Pileus Git - ~andy/gtk/blob - gdk/win32/gdkevents-win32.c

   1 /* GDK - The GIMP Drawing Kit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  * Copyright (C) 1998-1999 Tor Lillqvist
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 /*
  22  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  23  * file for a list of people on the GTK+ Team.  See the ChangeLog
  24  * files for a list of changes.  These files are distributed with
  25  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  26  */
  27
  28 #include "config.h"
  29
  30 /* Cannot use TrackMouseEvent, as the stupid WM_MOUSELEAVE message
  31  * doesn't tell us where the mouse has gone. Thus we cannot use it to
  32  * generate a correct GdkNotifyType. Pity, as using TrackMouseEvent
  33  * otherwise would make it possible to reliably generate
  34  * GDK_LEAVE_NOTIFY events, which would help get rid of those pesky
  35  * tooltips sometimes popping up in the wrong place.
  36  */
  37 /* define USE_TRACKMOUSEEVENT */
  38
  39 #include <stdio.h>
  40
  41 #include "gdkprivate-win32.h"
  42
  43 #include <objbase.h>
  44 #include <imm.h>
  45
  46 #ifdef HAVE_DIMM_H
  47 #include <dimm.h>
  48 #else
  49 #include "surrogate-dimm.h"
  50 #endif
  51
  52 #include "gdk.h"
  53 #include "gdkinternals.h"
  54 #include "gdkinput-win32.h"
  55
  56 #include "gdkkeysyms.h"
  57
  58 #define PING() printf("%s: %d\n",__FILE__,__LINE__),fflush(stdout)
  59
  60 typedef struct _GdkIOClosure GdkIOClosure;
  61 typedef struct _GdkEventPrivate GdkEventPrivate;
  62
  63 typedef enum
  64 {
  65   /* Following flag is set for events on the event queue during
  66    * translation and cleared afterwards.
  67    */
  68   GDK_EVENT_PENDING = 1 << 0
  69 } GdkEventFlags;
  70
  71 struct _GdkIOClosure
  72 {
  73   GdkInputFunction function;
  74   GdkInputCondition condition;
  75   GdkDestroyNotify notify;
  76   gpointer data;
  77 };
  78
  79 struct _GdkEventPrivate
  80 {
  81   GdkEvent event;
  82   guint    flags;
  83 };
  84
  85 /*
  86  * Private function declarations
  87  */
  88
  89 static GdkFilterReturn
  90                  gdk_event_apply_filters(MSG      *msg,
  91                                          GdkEvent *event,
  92                                          GList    *filters);
  93 static gboolean  gdk_event_translate    (GdkEvent *event,
  94                                          MSG      *msg,
  95                                          gboolean *ret_val_flagp,
  96                                          gint     *ret_valp);
  97
  98 static gboolean gdk_event_prepare  (GSource     *source,
  99                                     gint        *timeout);
 100 static gboolean gdk_event_check    (GSource     *source);
 101 static gboolean gdk_event_dispatch (GSource     *source,
 102                                     GSourceFunc  callback,
 103                                     gpointer     user_data);
 104
 105 /* Private variable declarations
 106  */
 107
 108 static GdkWindow *p_grab_window = NULL; /* Window that currently
 109                                          * holds the pointer grab
 110                                          */
 111
 112 static GdkWindow *k_grab_window = NULL; /* Window the holds the
 113                                          * keyboard grab
 114                                          */
 115
 116 static GList *client_filters;   /* Filters for client messages */
 117
 118 static gboolean p_grab_automatic;
 119 static GdkEventMask p_grab_mask;
 120 static gboolean p_grab_owner_events, k_grab_owner_events;
 121 static HCURSOR p_grab_cursor;
 122
 123 static GSourceFuncs event_funcs = {
 124   gdk_event_prepare,
 125   gdk_event_check,
 126   gdk_event_dispatch,
 127   (GDestroyNotify)g_free
 128 };
 129
 130 GPollFD event_poll_fd;
 131
 132 static GdkWindow *current_window = NULL;
 133 static gint current_x, current_y;
 134 static gdouble current_x_root, current_y_root;
 135 static UINT gdk_ping_msg;
 136 static UINT msh_mousewheel_msg;
 137 static gboolean ignore_wm_char = FALSE;
 138 static gboolean is_altgr_key = FALSE;
 139
 140 static IActiveIMMApp *active_imm_app = NULL;
 141 static IActiveIMMMessagePumpOwner *active_imm_msgpump_owner = NULL;
 142
 143 typedef BOOL (WINAPI *PFN_TrackMouseEvent) (LPTRACKMOUSEEVENT);
 144 static PFN_TrackMouseEvent track_mouse_event = NULL;
 145
 146 static gboolean use_ime_composition = FALSE;
 147
 148 static LRESULT
 149 real_window_procedure (HWND   hwnd,
 150                        UINT   message,
 151                        WPARAM wparam,
 152                        LPARAM lparam)
 153 {
 154   GdkEventPrivate event;
 155   GdkEvent *eventp;
 156   MSG msg;
 157   DWORD pos;
 158   LRESULT lres;
 159   gint ret_val;
 160   gboolean ret_val_flag;
 161
 162   msg.hwnd = hwnd;
 163   msg.message = message;
 164   msg.wParam = wparam;
 165   msg.lParam = lparam;
 166   msg.time = GetTickCount ();
 167   pos = GetMessagePos ();
 168   msg.pt.x = LOWORD (pos);
 169   msg.pt.y = HIWORD (pos);
 170
 171   event.flags = GDK_EVENT_PENDING;
 172   if (gdk_event_translate (&event.event, &msg, &ret_val_flag, &ret_val))
 173     {
 174       event.flags &= ~GDK_EVENT_PENDING;
 175 #if 1
 176       if (event.event.any.type == GDK_CONFIGURE)
 177         {
 178           /* Compress configure events */
 179           GList *list = gdk_queued_events;
 180
 181           while (list != NULL
 182                  && (((GdkEvent *)list->data)->any.type != GDK_CONFIGURE
 183                      || ((GdkEvent *)list->data)->any.window != event.event.any.window))
 184             list = list->next;
 185           if (list != NULL)
 186             {
 187               GDK_NOTE (EVENTS, g_print ("... compressing an CONFIGURE event\n"));
 188
 189               *((GdkEvent *)list->data) = event.event;
 190               gdk_drawable_unref (event.event.any.window);
 191               /* Wake up WaitMessage */
 192               PostMessage (NULL, gdk_ping_msg, 0, 0);
 193               return FALSE;
 194             }
 195         }
 196       else if (event.event.any.type == GDK_EXPOSE)
 197         {
 198           /* Compress expose events */
 199           GList *list = gdk_queued_events;
 200
 201           while (list != NULL
 202                  && (((GdkEvent *)list->data)->any.type != GDK_EXPOSE
 203                      || ((GdkEvent *)list->data)->any.window != event.event.any.window))
 204             list = list->next;
 205           if (list != NULL)
 206             {
 207               GdkRectangle u;
 208
 209               GDK_NOTE (EVENTS, g_print ("... compressing an EXPOSE event\n"));
 210               gdk_rectangle_union (&event.event.expose.area,
 211                                    &((GdkEvent *)list->data)->expose.area,
 212                                    &u);
 213               ((GdkEvent *)list->data)->expose.area = u;
 214               gdk_drawable_unref (event.event.any.window);
 215 #if 0
 216               /* Wake up WaitMessage */
 217               PostMessage (NULL, gdk_ping_msg, 0, 0);
 218 #endif
 219               return FALSE;
 220             }
 221         }
 222 #endif
 223       eventp = gdk_event_new ();
 224       *((GdkEventPrivate *) eventp) = event;
 225
 226       /* Philippe Colantoni <colanton@aris.ss.uci.edu> suggests this
 227        * in order to handle events while opaque resizing neatly.  I
 228        * don't want it as default. Set the
 229        * GDK_EVENT_FUNC_FROM_WINDOW_PROC env var to get this
 230        * behaviour.
 231        */
 232       if (gdk_event_func_from_window_proc && gdk_event_func)
 233         {
 234           GDK_THREADS_ENTER ();
 235
 236           (*gdk_event_func) (eventp, gdk_event_data);
 237           gdk_event_free (eventp);
 238
 239           GDK_THREADS_LEAVE ();
 240         }
 241       else
 242         {
 243           gdk_event_queue_append (eventp);
 244 #if 1
 245           /* Wake up WaitMessage */
 246           PostMessage (NULL, gdk_ping_msg, 0, 0);
 247 #endif
 248         }
 249
 250       if (ret_val_flag)
 251         return ret_val;
 252       else
 253         return FALSE;
 254     }
 255
 256   if (ret_val_flag)
 257     return ret_val;
 258   else
 259     {
 260       if (active_imm_app == NULL
 261           || (*active_imm_app->lpVtbl->OnDefWindowProc) (active_imm_app, hwnd, message, wparam, lparam, &lres) == S_FALSE)
 262         return DefWindowProc (hwnd, message, wparam, lparam);
 263       else
 264         return lres;
 265     }
 266 }
 267
 268 LRESULT CALLBACK
 269 gdk_window_procedure (HWND   hwnd,
 270                       UINT   message,
 271                       WPARAM wparam,
 272                       LPARAM lparam)
 273 {
 274   LRESULT retval;
 275
 276   GDK_NOTE (EVENTS, g_print ("gdk_window_procedure: %#lx %s\n",
 277                              (gulong) hwnd, gdk_win32_message_name (message)));
 278
 279   retval = real_window_procedure (hwnd, message, wparam, lparam);
 280
 281   GDK_NOTE (EVENTS, g_print ("gdk_window_procedure: %#lx returns %ld\n",
 282                              (gulong) hwnd, retval));
 283
 284   return retval;
 285 }
 286
 287 void
 288 gdk_events_init (void)
 289 {
 290   GSource *source;
 291   HRESULT hres;
 292 #ifdef USE_TRACKMOUSEEVENT
 293   HMODULE user32, imm32;
 294   HINSTANCE commctrl32;
 295 #endif
 296
 297   gdk_ping_msg = RegisterWindowMessage ("gdk-ping");
 298   GDK_NOTE (EVENTS, g_print ("gdk-ping = %#x\n", gdk_ping_msg));
 299
 300   /* This is the string MSH_MOUSEWHEEL from zmouse.h,
 301    * http://www.microsoft.com/mouse/intellimouse/sdk/zmouse.h
 302    * This message is used by mouse drivers than cannot generate WM_MOUSEWHEEL
 303    * or on Win95.
