM_PASTE) FROB (WM_CLEAR) FROB (WM_UNDO) FROB (WM_RENDERFORMAT) FROB (WM_RENDERALLFORMATS) FROB (WM_DESTROYCLIPBOARD) FROB (WM_DRAWCLIPBOARD) FROB (WM_PAINTCLIPBOARD) FROB (WM_VSCROLLCLIPBOARD) FROB (WM_SIZECLIPBOARD) FROB (WM_ASKCBFORMATNAME) FROB (WM_CHANGECBCHAIN) FROB (WM_HSCROLLCLIPBOARD) FROB (WM_QUERYNEWPALETTE) FROB (WM_PALETTEISCHANGING) FROB (WM_PALETTECHANGED) FROB (WM_HOTKEY) #if(WINVER >= 0x0400) FROB (WM_PRINT) FROB (WM_PRINTCLIENT) FROB (WM_HANDHELDFIRST) FROB (WM_HANDHELDLAST) FROB (WM_AFXFIRST) FROB (WM_AFXLAST) #endif /* WINVER >= 0x0400 */ FROB (WM_PENWINFIRST) FROB (WM_PENWINLAST) }; #undef FROB static void debug_output_mswin_message (HWND hwnd, UINT message_, WPARAM wParam, LPARAM lParam) { Lisp_Object frame = mswindows_find_frame (hwnd); int i; char *str = 0; /* struct mswin_message_debug *i_hate_cranking_out_code_like_this; */ for (i = 0; i < countof (debug_mswin_messages); i++) { if (debug_mswin_messages[i].mess == message_) { str = debug_mswin_messages[i].string; break; } } if (str) stderr_out ("%s", str); else stderr_out ("%x", message_); if (debug_mswindows_events > 1) { stderr_out (" wparam=%d lparam=%d hwnd=%x frame: ", wParam, (int) lParam, (unsigned int) hwnd); debug_print (frame); if (message_ == WM_WINDOWPOSCHANGED || message_ == WM_WINDOWPOSCHANGING) { WINDOWPOS *wp = (WINDOWPOS *) lParam; stderr_out(" WINDOWPOS: x=%d, y=%d, h=%d, w=%d\n", wp->x, wp->y, wp->cx, wp->cy); } else if (message_ == WM_MOVE) { int x = (int)(short) LOWORD(lParam); /* horizontal position */ int y = (int)(short) HIWORD(lParam); /* vertical position */ stderr_out(" MOVE: x=%d, y=%d\n", x, y); } else if (message_ == WM_SIZE) { int w = (int)(short) LOWORD(lParam); /* width */ int h = (int)(short) HIWORD(lParam); /* height */ stderr_out(" SIZE: w=%d, h=%d\n", w, h); } } else stderr_out ("\n"); } #endif /* DEBUG_XEMACS */ /************************************************************************/ /* initialization */ /************************************************************************/ void reinit_vars_of_event_mswindows (void) { mswindows_in_modal_loop = 0; mswindows_pending_timers_count = 0; mswindows_event_stream = xnew (struct event_stream); mswindows_event_stream->event_pending_p = emacs_mswindows_event_pending_p; mswindows_event_stream->force_event_pending = 0; mswindows_event_stream->next_event_cb = emacs_mswindows_next_event; mswindows_event_stream->handle_magic_event_cb = emacs_mswindows_handle_magic_event; mswindows_event_stream->add_timeout_cb = emacs_mswindows_add_timeout; mswindows_event_stream->remove_timeout_cb = emacs_mswindows_remove_timeout; mswindows_event_stream->quit_p_cb = emacs_mswindows_quit_p; mswindows_event_stream->select_console_cb = emacs_mswindows_select_console; mswindows_event_stream->unselect_console_cb = emacs_mswindows_unselect_console; #ifdef HAVE_MSG_SELECT mswindows_event_stream->select_process_cb = (void (*)(Lisp_Process*))event_stream_unixoid_select_process; mswindows_event_stream->unselect_process_cb = (void (*)(Lisp_Process*))event_stream_unixoid_unselect_process; mswindows_event_stream->create_stream_pair_cb = event_stream_unixoid_create_stream_pair; mswindows_event_stream->delete_stream_pair_cb = event_stream_unixoid_delete_stream_pair; #else mswindows_event_stream->select_process_cb = emacs_mswindows_select_process; mswindows_event_stream->unselect_process_cb = emacs_mswindows_unselect_process; mswindows_event_stream->create_stream_pair_cb = emacs_mswindows_create_stream_pair; mswindows_event_stream->delete_stream_pair_cb = emacs_mswindows_delete_stream_pair; #endif mswindows_event_stream->current_event_timestamp_cb = emacs_mswindows_current_event_timestamp; } void vars_of_event_mswindows (void) { reinit_vars_of_event_mswindows (); mswindows_u_dispatch_event_queue = Qnil; staticpro (&mswindows_u_dispatch_event_queue); mswindows_u_dispatch_event_queue_tail = Qnil; dump_add_root_object (&mswindows_u_dispatch_event_queue_tail); mswindows_s_dispatch_event_queue = Qnil; staticpro (&mswindows_s_dispatch_event_queue); mswindows_s_dispatch_event_queue_tail = Qnil; dump_add_root_object (&mswindows_s_dispatch_event_queue_tail); mswindows_error_caught_in_modal_loop = Qnil; staticpro (&mswindows_error_caught_in_modal_loop); #ifdef DEBUG_XEMACS DEFVAR_INT ("debug-mswindows-events", &debug_mswindows_events /* If non-zero, display debug information about Windows messages that XEmacs sees. Information is displayed in a console window. Currently defined values are: 1 == non-verbose output (just the message name) 2 == verbose output (all parameters) 3 == even more verbose output (extra debugging info) */ ); debug_mswindows_events = 0; #endif DEFVAR_BOOL ("mswindows-alt-by-itself-activates-menu", &mswindows_alt_by_itself_activates_menu /* *Controls whether pressing and releasing the Alt key activates the menubar. This applies only if no intervening key was pressed. See also `menu-accelerator-enabled', which is probably the behavior you actually want. Default is t. */ ); DEFVAR_BOOL ("mswindows-dynamic-frame-resize", &mswindows_dynamic_frame_resize /* *Controls redrawing frame contents during mouse-drag or keyboard resize operation. When non-nil, the frame is redrawn while being resized. When nil, frame is not redrawn, and exposed areas are filled with default MDI application background color. Note that this option only has effect if "Show window contents while dragging" is on in system Display/Plus! settings. Default is t on fast machines, nil on slow. */ ); DEFVAR_INT ("mswindows-mouse-button-tolerance", &mswindows_mouse_button_tolerance /* *Analogue of double click interval for faking middle mouse events. The value is the minimum time in milliseconds that must elapse between left/right button down events before they are considered distinct events. If both mouse buttons are depressed within this interval, a middle mouse button down event is generated instead. If negative or zero, currently set system default is used instead. */ ); DEFVAR_INT ("mswindows-num-mouse-buttons", &mswindows_num_mouse_buttons /* Number of physical mouse buttons. */ ); DEFVAR_INT ("mswindows-mouse-button-max-skew-x", &mswindows_mouse_button_max_skew_x /* *Maximum horizontal distance in pixels between points in which left and right button clicks occurred for them to be translated into single middle button event. Clicks must occur in time not longer than defined by the variable `mswindows-mouse-button-tolerance'. If negative or zero, currently set system default is used instead. */ ); DEFVAR_INT ("mswindows-mouse-button-max-skew-y", &mswindows_mouse_button_max_skew_y /* *Maximum vertical distance in pixels between points in which left and right button clicks occurred for them to be translated into single middle button event. Clicks must occur in time not longer than defined by the variable `mswindows-mouse-button-tolerance'. If negative or zero, currently set system default is used instead. */ ); mswindows_mouse_button_max_skew_x = 0; mswindows_mouse_button_max_skew_y = 0; mswindows_mouse_button_tolerance = 0; mswindows_alt_by_itself_activates_menu = 1; } void syms_of_event_mswindows (void) { } void lstream_type_create_mswindows_selectable (void) { init_slurp_stream (); init_shove_stream (); #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT) init_winsock_stream (); #endif } void init_event_mswindows_late (void) { #ifdef HAVE_MSG_SELECT windows_fd = open("/dev/windows", O_RDONLY | O_NONBLOCK, 0); assert (windows_fd>=0); FD_SET (windows_fd, &input_wait_mask); FD_ZERO(&zero_mask); #endif event_stream = mswindows_event_stream; mswindows_dynamic_frame_resize = !GetSystemMetrics (SM_SLOWMACHINE); mswindows_num_mouse_buttons = GetSystemMetrics (SM_CMOUSEBUTTONS); }