 304    */
 305   msh_mousewheel_msg = RegisterWindowMessage ("MSWHEEL_ROLLMSG");
 306   GDK_NOTE (EVENTS, g_print ("MSH_MOUSEWHEEL = %#x\n", msh_mousewheel_msg));
 307
 308   source = g_source_new (&event_funcs, sizeof (GSource));
 309   g_source_set_priority (source, GDK_PRIORITY_EVENTS);
 310
 311   event_poll_fd.fd = G_WIN32_MSG_HANDLE;
 312   event_poll_fd.events = G_IO_IN;
 313
 314   g_source_add_poll (source, &event_poll_fd);
 315   g_source_set_can_recurse (source, TRUE);
 316   g_source_attach (source, NULL);
 317
 318   hres = CoCreateInstance (&CLSID_CActiveIMM,
 319                            NULL,
 320                            CLSCTX_ALL,
 321                            &IID_IActiveIMMApp,
 322                            (LPVOID *) &active_imm_app);
 323
 324   if (hres == S_OK)
 325     {
 326       GDK_NOTE (EVENTS, g_print ("IActiveIMMApp created %p\n",
 327                                  active_imm_app));
 328       (*active_imm_app->lpVtbl->Activate) (active_imm_app, TRUE);
 329
 330       hres = (*active_imm_app->lpVtbl->QueryInterface) (active_imm_app, &IID_IActiveIMMMessagePumpOwner, &active_imm_msgpump_owner);
 331       GDK_NOTE (EVENTS, g_print ("IActiveIMMMessagePumpOwner created %p\n",
 332                                  active_imm_msgpump_owner));
 333       (active_imm_msgpump_owner->lpVtbl->Start) (active_imm_msgpump_owner);
 334     }
 335
 336 #ifdef USE_TRACKMOUSEEVENT
 337   user32 = GetModuleHandle ("user32.dll");
 338   if ((track_mouse_event = GetProcAddress (user32, "TrackMouseEvent")) == NULL)
 339     {
 340       if ((commctrl32 = LoadLibrary ("commctrl32.dll")) != NULL)
 341         track_mouse_event = (PFN_TrackMouseEvent)
 342           GetProcAddress (commctrl32, "_TrackMouseEvent");
 343     }
 344   if (track_mouse_event != NULL)
 345     GDK_NOTE (EVENTS, g_print ("Using TrackMouseEvent to detect leave events\n"));
 346 #endif
 347   if (IS_WIN_NT () && (windows_version & 0xFF) == 5)
 348     {
 349       /* On Win2k (Beta 3, at least) WM_IME_CHAR doesn't seem to work
 350        * correctly for non-Unicode applications. Handle
 351        * WM_IME_COMPOSITION with GCS_RESULTSTR instead, fetch the
 352        * Unicode char from the IME with ImmGetCompositionStringW().
 353        */
 354       use_ime_composition = TRUE;
 355     }
 356 }
 357
 358 /*
 359  *--------------------------------------------------------------
 360  * gdk_events_pending
 361  *
 362  *   Returns if events are pending on the queue.
 363  *
 364  * Arguments:
 365  *
 366  * Results:
 367  *   Returns TRUE if events are pending
 368  *
 369  * Side effects:
 370  *
 371  *--------------------------------------------------------------
 372  */
 373
 374 gboolean
 375 gdk_events_pending (void)
 376 {
 377   MSG msg;
 378
 379   return (gdk_event_queue_find_first() ||
 380           PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE));
 381 }
 382
 383 /*
 384  *--------------------------------------------------------------
 385  * gdk_event_get_graphics_expose
 386  *
 387  *   Waits for a GraphicsExpose or NoExpose event
 388  *
 389  * Arguments:
 390  *
 391  * Results:
 392  *   For GraphicsExpose events, returns a pointer to the event
 393  *   converted into a GdkEvent Otherwise, returns NULL.
 394  *
 395  * Side effects:
 396  *
 397  *-------------------------------------------------------------- */
 398
 399 GdkEvent*
 400 gdk_event_get_graphics_expose (GdkWindow *window)
 401 {
 402   MSG msg;
 403   GdkEvent *event;
 404
 405   g_return_val_if_fail (window != NULL, NULL);
 406
 407   GDK_NOTE (EVENTS, g_print ("gdk_event_get_graphics_expose\n"));
 408
 409 #if 0 /* ??? */
 410   /* Some nasty bugs here, just return NULL for now. */
 411   return NULL;
 412 #else
 413   if (PeekMessage (&msg, GDK_WINDOW_HWND (window), WM_PAINT, WM_PAINT, PM_REMOVE))
 414     {
 415       event = gdk_event_new ();
 416
 417       if (gdk_event_translate (event, &msg, NULL, NULL))
 418         return event;
 419       else
 420         gdk_event_free (event);
 421     }
 422
 423   return NULL;
 424 #endif
 425 }
 426
 427 static char *
 428 event_mask_string (GdkEventMask mask)
 429 {
 430   static char bfr[500];
 431   char *p = bfr;
 432
 433   *p = '\0';
 434 #define BIT(x) \
 435   if (mask & GDK_##x##_MASK) \
 436     p += sprintf (p, "%s" #x, (p > bfr ? " " : ""))
 437   BIT(EXPOSURE);
 438   BIT(POINTER_MOTION);
 439   BIT(POINTER_MOTION_HINT);
 440   BIT(BUTTON_MOTION);
 441   BIT(BUTTON1_MOTION);
 442   BIT(BUTTON2_MOTION);
 443   BIT(BUTTON3_MOTION);
 444   BIT(BUTTON_PRESS);
 445   BIT(BUTTON_RELEASE);
 446   BIT(KEY_PRESS);
 447   BIT(KEY_RELEASE);
 448   BIT(ENTER_NOTIFY);
 449   BIT(LEAVE_NOTIFY);
 450   BIT(FOCUS_CHANGE);
 451   BIT(STRUCTURE);
 452   BIT(PROPERTY_CHANGE);
 453   BIT(VISIBILITY_NOTIFY);
 454   BIT(PROXIMITY_IN);
 455   BIT(PROXIMITY_OUT);
 456   BIT(SUBSTRUCTURE);
 457   BIT(SCROLL);
 458 #undef BIT
 459
 460   return bfr;
 461 }
 462
 463 /*
 464  *--------------------------------------------------------------
 465  * gdk_pointer_grab
 466  *
 467  *   Grabs the pointer to a specific window
 468  *
 469  * Arguments:
 470  *   "window" is the window which will receive the grab
 471  *   "owner_events" specifies whether events will be reported as is,
 472  *     or relative to "window"
 473  *   "event_mask" masks only interesting events
 474  *   "confine_to" limits the cursor movement to the specified window
 475  *   "cursor" changes the cursor for the duration of the grab
 476  *   "time" specifies the time
 477  *
 478  * Results:
 479  *
 480  * Side effects:
 481  *   requires a corresponding call to gdk_pointer_ungrab
 482  *
 483  *--------------------------------------------------------------
 484  */
 485
 486 GdkGrabStatus
 487 gdk_pointer_grab (GdkWindow    *window,
 488                   gboolean      owner_events,
 489                   GdkEventMask  event_mask,
 490                   GdkWindow    *confine_to,
 491                   GdkCursor    *cursor,
 492                   guint32       time)
 493 {
 494   HWND hwnd_confined_to;
 495   HCURSOR hcursor;
 496   GdkCursorPrivate *cursor_private;
 497   gint return_val;
 498
 499   g_return_val_if_fail (window != NULL, 0);
 500   g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
 501   g_return_val_if_fail (confine_to == NULL || GDK_IS_WINDOW (confine_to), 0);
 502
 503   cursor_private = (GdkCursorPrivate*) cursor;
 504
 505   if (!confine_to || GDK_WINDOW_DESTROYED (confine_to))
 506     hwnd_confined_to = NULL;
 507   else
 508     hwnd_confined_to = GDK_WINDOW_HWND (confine_to);
 509
 510   if (!cursor)
 511     hcursor = NULL;
 512   else
 513     hcursor = cursor_private->hcursor;
 514
 515   return_val = _gdk_input_grab_pointer (window,
 516                                         owner_events,
 517                                         event_mask,
 518                                         confine_to,
 519                                         time);
 520
 521   if (return_val == GDK_GRAB_SUCCESS)
 522     {
 523       if (!GDK_WINDOW_DESTROYED (window))
 524         {
 525           GDK_NOTE (EVENTS, g_print ("gdk_pointer_grab: %#lx %s %#lx %s\n",
 526                                      (gulong) GDK_WINDOW_HWND (window),
 527                                      (owner_events ? "TRUE" : "FALSE"),
 528                                      (gulong) hcursor,
 529                                      event_mask_string (event_mask)));
 530           p_grab_mask = event_mask;
 531           p_grab_owner_events = (owner_events != 0);
 532           p_grab_automatic = FALSE;
 533
 534 #if 0 /* Menus don't work if we use mouse capture. Pity, because many other
 535        * things work better with mouse capture.
 536        */
 537           SetCapture (GDK_WINDOW_HWND (window));
 538 #       pragma message("Warning: SetCapture call, menus won't work!")
 539 #endif
 540           return_val = GDK_GRAB_SUCCESS;
 541         }
 542       else
 543         return_val = GDK_GRAB_ALREADY_GRABBED;
 544     }
 545
 546   if (return_val == GDK_GRAB_SUCCESS)
 547     {
 548       p_grab_window = window;
 549       p_grab_cursor = hcursor;
 550     }
 551
 552   return return_val;
 553 }
 554
 555 /*
 556  *--------------------------------------------------------------
 557  * gdk_pointer_ungrab
 558  *
 559  *   Releases any pointer grab
 560  *
 561  * Arguments:
 562  *
 563  * Results:
 564  *
 565  * Side effects:
 566  *
 567  *--------------------------------------------------------------
 568  */
 569
 570 void
 571 gdk_pointer_ungrab (guint32 time)
 572 {
 573   GDK_NOTE (EVENTS, g_print ("gdk_pointer_ungrab\n"));
 574
 575   _gdk_input_ungrab_pointer (time);
 576
 577 #if 1
 578   if (GetCapture () != NULL)
 579     ReleaseCapture ();
 580 #endif
 581
 582   p_grab_window = NULL;
 583 }
 584
 585 /*
 586  *--------------------------------------------------------------
 587  * gdk_pointer_is_grabbed
 588  *
 589  *   Tell wether there is an active x pointer grab in effect
 590  *
 591  * Arguments:
 592  *
 593  * Results:
 594  *
 595  * Side effects:
 596  *
 597  *--------------------------------------------------------------
 598  */
 599
 600 gboolean
 601 gdk_pointer_is_grabbed (void)
 602 {
 603   return p_grab_window != NULL;
 604 }
 605
 606 /*
 607  *--------------------------------------------------------------
 608  * gdk_keyboard_grab
 609  *
 610  *   Grabs the keyboard to a specific window
 611  *
 612  * Arguments:
 613  *   "window" is the window which will receive the grab
 614  *   "owner_events" specifies whether events will be reported as is,
 615  *     or relative to "window"
 616  *   "time" specifies the time
 617  *
 618  * Results:
 619  *
 620  * Side effects:
 621  *   requires a corresponding call to gdk_keyboard_ungrab
 622  *
 623  *--------------------------------------------------------------
 624  */
 625
 626 GdkGrabStatus
 627 gdk_keyboard_grab (GdkWindow *window,
 628                    gboolean   owner_events,
 629                    guint32    time)
 630 {
 631   gint return_val;
 632
 633   g_return_val_if_fail (window != NULL, 0);
 634   g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
 635
 636   GDK_NOTE (EVENTS, g_print ("gdk_keyboard_grab %#lx\n",
 637                              (gulong) GDK_WINDOW_HWND (window)));
 638
 639   if (!GDK_WINDOW_DESTROYED (window))
 640     {
 641       k_grab_owner_events = owner_events != 0;
 642       return_val = GDK_GRAB_SUCCESS;
 643     }
 644   else
 645     return_val = GDK_GRAB_ALREADY_GRABBED;
 646
 647   if (return_val == GDK_GRAB_SUCCESS)
 648     k_grab_window = window;
 649
 650   return return_val;
 651 }
 652
 653 /*
 654  *--------------------------------------------------------------
 655  * gdk_keyboard_ungrab
 656  *
 657  *   Releases any keyboard grab
 658  *
 659  * Arguments:
 660  *
 661  * Results:
 662  *
 663  * Side effects:
 664  *
 665  *--------------------------------------------------------------
 666  */
 667
 668 void
 669 gdk_keyboard_ungrab (guint32 time)
 670 {
 671   GDK_NOTE (EVENTS, g_print ("gdk_keyboard_ungrab\n"));
 672
 673   k_grab_window = NULL;
 674 }
 675
 676 static GdkFilterReturn
 677 gdk_event_apply_filters (MSG      *msg,
 678                          GdkEvent *event,
 679                          GList    *filters)
 680 {
 681   GdkEventFilter *filter;
 682   GList *tmp_list;
 683   GdkFilterReturn result;
 684
 685   tmp_list = filters;
 686
 687   while (tmp_list)
 688     {
 689       filter = (GdkEventFilter *) tmp_list->data;
 690
 691       result = (*filter->function) (msg, event, filter->data);
 692       if (result !=  GDK_FILTER_CONTINUE)
 693         return result;
 694
 695       tmp_list = tmp_list->next;
 696     }
 697
 698   return GDK_FILTER_CONTINUE;
 699 }
 700
 701 void
 702 gdk_add_client_message_filter (GdkAtom       message_type,
 703                                GdkFilterFunc func,
 704                                gpointer      data)
 705 {
 706   GdkClientFilter *filter = g_new (GdkClientFilter, 1);
 707
 708   filter->type = message_type;
 709   filter->function = func;
 710   filter->data = data;
 711
 712   client_filters = g_list_prepend (client_filters, filter);
 713 }
 714
 715 /* Thanks to Markus G. Kuhn <mkuhn@acm.org> for the ksysym<->Unicode
 716  * mapping functions, from the xterm sources.
 717  */
 718
 719 static void
 720 build_key_event_state (GdkEvent *event)
 721 {
 722   if (GetKeyState (VK_SHIFT) < 0)
 723     event->key.state |= GDK_SHIFT_MASK;
 724   if (GetKeyState (VK_CAPITAL) & 0x1)
 725     event->key.state |= GDK_LOCK_MASK;
 726   if (!is_altgr_key)
 727     {
 728       if (GetKeyState (VK_CONTROL) < 0)
 729         {
 730           event->key.state |= GDK_CONTROL_MASK;
 731 #if 0
 732           if (event->key.keyval < ' ')
 733             event->key.keyval += '@';
 734 #endif
 735         }
 736 #if 0
 737       else if (event->key.keyval < ' ')
 738         {
 739           event->key.state |= GDK_CONTROL_MASK;
 740           event->key.keyval += '@';
 741         }
 742 #endif
 743       if (GetKeyState (VK_MENU) < 0)
 744         event->key.state |= GDK_MOD1_MASK;
 745     }
 746 }
 747
 748 static gint
 749 build_pointer_event_state (MSG *msg)
 750 {
 751   gint state;
 752
 753   state = 0;
 754   if (msg->wParam & MK_CONTROL)
 755     state |= GDK_CONTROL_MASK;
 756   if (msg->wParam & MK_LBUTTON)
 757     state |= GDK_BUTTON1_MASK;
 758   if (msg->wParam & MK_MBUTTON)
 759     state |= GDK_BUTTON2_MASK;
 760   if (msg->wParam & MK_RBUTTON)
 761     state |= GDK_BUTTON3_MASK;
 762   if (msg->wParam & MK_SHIFT)
 763     state |= GDK_SHIFT_MASK;
 764   if (GetKeyState (VK_MENU) < 0)
 765     state |= GDK_MOD1_MASK;
 766   if (GetKeyState (VK_CAPITAL) & 0x1)
 767     state |= GDK_LOCK_MASK;
 768
 769   return state;
 770 }
 771
 772 static void
 773 build_keypress_event (GdkWindowImplWin32 *impl,
 774                       GdkEvent           *event,
 775                       MSG                *msg)
 776 {
 777   HIMC himc;
 778   gint i, bytecount, ucount, ucleft, len;
 779   guchar buf[100], *bp;
 780   wchar_t wbuf[100], *wcp;
 781
 782   event->key.type = GDK_KEY_PRESS;
 783   event->key.time = msg->time;
 784   event->key.state = 0;
 785
 786   if (msg->message == WM_IME_COMPOSITION)
 787     {
 788       himc = ImmGetContext (msg->hwnd);
 789
 790       bytecount = ImmGetCompositionStringW (himc, GCS_RESULTSTR,
 791                                             wbuf, sizeof (wbuf));
 792       ucount = bytecount / 2;
 793     }
 794   else
 795     {
 796       if (msg->message == WM_CHAR || msg->message == WM_SYSCHAR)
 797         {
 798           bytecount = MIN ((msg->lParam & 0xFFFF), sizeof (buf));
 799           for (i = 0; i < bytecount; i++)
 800             buf[i] = msg->wParam;
 801         }
 802       else /* WM_IME_CHAR */
 803         {
 804           event->key.keyval = GDK_VoidSymbol;
 805           if (msg->wParam & 0xFF00)
 806             {
 807               /* Contrary to some versions of the documentation,
 808                * the lead byte is the most significant byte.
 809                */
 810               buf[0] = ((msg->wParam >> 8) & 0xFF);
 811               buf[1] = (msg->wParam & 0xFF);
 812               bytecount = 2;
 813             }
 814           else
 815             {
 816               buf[0] = (msg->wParam & 0xFF);
 817               bytecount = 1;
 818             }
 819         }
 820
 821       /* Convert from the window's current code page
 822        * to Unicode. Then convert to UTF-8.
 823        * We don't handle the surrogate stuff. Should we?
 824        */
 825       ucount = MultiByteToWideChar (impl->charset_info.ciACP,
 826                                     0, buf, bytecount,
 827                                     wbuf, sizeof (wbuf) / sizeof (wbuf[0]));
 828
 829     }
 830   if (ucount == 0)
 831     event->key.keyval = GDK_VoidSymbol;
 832   else if (msg->message == WM_CHAR || msg->message == WM_SYSCHAR)
 833     {
 834       if (msg->wParam < ' ')
 835         {
 836           event->key.keyval = msg->wParam + '@';
 837           /* This is needed in case of Alt+nnn or Alt+0nnn (on the numpad)
 838            * where nnn<32
 839            */
 840           event->key.state |= GDK_CONTROL_MASK;
 841         }
 842       else
 843         event->key.keyval = gdk_unicode_to_keyval (wbuf[0]);
 844     }
 845
 846   build_key_event_state (event);
 847
 848   /* Build UTF-8 string */
 849   ucleft = ucount;
 850   len = 0;
 851   wcp = wbuf;
 852   while (ucleft-- > 0)
 853     {
 854       wchar_t c = *wcp++;
 855
 856       if (c < 0x80)
 857         len += 1;
 858       else if (c < 0x800)
 859         len += 2;
 860       else
 861         len += 3;
 862     }
 863
 864   event->key.string = g_malloc (len + 1);
 865   event->key.length = len;
 866
 867   ucleft = ucount;
 868   wcp = wbuf;
 869   bp = event->key.string;
 870   while (ucleft-- > 0)
 871     {
 872       int first;
 873       wchar_t c = *wcp++;
 874
 875       if (c < 0x80)
 876         {
 877           first = 0;
 878           len = 1;
 879         }
 880       else if (c < 0x800)
 881         {
 882           first = 0xc0;
 883           len = 2;
 884         }
 885       else
 886         {
 887           first = 0xe0;
 888           len = 3;
 889         }
 890
 891 #if 1
 892       /* Woo-hoo! */
 893       switch (len)
 894         {
 895         case 3: bp[2] = (c & 0x3f) | 0x80; c >>= 6; /* Fall through */
 896         case 2: bp[1] = (c & 0x3f) | 0x80; c >>= 6; /* Fall through */
 897         case 1: bp[0] = c | first;
 898         }
 899 #else
 900       for (i = len - 1; i > 0; --i)
 901         {
 902           bp[i] = (c & 0x3f) | 0x80;
 903           c >>= 6;
 904         }
 905       bp[0] = c | first;
 906 #endif
 907
 908       bp += len;
 909     }
 910   *bp = 0;
 911 }
 912
 913 static void
 914 build_keyrelease_event (GdkWindowImplWin32 *impl,
 915                         GdkEvent           *event,
 916                         MSG                *msg)
 917 {
 918   guchar buf;
 919   wchar_t wbuf;
 920
 921   event->key.type = GDK_KEY_RELEASE;
 922   event->key.time = msg->time;
 923   event->key.state = 0;
 924
 925   if (msg->message == WM_CHAR || msg->message == WM_SYSCHAR)
 926     if (msg->wParam < ' ')
 927       event->key.keyval = msg->wParam + '@';
 928     else
 929       {
 930         buf = msg->wParam;
 931         MultiByteToWideChar (impl->charset_info.ciACP,
 932                              0, &buf, 1, &wbuf, 1);
 933
 934         event->key.keyval = gdk_unicode_to_keyval (wbuf);
 935       }
 936   else
 937     event->key.keyval = GDK_VoidSymbol;
 938   build_key_event_state (event);
 939   event->key.string = NULL;
 940   event->key.length = 0;
 941 }
 942
 943 static void
 944 print_event_state (gint state)
 945 {
 946   if (state & GDK_SHIFT_MASK)
 947     g_print ("SHIFT ");
 948   if (state & GDK_LOCK_MASK)
 949     g_print ("LOCK ");
 950   if (state & GDK_CONTROL_MASK)
 951     g_print ("CONTROL ");
 952   if (state & GDK_MOD1_MASK)
 953     g_print ("MOD1 ");
 954   if (state & GDK_BUTTON1_MASK)
 955     g_print ("BUTTON1 ");
 956   if (state & GDK_BUTTON2_MASK)
 957     g_print ("BUTTON2 ");
 958   if (state & GDK_BUTTON3_MASK)
 959     g_print ("BUTTON3 ");
 960 }
 961
 962 static void
 963 print_event (GdkEvent *event)
 964 {
 965   gchar *escaped, *kvname;
 966
 967   switch (event->any.type)
 968     {
 969     case GDK_NOTHING: g_print ("GDK_NOTHING "); break;
 970     case GDK_DELETE: g_print ("GDK_DELETE "); break;
 971     case GDK_DESTROY: g_print ("GDK_DESTROY "); break;
 972     case GDK_EXPOSE: g_print ("GDK_EXPOSE "); break;
 973     case GDK_MOTION_NOTIFY: g_print ("GDK_MOTION_NOTIFY "); break;
 974     case GDK_BUTTON_PRESS: g_print ("GDK_BUTTON_PRESS "); break;
 975     case GDK_2BUTTON_PRESS: g_print ("GDK_2BUTTON_PRESS "); break;
 976     case GDK_3BUTTON_PRESS: g_print ("GDK_3BUTTON_PRESS "); break;
 977     case GDK_BUTTON_RELEASE: g_print ("GDK_BUTTON_RELEASE "); break;
 978     case GDK_KEY_PRESS: g_print ("GDK_KEY_PRESS "); break;
 979     case GDK_KEY_RELEASE: g_print ("GDK_KEY_RELEASE "); break;
 980     case GDK_ENTER_NOTIFY: g_print ("GDK_ENTER_NOTIFY "); break;
 981     case GDK_LEAVE_NOTIFY: g_print ("GDK_LEAVE_NOTIFY "); break;
 982     case GDK_FOCUS_CHANGE: g_print ("GDK_FOCUS_CHANGE "); break;
 983     case GDK_CONFIGURE: g_print ("GDK_CONFIGURE "); break;
 984     case GDK_MAP: g_print ("GDK_MAP "); break;
 985     case GDK_UNMAP: g_print ("GDK_UNMAP "); break;
 986     case GDK_PROPERTY_NOTIFY: g_print ("GDK_PROPERTY_NOTIFY "); break;
 987     case GDK_SELECTION_CLEAR: g_print ("GDK_SELECTION_CLEAR "); break;
 988     case GDK_SELECTION_REQUEST: g_print ("GDK_SELECTION_REQUEST "); break;
 989     case GDK_SELECTION_NOTIFY: g_print ("GDK_SELECTION_NOTIFY "); break;
 990     case GDK_PROXIMITY_IN: g_print ("GDK_PROXIMITY_IN "); break;
 991     case GDK_PROXIMITY_OUT: g_print ("GDK_PROXIMITY_OUT "); break;
 992     case GDK_DRAG_ENTER: g_print ("GDK_DRAG_ENTER "); break;
 993     case GDK_DRAG_LEAVE: g_print ("GDK_DRAG_LEAVE "); break;
 994     case GDK_DRAG_MOTION: g_print ("GDK_DRAG_MOTION "); break;
 995     case GDK_DRAG_STATUS: g_print ("GDK_DRAG_STATUS "); break;
 996     case GDK_DROP_START: g_print ("GDK_DROP_START "); break;
 997     case GDK_DROP_FINISHED: g_print ("GDK_DROP_FINISHED "); break;
 998     case GDK_CLIENT_EVENT: g_print ("GDK_CLIENT_EVENT "); break;
 999     case GDK_VISIBILITY_NOTIFY: g_print ("GDK_VISIBILITY_NOTIFY "); break;
1000     case GDK_NO_EXPOSE: g_print ("GDK_NO_EXPOSE "); break;
1001     case GDK_SCROLL: g_print ("GDK_SCROLL "); break;
1002     }
1003   g_print ("%#lx ", (gulong) GDK_WINDOW_HWND (event->any.window));
1004
1005   switch (event->any.type)
1006     {
1007     case GDK_EXPOSE:
1008       g_print ("%dx%d@+%d+%d %d",
1009                event->expose.area.width,
1010                event->expose.area.height,
1011                event->expose.area.x,
1012                event->expose.area.y,
1013                event->expose.count);
1014       break;
1015     case GDK_MOTION_NOTIFY:
1016       g_print ("(%.4g,%.4g) %s",
1017                event->motion.x, event->motion.y,
1018                event->motion.is_hint ? "HINT " : "");
1019       print_event_state (event->motion.state);
1020       break;
1021     case GDK_BUTTON_PRESS:
1022     case GDK_2BUTTON_PRESS:
1023     case GDK_3BUTTON_PRESS:
1024     case GDK_BUTTON_RELEASE:
1025       g_print ("%d (%.4g,%.4g) ",
1026                event->button.button,
1027                event->button.x, event->button.y);
1028       print_event_state (event->button.state);
1029       break;
1030     case GDK_KEY_PRESS:
1031     case GDK_KEY_RELEASE:
1032       if (event->key.length == 0)
1033         escaped = g_strdup ("");
1034       else
1035         escaped = g_strescape (event->key.string, NULL);
1036       kvname = gdk_keyval_name (event->key.keyval);
1037       g_print ("%s %d:\"%s\" ",
1038                (kvname ? kvname : "??"),
1039                event->key.length,
1040                escaped);
1041       g_free (escaped);
1042       print_event_state (event->key.state);
1043       break;
1044     case GDK_ENTER_NOTIFY:
1045     case GDK_LEAVE_NOTIFY:
1046       g_print ("%s ",
1047                (event->crossing.detail == GDK_NOTIFY_INFERIOR ? "INFERIOR" :
1048                 (event->crossing.detail == GDK_NOTIFY_ANCESTOR ? "ANCESTOR" :
1049                  (event->crossing.detail == GDK_NOTIFY_NONLINEAR ? "NONLINEAR" :
1050                   "???"))));
1051       break;
1052     case GDK_SCROLL:
1053       g_print ("%s ",
1054                (event->scroll.direction == GDK_SCROLL_UP ? "UP" :
1055                 (event->scroll.direction == GDK_SCROLL_DOWN ? "DOWN" :
1056                  (event->scroll.direction == GDK_SCROLL_LEFT ? "LEFT" :
1057                   (event->scroll.direction == GDK_SCROLL_RIGHT ? "RIGHT" :
1058                    "???")))));
1059       print_event_state (event->scroll.state);
1060       break;
1061     default:
1062       /* Nothing */
1063       break;
1064     }
1065   g_print ("\n");
1066 }
1067
1068 static void
1069 synthesize_crossing_events (GdkWindow *window,
1070                             MSG       *msg)
1071 {
1072   GdkEvent *event;
1073
1074   /* If we are not using TrackMouseEvent, generate a leave notify
1075    * event if necessary
1076    */
1077   if (track_mouse_event == NULL
1078       && current_window
1079       && (GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (current_window)->impl)->event_mask & GDK_LEAVE_NOTIFY_MASK))
1080     {
1081       GDK_NOTE (EVENTS, g_print ("synthesizing LEAVE_NOTIFY event\n"));
1082
1083       event = gdk_event_new ();
1084       event->crossing.type = GDK_LEAVE_NOTIFY;
1085       event->crossing.window = current_window;
1086       gdk_drawable_ref (event->crossing.window);
1087       event->crossing.subwindow = NULL;
1088       event->crossing.time = msg->time;
1089       event->crossing.x = current_x;
1090       event->crossing.y = current_y;
1091       event->crossing.x_root = current_x_root;
1092       event->crossing.y_root = current_y_root;
1093       event->crossing.mode = GDK_CROSSING_NORMAL;
1094       if (IsChild (GDK_WINDOW_HWND (current_window), GDK_WINDOW_HWND (window)))
1095         event->crossing.detail = GDK_NOTIFY_INFERIOR;
1096       else if (IsChild (GDK_WINDOW_HWND (window), GDK_WINDOW_HWND (current_window)))
1097         event->crossing.detail = GDK_NOTIFY_ANCESTOR;
1098       else
1099         event->crossing.detail = GDK_NOTIFY_NONLINEAR;
1100
1101       event->crossing.focus = TRUE; /* ??? */
1102       event->crossing.state = 0; /* ??? */
1103
1104       gdk_event_queue_append (event);
1105       GDK_NOTE (EVENTS, print_event (event));
1106     }
1107
1108   if (GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl)->event_mask & GDK_ENTER_NOTIFY_MASK)
1109     {
1110       GDK_NOTE (EVENTS, g_print ("synthesizing ENTER_NOTIFY event\n"));
1111
1112       event = gdk_event_new ();
1113       event->crossing.type = GDK_ENTER_NOTIFY;
1114       event->crossing.window = window;
1115       gdk_drawable_ref (event->crossing.window);
1116       event->crossing.subwindow = NULL;
1117       event->crossing.time = msg->time;
1118       event->crossing.x = LOWORD (msg->lParam);
1119       event->crossing.y = HIWORD (msg->lParam);
1120       event->crossing.x_root = (gfloat) msg->pt.x;
1121       event->crossing.y_root = (gfloat) msg->pt.y;
1122       event->crossing.mode = GDK_CROSSING_NORMAL;
1123       if (current_window
1124           && IsChild (GDK_WINDOW_HWND (current_window), GDK_WINDOW_HWND (window)))
1125         event->crossing.detail = GDK_NOTIFY_ANCESTOR;
1126       else if (current_window
1127                && IsChild (GDK_WINDOW_HWND (window), GDK_WINDOW_HWND (current_window)))
1128         event->crossing.detail = GDK_NOTIFY_INFERIOR;
1129       else
1130         event->crossing.detail = GDK_NOTIFY_NONLINEAR;
1131
1132       event->crossing.focus = TRUE; /* ??? */
1133       event->crossing.state = 0; /* ??? */
1134
1135       gdk_event_queue_append (event);
1136
1137       GDK_NOTE (EVENTS, print_event (event));
1138
1139       if (GDK_WINDOW_OBJECT (window)->extension_events != 0)
1140         _gdk_input_enter_event (&event->crossing, window);
1141     }
1142
1143   if (current_window)
1144     gdk_drawable_unref (current_window);
1145   current_window = window;
1146   gdk_drawable_ref (current_window);
1147 #ifdef USE_TRACKMOUSEEVENT
1148   if (track_mouse_event != NULL)
1149     {
1150       TRACKMOUSEEVENT tme;
1151
1152       tme.cbSize = sizeof (TRACKMOUSEEVENT);
1153       tme.dwFlags = TME_LEAVE;
1154       tme.hwndTrack = GDK_WINDOW_HWND (current_window);
1155       tme.dwHoverTime = HOVER_DEFAULT;
1156
1157       (*track_mouse_event) (&tme);
1158     }
1159 #endif
1160 }
1161
1162 static void
1163 translate_mouse_coords (GdkWindow *window1,
1164                         GdkWindow *window2,
1165                         MSG       *msg)
1166 {
1167   POINT pt;
1168
1169   pt.x = LOWORD (msg->lParam);
1170   pt.y = HIWORD (msg->lParam);
1171   ClientToScreen (GDK_WINDOW_HWND (window1), &pt);
1172   ScreenToClient (GDK_WINDOW_HWND (window2), &pt);
1173   msg->lParam = MAKELPARAM (pt.x, pt.y);
1174   GDK_NOTE (EVENTS, g_print ("...new coords are (%ld,%ld)\n", pt.x, pt.y));
1175 }
1176
1177 static gboolean
1178 propagate (GdkWindow  **window,
1179            MSG         *msg,
1180            GdkWindow   *grab_window,
1181            gboolean     grab_owner_events,
1182            gint         grab_mask,
1183            gboolean   (*doesnt_want_it) (gint mask,
1184                                          MSG *msg))
1185 {
1186   if (grab_window != NULL && !grab_owner_events)
1187     {
1188       /* Event source is grabbed with owner_events FALSE */
1189       GDK_NOTE (EVENTS, g_print ("...grabbed, owner_events FALSE, "));
1190       if ((*doesnt_want_it) (grab_mask, msg))
1191         {
1192           GDK_NOTE (EVENTS, g_print ("...grabber doesn't want it\n"));
1193           return FALSE;
1194         }
1195       else
1196         {
1197           GDK_NOTE (EVENTS, g_print ("...sending to grabber %#lx\n",
1198                                      (gulong) GDK_WINDOW_HWND (grab_window)));
1199           gdk_drawable_unref (*window);
1200           *window = grab_window;
1201           gdk_drawable_ref (*window);
1202           return TRUE;
1203         }
1204     }
1205   while (TRUE)
1206     {
1207      if ((*doesnt_want_it) (GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (*window)->impl)->event_mask, msg))
1208         {
1209           /* Owner doesn't want it, propagate to parent. */
1210           if (GDK_WINDOW (GDK_WINDOW_OBJECT (*window)->parent) == gdk_parent_root)
1211             {
1212               /* No parent; check if grabbed */
1213               if (grab_window != NULL)
1214                 {
1215                   /* Event source is grabbed with owner_events TRUE */
1216                   GDK_NOTE (EVENTS, g_print ("...undelivered, but grabbed\n"));
1217                   if ((*doesnt_want_it) (grab_mask, msg))
1218                     {
1219                       /* Grabber doesn't want it either */
1220                       GDK_NOTE (EVENTS, g_print ("...grabber doesn't want it\n"));
1221                       return FALSE;
1222                     }
1223                   else
1224                     {
1225                       /* Grabbed! */
1226                       GDK_NOTE (EVENTS,
1227                                 g_print ("...sending to grabber %#lx\n",
1228                                          (gulong) GDK_WINDOW_HWND (grab_window)));
1229                       gdk_drawable_unref (*window);
1230                       *window = grab_window;
1231                       gdk_drawable_ref (*window);
1232                       return TRUE;
1233                     }
1234                 }
1235               else
1236                 {
1237                   GDK_NOTE (EVENTS, g_print ("...undelivered\n"));
1238                   return FALSE;
1239                 }
1240             }
1241           else
1242             {
1243               gdk_drawable_unref (*window);
1244               *window = GDK_WINDOW (GDK_WINDOW_OBJECT (*window)->parent);
1245               gdk_drawable_ref (*window);
1246               GDK_NOTE (EVENTS, g_print ("...propagating to %#lx\n",
1247                                          (gulong) GDK_WINDOW_HWND (*window)));
1248               /* The only branch where we actually continue the loop */
1249             }
1250         }
1251       else
1252         return TRUE;
1253     }
1254 }
1255
1256 static gboolean
1257 doesnt_want_key (gint mask,
1258                  MSG *msg)
1259 {
1260   return (((msg->message == WM_KEYUP || msg->message == WM_SYSKEYUP)
1261            && !(mask & GDK_KEY_RELEASE_MASK))
1262           ||
1263           ((msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
1264            && !(mask & GDK_KEY_PRESS_MASK)));
1265 }
1266
1267 static gboolean
1268 doesnt_want_char (gint mask,
1269                   MSG *msg)
1270 {
1271   return !(mask & (GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK));
1272 }
1273
1274 static gboolean
1275 doesnt_want_button_press (gint mask,
1276                           MSG *msg)
1277 {
1278   return !(mask & GDK_BUTTON_PRESS_MASK);
1279 }
1280
1281 static gboolean
1282 doesnt_want_button_release (gint mask,
1283                             MSG *msg)
1284 {
1285   return !(mask & GDK_BUTTON_RELEASE_MASK);
1286 }
1287
1288 static gboolean
1289 doesnt_want_button_motion (gint mask,
1290                            MSG *msg)
1291 {
1292   return !((mask & GDK_POINTER_MOTION_MASK)
1293            || ((msg->wParam & (MK_LBUTTON|MK_MBUTTON|MK_RBUTTON))
1294                && (mask & GDK_BUTTON_MOTION_MASK))
1295            || ((msg->wParam & MK_LBUTTON)
1296                && (mask & GDK_BUTTON1_MOTION_MASK))
1297            || ((msg->wParam & MK_MBUTTON)
1298                && (mask & GDK_BUTTON2_MOTION_MASK))
1299            || ((msg->wParam & MK_RBUTTON)
1300                && (mask & GDK_BUTTON3_MOTION_MASK)));
1301 }
1302
1303 static gboolean
1304 doesnt_want_scroll (gint mask,
1305                     MSG *msg)
1306 {
1307 #if 0
1308   return !(mask & GDK_SCROLL_MASK);
1309 #else
1310   return !(mask & GDK_BUTTON_PRESS_MASK);
1311 #endif
1312 }
1313
1314 static char *
1315 decode_key_lparam (LPARAM lParam)
1316 {
1317   static char buf[100];
1318   char *p = buf;
1319
1320   if (HIWORD (lParam) & KF_UP)
1321     p += sprintf (p, "KF_UP ");
1322   if (HIWORD (lParam) & KF_REPEAT)
1323     p += sprintf (p, "KF_REPEAT ");
1324   if (HIWORD (lParam) & KF_ALTDOWN)
1325     p += sprintf (p, "KF_ALTDOWN ");
1326   if (HIWORD (lParam) & KF_EXTENDED)
1327     p += sprintf (p, "KF_EXTENDED ");
1328   p += sprintf (p, "sc%d rep%d", LOBYTE (HIWORD (lParam)), LOWORD (lParam));
1329
1330   return buf;
1331 }
1332
1333 static gboolean
1334 gdk_event_translate (GdkEvent *event,
1335                      MSG      *msg,
1336                      gboolean *ret_val_flagp,
1337                      gint     *ret_valp)
1338 {
1339   DWORD pidActWin;
1340   DWORD pidThis;
1341   PAINTSTRUCT paintstruct;
1342   HDC hdc;
1343   HDC bgdc;
1344   HGDIOBJ oldbitmap;
1345   HBRUSH hbr;
1346   COLORREF bg;
1347   RECT rect;
1348   POINT pt;
1349   MINMAXINFO *mmi;
1350   HWND hwnd;
1351   HCURSOR hcursor;
1352
1353   /* Invariant:
1354    * window_impl == GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl)
1355    */
1356   GdkWindow *window;
1357   GdkWindowImplWin32 *window_impl;
1358 #define ASSIGN_WINDOW(rhs)                                                 \
1359   (window = rhs,                                                           \
1360    window_impl = (window ? GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl) : NULL))
1361
1362   GdkWindow *orig_window, *new_window;
1363   GdkColormapPrivateWin32 *colormap_private;
1364   GdkPixmap *pixmap;
1365   GdkPixmapImplWin32 *pixmap_impl;
1366
1367   int button;
1368   int i, j;
1369
1370   gchar buf[256];
1371   gboolean return_val;
1372
1373   return_val = FALSE;
1374
1375   if (ret_val_flagp)
1376     *ret_val_flagp = FALSE;
1377
1378   ASSIGN_WINDOW (gdk_win32_handle_table_lookup ((GdkNativeWindow) msg->hwnd));
1379   orig_window = window;
1380
1381   event->any.window = window;
1382   event->any.send_event = FALSE;
1383
1384   if (window == NULL)
1385     {
1386       /* Handle WM_QUIT here ? */
1387       if (msg->message == WM_QUIT)
1388         {
1389           GDK_NOTE (EVENTS, g_print ("WM_QUIT: %d\n", msg->wParam));
1390           exit (msg->wParam);
1391         }
1392       else if (msg->message == WM_MOVE
1393                || msg->message == WM_SIZE)
1394         {
1395           /* It's quite normal to get these messages before we have
1396            * had time to register the window in our lookup table, or
1397            * when the window is being destroyed and we already have
1398            * removed it. Repost the same message to our queue so that
1399            * we will get it later when we are prepared.
1400            */
1401           GDK_NOTE(MISC, g_print("gdk_event_translate: %#lx %s posted.\n",
1402                                  (gulong) msg->hwnd,
1403                                  msg->message == WM_MOVE ?
1404                                  "WM_MOVE" : "WM_SIZE"));
1405
1406           PostMessage (msg->hwnd, msg->message,
1407                        msg->wParam, msg->lParam);
1408         }
1409 #ifndef WITHOUT_WM_CREATE
1410       else if (WM_CREATE == msg->message)
1411         {
1412           window = (UNALIGNED GdkWindow*) (((LPCREATESTRUCT) msg->lParam)->lpCreateParams);
1413           GDK_WINDOW_HWND (window) = msg->hwnd;
1414           GDK_NOTE (EVENTS, g_print ("gdk_event_translate: created %#x\n",
1415                                      (guint) msg->hwnd));
1416 # if 0
1417           /* This should handle allmost all the other window==NULL cases.
1418            * This code is executed while gdk_window_new is in it's
1419            * CreateWindowEx call.
1420            * Don't insert xid there a second time, if it's done here.
1421            */
1422           gdk_drawable_ref (window);
1423           gdk_win32_handle_table_insert (&GDK_WINDOW_HWND(window), window);
1424 # endif
1425         }
1426       else
1427       {
1428         GDK_NOTE (EVENTS, g_print ("gdk_event_translate: %s for %#x (NULL)\n",
1429                                    gdk_win32_message_name(msg->message),
1430                                    (guint) msg->hwnd));
1431       }
1432 #endif
1433       return FALSE;
1434     }
1435
1436   gdk_drawable_ref (window);
1437
1438   if (!GDK_WINDOW_DESTROYED (window))
1439     {
1440       /* Check for filters for this window */
1441       GdkFilterReturn result;
1442
1443       result = gdk_event_apply_filters
1444         (msg, event, GDK_WINDOW_OBJECT (window)->filters);
1445
1446       if (result != GDK_FILTER_CONTINUE)
1447         {
1448           return_val =  (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE;
1449           goto done;
1450         }
1451     }
1452
1453   if (msg->message == gdk_selection_notify_msg)
1454     {
1455       GDK_NOTE (EVENTS, g_print ("gdk_selection_notify_msg: %#lx\n",
1456                                  (gulong) msg->hwnd));
1457
1458       event->selection.type = GDK_SELECTION_NOTIFY;
1459       event->selection.window = window;
1460       event->selection.selection = msg->wParam;
1461       event->selection.target = msg->lParam;
1462       event->selection.property = gdk_selection_property;
1463       event->selection.time = msg->time;
1464
1465       return_val = !GDK_WINDOW_DESTROYED (window);
1466
1467       goto done;
1468     }
1469   else if (msg->message == gdk_selection_request_msg)
1470     {
1471       GDK_NOTE (EVENTS, g_print ("gdk_selection_request_msg: %#lx\n",
1472                                  (gulong) msg->hwnd));
1473
1474       event->selection.type = GDK_SELECTION_REQUEST;
1475       event->selection.window = window;
1476       event->selection.selection = gdk_clipboard_atom;
1477       event->selection.target = GDK_TARGET_STRING;
1478       event->selection.property = gdk_selection_property;
1479       event->selection.requestor = (guint32) msg->hwnd;
1480       event->selection.time = msg->time;
1481
1482       return_val = !GDK_WINDOW_DESTROYED (window);
1483
1484       goto done;
1485     }
1486   else if (msg->message == gdk_selection_clear_msg)
1487     {
1488       GDK_NOTE (EVENTS, g_print ("gdk_selection_clear_msg: %#lx\n",
1489                                  (gulong) msg->hwnd));
1490
1491       event->selection.type = GDK_SELECTION_CLEAR;
1492       event->selection.window = window;
1493       event->selection.selection = msg->wParam;
1494       event->selection.time = msg->time;
1495
1496       return_val = !GDK_WINDOW_DESTROYED (window);
1497
1498       goto done;
1499     }
1500   else if (msg->message == msh_mousewheel_msg)
1501     {
1502       GDK_NOTE (EVENTS, g_print ("MSH_MOUSEWHEEL: %#lx %d\n",
1503                                  (gulong) msg->hwnd, msg->wParam));
1504
1505       event->scroll.type = GDK_SCROLL;
1506
1507       /* MSG_MOUSEWHEEL is delivered to the foreground window.  Work
1508        * around that. Also, the position is in screen coordinates, not
1509        * client coordinates as with the button messages.
1510        */
1511       pt.x = LOWORD (msg->lParam);
1512       pt.y = HIWORD (msg->lParam);
1513       if ((hwnd = WindowFromPoint (pt)) == NULL)
1514         goto done;
1515
1516       msg->hwnd = hwnd;
1517       if ((new_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) msg->hwnd)) == NULL)
1518         goto done;
1519
1520       if (new_window != window)
1521         {
1522           gdk_drawable_unref (window);
1523           ASSIGN_WINDOW (new_window);
1524           gdk_drawable_ref (window);
1525         }
1526
1527       if (GDK_WINDOW_OBJECT (window)->extension_events != 0
1528           && gdk_input_ignore_core)
1529         {
1530           GDK_NOTE (EVENTS, g_print ("...ignored\n"));
1531           goto done;
1532         }
1533
1534       if (!propagate (&window, msg,
1535                       p_grab_window, p_grab_owner_events, p_grab_mask,
1536                       doesnt_want_scroll))
1537         goto done;
1538
1539       ASSIGN_WINDOW (window);
1540
1541       ScreenToClient (msg->hwnd, &pt);
1542       event->button.window = window;
1543       event->scroll.direction = ((int) msg->wParam > 0) ?
1544         GDK_SCROLL_UP : GDK_SCROLL_DOWN;
1545       event->scroll.window = window;
1546       event->scroll.time = msg->time;
1547       event->scroll.x = (gint16) pt.x;
1548       event->scroll.y = (gint16) pt.y;
1549       event->scroll.x_root = (gint16) LOWORD (msg->lParam);
1550       event->scroll.y_root = (gint16) HIWORD (msg->lParam);
1551       event->scroll.state = 0;  /* No state information with MSH_MOUSEWHEEL */
1552       event->scroll.device = gdk_core_pointer;
1553       return_val = !GDK_WINDOW_DESTROYED (window);
1554
1555       goto done;
1556     }
1557   else
1558     {
1559       GList *tmp_list;
1560       GdkFilterReturn result = GDK_FILTER_CONTINUE;
1561
1562       tmp_list = client_filters;
1563       while (tmp_list)
1564         {
1565           GdkClientFilter *filter = tmp_list->data;
1566           if (filter->type == msg->message)
1567             {
1568               GDK_NOTE (EVENTS, g_print ("client filter matched\n"));
1569               event->any.window = window;
1570               result = (*filter->function) (msg, event, filter->data);
1571               switch (result)
1572                 {
1573                 case GDK_FILTER_REMOVE:
1574                   return_val = FALSE;
1575                   break;
1576
1577                 case GDK_FILTER_TRANSLATE:
1578                   return_val = TRUE;
1579                   break;
1580
1581                 case GDK_FILTER_CONTINUE:
1582                   return_val = TRUE;
1583                   event->client.type = GDK_CLIENT_EVENT;
1584                   event->client.window = window;
1585                   event->client.message_type = msg->message;
1586                   event->client.data_format = 0;
1587                   event->client.data.l[0] = msg->wParam;
1588                   event->client.data.l[1] = msg->lParam;
1589                   break;
1590                 }
1591               goto done;
1592             }
1593           tmp_list = tmp_list->next;
1594         }
1595     }
1596
1597   switch (msg->message)
1598     {
1599     case WM_INPUTLANGCHANGE:
1600       GDK_NOTE (EVENTS,
1601                 g_print ("WM_INPUTLANGCHANGE: %#lx  charset %lu locale %lx\n",
1602                          (gulong) msg->hwnd, (gulong) msg->wParam, msg->lParam));
1603       window_impl->input_locale = (HKL) msg->lParam;
1604       TranslateCharsetInfo ((DWORD FAR *) msg->wParam,
1605                             &window_impl->charset_info,
1606                             TCI_SRCCHARSET);
1607       break;
1608
1609     case WM_SYSKEYUP:
1610     case WM_SYSKEYDOWN:
1611       GDK_NOTE (EVENTS,
1612                 g_print ("WM_SYSKEY%s: %#lx  %s %#x %s\n",
1613                          (msg->message == WM_SYSKEYUP ? "UP" : "DOWN"),
1614                          (gulong) msg->hwnd,
1615                          (GetKeyNameText (msg->lParam, buf,
1616                                           sizeof (buf)) > 0 ?
1617                           buf : ""),
1618                          msg->wParam,
1619                          decode_key_lparam (msg->lParam)));
1620
1621       /* Let the system handle Alt-Tab and Alt-Enter */
1622       if (msg->wParam == VK_TAB
1623           || msg->wParam == VK_RETURN
1624           || msg->wParam == VK_F4)
1625         break;
1626       /* If posted without us having keyboard focus, ignore */
1627       if (!(msg->lParam & 0x20000000))
1628         break;
1629 #if 0
1630       /* don't generate events for just the Alt key */
1631       if (msg->wParam == VK_MENU)
1632         break;
1633 #endif
1634       /* Jump to code in common with WM_KEYUP and WM_KEYDOWN */
1635       goto keyup_or_down;
1636
1637     case WM_KEYUP:
1638     case WM_KEYDOWN:
1639       GDK_NOTE (EVENTS,
1640                 g_print ("WM_KEY%s: %#lx  %s %#x %s\n",
1641                          (msg->message == WM_KEYUP ? "UP" : "DOWN"),
1642                          (gulong) msg->hwnd,
1643                          (GetKeyNameText (msg->lParam, buf,
1644                                           sizeof (buf)) > 0 ?
1645                           buf : ""),
1646                          msg->wParam,
1647                          decode_key_lparam (msg->lParam)));
1648
1649       ignore_wm_char = TRUE;
1650
1651     keyup_or_down:
1652
1653       event->key.window = window;
1654       switch (msg->wParam)
1655         {
1656         case VK_LBUTTON:
1657           event->key.keyval = GDK_Pointer_Button1; break;
1658         case VK_RBUTTON:
1659           event->key.keyval = GDK_Pointer_Button3; break;
1660         case VK_MBUTTON:
1661           event->key.keyval = GDK_Pointer_Button2; break;
1662         case VK_CANCEL:
1663           event->key.keyval = GDK_Cancel; break;
1664         case VK_BACK:
1665           event->key.keyval = GDK_BackSpace; break;
1666         case VK_TAB:
1667           event->key.keyval = (GetKeyState(VK_SHIFT) < 0 ?
1668             GDK_ISO_Left_Tab : GDK_Tab);
1669           break;
1670         case VK_CLEAR:
1671           event->key.keyval = GDK_Clear; break;
1672         case VK_RETURN:
1673           event->key.keyval = GDK_Return; break;
1674         case VK_SHIFT:
1675           /* Don't let Shift auto-repeat */
1676           if (msg->message == WM_KEYDOWN
1677               && (HIWORD (msg->lParam) & KF_REPEAT))
1678             ignore_wm_char = FALSE;
1679           else
1680             event->key.keyval = GDK_Shift_L;
1681           break;
1682         case VK_CONTROL:
1683           /* And not Control either */
1684           if (msg->message == WM_KEYDOWN
1685               && (HIWORD (msg->lParam) & KF_REPEAT))
1686             ignore_wm_char = FALSE;
1687           else if (HIWORD (msg->lParam) & KF_EXTENDED)
1688             event->key.keyval = GDK_Control_R;
1689           else
1690             event->key.keyval = GDK_Control_L;
1691           break;
1692         case VK_MENU:
1693           /* And not Alt */
1694           if (msg->message == WM_KEYDOWN
1695               && (HIWORD (msg->lParam) & KF_REPEAT))
1696             ignore_wm_char = FALSE;
1697           else if (HIWORD (msg->lParam) & KF_EXTENDED)
1698             {
1699               /* AltGr key comes in as Control+Right Alt */
1700               if (GetKeyState (VK_CONTROL) < 0)
1701                 {
1702                   ignore_wm_char = FALSE;
1703                   is_altgr_key = TRUE;
1704                 }
1705               event->key.keyval = GDK_Alt_R;
1706             }
1707           else
1708             {
1709               event->key.keyval = GDK_Alt_L;
1710               /* This needed in case she types Alt+nnn (on the numpad) */
1711               ignore_wm_char = FALSE;
1712             }
1713           break;
1714         case VK_PAUSE:
1715           event->key.keyval = GDK_Pause; break;
1716         case VK_CAPITAL:
1717           event->key.keyval = GDK_Caps_Lock; break;
1718         case VK_ESCAPE:
1719           event->key.keyval = GDK_Escape; break;
1720         case VK_PRIOR:
1721           event->key.keyval = GDK_Prior; break;
1722         case VK_NEXT:
1723           event->key.keyval = GDK_Next; break;
1724         case VK_END:
1725           event->key.keyval = GDK_End; break;
1726         case VK_HOME:
1727           event->key.keyval = GDK_Home; break;
1728         case VK_LEFT:
1729           event->key.keyval = GDK_Left; break;
1730         case VK_UP:
1731           event->key.keyval = GDK_Up; break;
1732         case VK_RIGHT:
1733           event->key.keyval = GDK_Right; break;
1734         case VK_DOWN:
1735           event->key.keyval = GDK_Down; break;
1736         case VK_SELECT:
1737           event->key.keyval = GDK_Select; break;
1738         case VK_PRINT:
1739           event->key.keyval = GDK_Print; break;
1740         case VK_EXECUTE:
1741           event->key.keyval = GDK_Execute; break;
1742         case VK_INSERT:
1743           event->key.keyval = GDK_Insert; break;
1744         case VK_DELETE:
1745           event->key.keyval = GDK_Delete; break;
1746         case VK_HELP:
1747           event->key.keyval = GDK_Help; break;
1748         case VK_NUMPAD0:
1749         case VK_NUMPAD1:
1750         case VK_NUMPAD2:
1751         case VK_NUMPAD3:
1752         case VK_NUMPAD4:
1753         case VK_NUMPAD5:
1754         case VK_NUMPAD6:
1755         case VK_NUMPAD7:
1756         case VK_NUMPAD8:
1757         case VK_NUMPAD9:
1758           /* Apparently applications work better if we just pass numpad digits
1759            * on as real digits? So wait for the WM_CHAR instead.
1760            */
1761           ignore_wm_char = FALSE;
1762           break;
1763         case VK_MULTIPLY:
1764           event->key.keyval = GDK_KP_Multiply; break;
1765         case VK_ADD:
1766           /* Pass it on as an ASCII plus in WM_CHAR. */
1767           ignore_wm_char = FALSE;
1768           break;
1769         case VK_SEPARATOR:
1770           event->key.keyval = GDK_KP_Separator; break;
1771         case VK_SUBTRACT:
1772           /* Pass it on as an ASCII minus in WM_CHAR. */
1773           ignore_wm_char = FALSE;
1774           break;
1775         case VK_DECIMAL:
1776           /* The keypad decimal key should also be passed on as the decimal
1777            * sign ('.' or ',' depending on the Windows locale settings,
1778            * apparently). So wait for the WM_CHAR here, also.
1779            */
1780           ignore_wm_char = FALSE;
1781           break;
1782         case VK_DIVIDE:
1783           event->key.keyval = GDK_KP_Divide; break;
1784         case VK_F1:
1785           event->key.keyval = GDK_F1; break;
1786         case VK_F2:
1787           event->key.keyval = GDK_F2; break;
1788         case VK_F3:
1789           event->key.keyval = GDK_F3; break;
1790         case VK_F4:
1791           event->key.keyval = GDK_F4; break;
1792         case VK_F5:
1793           event->key.keyval = GDK_F5; break;
1794         case VK_F6:
1795           event->key.keyval = GDK_F6; break;
1796         case VK_F7:
1797           event->key.keyval = GDK_F7; break;
1798         case VK_F8:
1799           event->key.keyval = GDK_F8; break;
1800         case VK_F9:
1801           event->key.keyval = GDK_F9; break;
1802         case VK_F10:
1803           event->key.keyval = GDK_F10; break;
1804         case VK_F11:
1805           event->key.keyval = GDK_F11; break;
1806         case VK_F12:
1807           event->key.keyval = GDK_F12; break;
1808         case VK_F13:
1809           event->key.keyval = GDK_F13; break;
1810         case VK_F14:
1811           event->key.keyval = GDK_F14; break;
1812         case VK_F15:
1813           event->key.keyval = GDK_F15; break;
1814         case VK_F16:
1815           event->key.keyval = GDK_F16; break;
1816         case '0':
1817         case '1':
1818         case '2':
1819         case '3':
1820         case '4':
1821         case '5':
1822         case '6':
1823         case '7':
1824         case '8':
1825         case '9':
1826           if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
1827                                 || GetKeyState (VK_MENU) < 0))
1828             /* Control- or Alt-digits won't come in as a WM_CHAR,
1829              * but beware of AltGr-digits, which are used for instance
1830              * on Finnish keyboards.
1831              */
1832             event->key.keyval = GDK_0 + (msg->wParam - '0');
1833           else
1834             ignore_wm_char = FALSE;
1835           break;
1836         case VK_OEM_PLUS:       /* On my Win98, the '+' key comes in
1837                                  * as VK_OEM_PLUS, etc.
1838                                  */
1839         case VK_OEM_COMMA:
1840         case VK_OEM_MINUS:
1841         case VK_OEM_PERIOD:
1842         case VK_OEM_2:
1843         case VK_OEM_4:
1844         case VK_OEM_5:
1845         case VK_OEM_6:
1846           if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
1847                                 || GetKeyState (VK_MENU) < 0))
1848             /* Control- or Alt-plus won't come in as WM_CHAR,
1849              * but beware of AltGr-plus which is backslash on
1850              * Finnish keyboards
1851              */
1852             /* All these VK_OEM keycodes happen to be the corresponding ASCII
1853              * char + 0x90
1854              */
1855             event->key.keyval = msg->wParam - 0x90;
1856           else
1857             ignore_wm_char = FALSE;
1858           break;
1859         case VK_OEM_1:
1860           if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
1861                                 || GetKeyState (VK_MENU) < 0))
1862             /* ;: on US keyboard */
1863             event->key.keyval = ';';
1864           else
1865             ignore_wm_char = FALSE;
1866           break;
1867         case VK_OEM_3:
1868           if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
1869                                 || GetKeyState (VK_MENU) < 0))
1870             /* `~ on US keyboard */
1871             event->key.keyval = '`';
1872           else
1873             ignore_wm_char = FALSE;
1874           break;
1875         case VK_OEM_7:
1876           if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
1877                                 || GetKeyState (VK_MENU) < 0))
1878             /* '" on US keyboard */
1879             event->key.keyval = '\'';
1880           else
1881             ignore_wm_char = FALSE;
1882           break;
1883         default:
1884           if (msg->message == WM_SYSKEYDOWN || msg->message == WM_SYSKEYUP)
1885             event->key.keyval = msg->wParam;
1886           else
1887             ignore_wm_char = FALSE;
1888           break;
1889         }
1890
1891       if (!ignore_wm_char)
1892         break;
1893
1894       if (!propagate (&window, msg,
1895                       k_grab_window, k_grab_owner_events, GDK_ALL_EVENTS_MASK,
1896                       doesnt_want_key))
1897           break;
1898       ASSIGN_WINDOW (window);
1899
1900       is_altgr_key = FALSE;
1901       event->key.type = ((msg->message == WM_KEYDOWN
1902                           || msg->message == WM_SYSKEYDOWN) ?
1903                          GDK_KEY_PRESS : GDK_KEY_RELEASE);
1904       event->key.time = msg->time;
1905       event->key.state = 0;
1906       if (GetKeyState (VK_SHIFT) < 0)
1907         event->key.state |= GDK_SHIFT_MASK;
1908       if (GetKeyState (VK_CAPITAL) & 0x1)
1909         event->key.state |= GDK_LOCK_MASK;
1910       if (GetKeyState (VK_CONTROL) < 0)
1911         event->key.state |= GDK_CONTROL_MASK;
1912       if (msg->wParam != VK_MENU && GetKeyState (VK_MENU) < 0)
1913         event->key.state |= GDK_MOD1_MASK;
1914       event->key.string = NULL;
1915       event->key.length = 0;
1916       return_val = !GDK_WINDOW_DESTROYED (window);
1917       break;
1918
1919     case WM_IME_COMPOSITION:
1920       if (!use_ime_composition)
1921         break;
1922
1923       GDK_NOTE (EVENTS, g_print ("WM_IME_COMPOSITION: %#lx  %#lx\n",
1924                                  (gulong) msg->hwnd, msg->lParam));
1925       if (msg->lParam & GCS_RESULTSTR)
1926         goto wm_char;
1927       break;
1928
1929     case WM_IME_CHAR:
1930       GDK_NOTE (EVENTS,
1931                 g_print ("WM_IME_CHAR: %#lx  bytes: %#.04x\n",
1932                          (gulong) msg->hwnd, msg->wParam));
1933       goto wm_char;
1934
1935     case WM_CHAR:
1936     case WM_SYSCHAR:
1937       GDK_NOTE (EVENTS,
1938                 g_print ("WM_%sCHAR: %#lx  %#x %s %s\n",
1939                          (msg->message == WM_CHAR ? "" : "SYS"),
1940                          (gulong) msg->hwnd, msg->wParam,
1941                          decode_key_lparam (msg->lParam),
1942                          (ignore_wm_char ? "ignored" : "")));
1943
1944       if (ignore_wm_char)
1945         {
1946           ignore_wm_char = FALSE;
1947           break;
1948         }
1949
1950     wm_char:
1951       if (!propagate (&window, msg,
1952                       k_grab_window, k_grab_owner_events, GDK_ALL_EVENTS_MASK,
1953                       doesnt_want_char))
1954           break;
1955       ASSIGN_WINDOW (window);
1956
1957       event->key.window = window;
1958       return_val = !GDK_WINDOW_DESTROYED (window);
1959
1960       if (return_val && (event->key.window == k_grab_window
1961                          || (window_impl->event_mask & GDK_KEY_RELEASE_MASK)))
1962         {
1963           if (window == k_grab_window
1964               || (window_impl->event_mask & GDK_KEY_PRESS_MASK))
1965             {
1966               /* Append a GDK_KEY_PRESS event to the pushback list
1967                * (from which it will be fetched before the release
1968                * event).
1969                */
1970               GdkEvent *event2 = gdk_event_new ();
1971               build_keypress_event (window_impl, event2, msg);
1972               event2->key.window = window;
1973               gdk_drawable_ref (window);
1974               gdk_event_queue_append (event2);
1975               GDK_NOTE (EVENTS, print_event (event2));
1976             }
1977           /* Return the key release event.  */
1978           build_keyrelease_event (window_impl, event, msg);
1979         }
1980       else if (return_val
1981                && (window_impl->event_mask & GDK_KEY_PRESS_MASK))
1982         {
1983           /* Return just the key press event. */
1984           build_keypress_event (window_impl, event, msg);
1985         }
1986       else
1987         return_val = FALSE;
1988
1989 #if 0 /* Don't reset is_AltGr_key here. Othewise we can't type several
1990        * AltGr-accessed chars while keeping the AltGr pressed down
1991        * all the time.
1992        */
1993       is_AltGr_key = FALSE;
1994 #endif
1995       break;
1996
1997     case WM_LBUTTONDOWN:
1998       button = 1;
1999       goto buttondown0;
2000     case WM_MBUTTONDOWN:
2001       button = 2;
2002       goto buttondown0;
2003     case WM_RBUTTONDOWN:
2004       button = 3;
2005
2006     buttondown0:
2007       GDK_NOTE (EVENTS,
2008                 g_print ("WM_%cBUTTONDOWN: %#lx  (%d,%d)\n",
2009                          " LMR"[button],
2010                          (gulong) msg->hwnd,
2011                          LOWORD (msg->lParam), HIWORD (msg->lParam)));
2012
2013       if (GDK_WINDOW_OBJECT (window)->extension_events != 0
2014           && gdk_input_ignore_core)
2015         {
2016           GDK_NOTE (EVENTS, g_print ("...ignored\n"));
2017           break;
2018         }
2019
2020       if (window != current_window)
2021         synthesize_crossing_events (window, msg);
2022
2023       event->button.type = GDK_BUTTON_PRESS;
2024       if (!propagate (&window, msg,
2025                       p_grab_window, p_grab_owner_events, p_grab_mask,
2026                       doesnt_want_button_press))
2027           break;
2028       ASSIGN_WINDOW (window);
2029
2030       event->button.window = window;
2031
2032       /* Emulate X11's automatic active grab */
2033       if (!p_grab_window)
2034         {
2035           /* No explicit active grab, let's start one automatically */
2036           gint owner_events = window_impl->event_mask
2037             & (GDK_BUTTON_PRESS_MASK|GDK_BUTTON_RELEASE_MASK);
2038
2039           GDK_NOTE (EVENTS, g_print ("...automatic grab started\n"));
2040           gdk_pointer_grab (window,
2041                             owner_events,
2042                             window_impl->event_mask,
2043                             NULL, NULL, 0);
2044           p_grab_automatic = TRUE;
2045         }
2046
2047       event->button.time = msg->time;
2048       if (window != orig_window)
2049         translate_mouse_coords (orig_window, window, msg);
2050       event->button.x = current_x = (gint16) LOWORD (msg->lParam);
2051       event->button.y = current_y = (gint16) HIWORD (msg->lParam);
2052       event->button.x_root = msg->pt.x;
2053       event->button.y_root = msg->pt.y;
2054       event->button.axes = NULL;
2055       event->button.state = build_pointer_event_state (msg);
2056       event->button.button = button;
2057       event->button.device = gdk_core_pointer;
2058
2059       gdk_event_button_generate (event);
2060
2061       return_val = !GDK_WINDOW_DESTROYED (window);
2062       break;
2063
2064     case WM_LBUTTONUP:
2065       button = 1;
2066       goto buttonup0;
2067     case WM_MBUTTONUP:
2068       button = 2;
2069       goto buttonup0;
2070     case WM_RBUTTONUP:
2071       button = 3;
2072
2073     buttonup0:
2074       GDK_NOTE (EVENTS,
2075                 g_print ("WM_%cBUTTONUP: %#lx  (%d,%d)\n",
2076                          " LMR"[button],
2077                          (gulong) msg->hwnd,
2078                          LOWORD (msg->lParam), HIWORD (msg->lParam)));
2079
2080       if (GDK_WINDOW_OBJECT (window)->extension_events != 0
2081           && gdk_input_ignore_core)
2082         {
2083           GDK_NOTE (EVENTS, g_print ("...ignored\n"));
2084           break;
2085         }
2086
2087       if (window != current_window)
2088         synthesize_crossing_events (window, msg);
2089
2090       event->button.type = GDK_BUTTON_RELEASE;
2091       if (!propagate (&window, msg,
2092                       p_grab_window, p_grab_owner_events, p_grab_mask,
2093                       doesnt_want_button_release))
2094           goto maybe_ungrab;
2095       ASSIGN_WINDOW (window);
2096
2097       event->button.window = window;
2098       event->button.time = msg->time;
2099       if (window != orig_window)
2100         translate_mouse_coords (orig_window, window, msg);
2101       event->button.x = (gint16) LOWORD (msg->lParam);
2102       event->button.y = (gint16) HIWORD (msg->lParam);
2103       event->button.x_root = msg->pt.x;
2104       event->button.y_root = msg->pt.y;
2105       event->button.axes = NULL;
2106       event->button.state = build_pointer_event_state (msg);
2107       event->button.button = button;
2108       event->button.device = gdk_core_pointer;
2109
2110       return_val = !GDK_WINDOW_DESTROYED (window);
2111
2112     maybe_ungrab:
2113       if (p_grab_window != NULL
2114           && p_grab_automatic
2115           && (event->button.state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK)) == 0)
2116         gdk_pointer_ungrab (0);
2117       break;
2118
2119     case WM_MOUSEMOVE:
2120       GDK_NOTE (EVENTS,
2121                 g_print ("WM_MOUSEMOVE: %#lx  %#x (%d,%d)\n",
2122                          (gulong) msg->hwnd, msg->wParam,
2123                          LOWORD (msg->lParam), HIWORD (msg->lParam)));
2124
2125       /* If we haven't moved, don't create any event.
2126        * Windows sends WM_MOUSEMOVE messages after button presses
2127        * even if the mouse doesn't move. This disturbs gtk.
2128        */
2129       if (window == current_window
2130           && LOWORD (msg->lParam) == current_x
2131           && HIWORD (msg->lParam) == current_y)
2132         break;
2133
2134       /* HB: only process mouse move messages if we own the active window. */
2135       GetWindowThreadProcessId(GetActiveWindow(), &pidActWin);
2136       GetWindowThreadProcessId(msg->hwnd, &pidThis);
2137       if (pidActWin != pidThis)
2138         break;
2139
2140       if (window != current_window)
2141         synthesize_crossing_events (window, msg);
2142
2143       if (GDK_WINDOW_OBJECT (window)->extension_events != 0
2144           && gdk_input_ignore_core)
2145         {
2146           GDK_NOTE (EVENTS, g_print ("...ignored\n"));
2147           break;
2148         }
2149
2150       event->motion.type = GDK_MOTION_NOTIFY;
2151       if (!propagate (&window, msg,
2152                       p_grab_window, p_grab_owner_events, p_grab_mask,
2153                       doesnt_want_button_motion))
2154           break;
2155       ASSIGN_WINDOW (window);
2156
2157       event->motion.window = window;
2158       event->motion.time = msg->time;
2159       if (window != orig_window)
2160         translate_mouse_coords (orig_window, window, msg);
2161       event->motion.x = current_x = (gint16) LOWORD (msg->lParam);
2162       event->motion.y = current_y = (gint16) HIWORD (msg->lParam);
2163       event->motion.x_root = current_x_root = msg->pt.x;
2164       event->motion.y_root = current_y_root = msg->pt.y;
2165       event->motion.axes = NULL;
2166       event->motion.state = build_pointer_event_state (msg);
2167       event->motion.is_hint = FALSE;
2168       event->motion.device = gdk_core_pointer;
2169
2170       return_val = !GDK_WINDOW_DESTROYED (window);
2171       break;
2172
2173     case WM_NCMOUSEMOVE:
2174       GDK_NOTE (EVENTS,
2175                 g_print ("WM_NCMOUSEMOVE: %#lx  x,y: %d %d\n",
2176                          (gulong) msg->hwnd,
2177                          LOWORD (msg->lParam), HIWORD (msg->lParam)));
2178       if (track_mouse_event == NULL
2179           && current_window != NULL
2180           && (GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (current_window)->impl)->event_mask & GDK_LEAVE_NOTIFY_MASK))
2181         {
2182           GDK_NOTE (EVENTS, g_print ("...synthesizing LEAVE_NOTIFY event\n"));
2183
2184           event->crossing.type = GDK_LEAVE_NOTIFY;
2185           event->crossing.window = current_window;
2186           event->crossing.subwindow = NULL;
2187           event->crossing.time = msg->time;
2188           event->crossing.x = current_x;
2189           event->crossing.y = current_y;
2190           event->crossing.x_root = current_x_root;
2191           event->crossing.y_root = current_y_root;
2192           event->crossing.mode = GDK_CROSSING_NORMAL;
2193           event->crossing.detail = GDK_NOTIFY_NONLINEAR;
2194
2195           event->crossing.focus = TRUE; /* ??? */
2196           event->crossing.state = 0; /* ??? */
2197           return_val = TRUE;
2198         }
2199
2200       if (current_window)
2201         {
2202           gdk_drawable_unref (current_window);
2203           current_window = NULL;
2204         }
2205
2206       break;
2207
2208     case WM_MOUSEWHEEL:
2209       GDK_NOTE (EVENTS, g_print ("WM_MOUSEWHEEL: %#lx %d\n",
2210                                  (gulong) msg->hwnd, HIWORD (msg->wParam)));
2211
2212       event->scroll.type = GDK_SCROLL;
2213
2214       /* WM_MOUSEWHEEL is delivered to the focus window Work around
2215        * that. Also, the position is in screen coordinates, not client
2216        * coordinates as with the button messages. I love the
2217        * consistency of Windows.
2218        */
2219       pt.x = LOWORD (msg->lParam);
2220       pt.y = HIWORD (msg->lParam);
2221       if ((hwnd = WindowFromPoint (pt)) == NULL)
2222         break;
2223
2224       msg->hwnd = hwnd;
2225       if ((new_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) msg->hwnd)) == NULL)
2226         break;
2227
2228       if (new_window != window)
2229         {
2230           gdk_drawable_unref (window);
2231           ASSIGN_WINDOW (new_window);
2232           gdk_drawable_ref (window);
2233         }
2234
2235       if (GDK_WINDOW_OBJECT (window)->extension_events != 0
2236           && gdk_input_ignore_core)
2237         {
2238           GDK_NOTE (EVENTS, g_print ("...ignored\n"));
2239           break;
2240         }
2241
2242       if (!propagate (&window, msg,
2243                       p_grab_window, p_grab_owner_events, p_grab_mask,
2244                       doesnt_want_scroll))
2245         break;
2246
2247       ASSIGN_WINDOW (window);
2248
2249       ScreenToClient (msg->hwnd, &pt);
2250       event->button.window = window;
2251       event->scroll.direction = (((short) HIWORD (msg->wParam)) > 0) ?
2252         GDK_SCROLL_UP : GDK_SCROLL_DOWN;
2253       event->scroll.window = window;
2254       event->scroll.time = msg->time;
2255       event->scroll.x = (gint16) pt.x;
2256       event->scroll.y = (gint16) pt.y;
2257       event->scroll.x_root = (gint16) LOWORD (msg->lParam);
2258       event->scroll.y_root = (gint16) HIWORD (msg->lParam);
2259       event->scroll.state = build_pointer_event_state (msg);
2260       event->scroll.device = gdk_core_pointer;
2261       return_val = !GDK_WINDOW_DESTROYED (window);
2262
2263       break;
2264
2265 #ifdef USE_TRACKMOUSEEVENT
2266     case WM_MOUSELEAVE:
2267       GDK_NOTE (EVENTS, g_print ("WM_MOUSELEAVE: %#lx\n", (gulong) msg->hwnd));
2268
2269       if (!(window_impl->event_mask & GDK_LEAVE_NOTIFY_MASK))
2270         break;
2271
2272       event->crossing.type = GDK_LEAVE_NOTIFY;
2273       event->crossing.window = window;
2274       event->crossing.subwindow = NULL;
2275       event->crossing.time = msg->time;
2276       event->crossing.x = current_x;
2277       event->crossing.y = current_y;
2278       event->crossing.x_root = current_xroot;
2279       event->crossing.y_root = current_yroot;
2280       event->crossing.mode = GDK_CROSSING_NORMAL;
2281       if (current_window
2282           && IsChild (GDK_WINDOW_HWND (current_window), GDK_WINDOW_HWND (window)))
2283         event->crossing.detail = GDK_NOTIFY_INFERIOR;
2284       else if (current_window
2285                && IsChild (GDK_WINDOW_HWND (window), GDK_WINDOW_HWND (current_window)))
2286         event->crossing.detail = GDK_NOTIFY_ANCESTOR;
2287       else
2288         event->crossing.detail = GDK_NOTIFY_NONLINEAR;
2289
2290       event->crossing.focus = TRUE; /* ??? */
2291       event->crossing.state = 0; /* ??? */
2292
2293       if (current_window)
2294         {
2295           gdk_drawable_unref (current_window);
2296           current_window = NULL;
2297         }
2298
2299       return_val = !GDK_WINDOW_DESTROYED (window);
2300       break;
2301 #endif
2302
2303     case WM_SETFOCUS:
2304     case WM_KILLFOCUS:
2305       GDK_NOTE (EVENTS, g_print ("WM_%sFOCUS: %#lx\n",
2306                                  (msg->message == WM_SETFOCUS ?
2307                                   "SET" : "KILL"),
2308                                  (gulong) msg->hwnd));
2309
2310       if (!(window_impl->event_mask & GDK_FOCUS_CHANGE_MASK))
2311         break;
2312
2313       event->focus_change.type = GDK_FOCUS_CHANGE;
2314       event->focus_change.window = window;
2315       event->focus_change.in = (msg->message == WM_SETFOCUS);
2316       return_val = !GDK_WINDOW_DESTROYED (window);
2317       break;
2318
2319     case WM_ERASEBKGND:
2320       GDK_NOTE (EVENTS, g_print ("WM_ERASEBKGND: %#lx  dc %#x\n",
2321                                  (gulong) msg->hwnd, msg->wParam));
2322
2323       if (GDK_WINDOW_DESTROYED (window))
2324         break;
2325
2326       colormap_private = (GdkColormapPrivateWin32 *) GDK_DRAWABLE_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl)->colormap;
2327       hdc = (HDC) msg->wParam;
2328       if (colormap_private && colormap_private->xcolormap->rc_palette)
2329         {
2330           int k;
2331
2332           if (SelectPalette (hdc,  colormap_private->xcolormap->palette,
2333                              FALSE) == NULL)
2334             WIN32_GDI_FAILED ("SelectPalette");
2335           if ((k = RealizePalette (hdc)) == GDI_ERROR)
2336             WIN32_GDI_FAILED ("RealizePalette");
2337 #if 0
2338           g_print ("WM_ERASEBKGND: selected %#x, realized %d colors\n",
2339                    colormap_private->xcolormap->palette, k);
2340 #endif
2341         }
2342       *ret_val_flagp = TRUE;
2343       *ret_valp = 1;
2344
2345       if (GDK_WINDOW_OBJECT (window)->input_only)
2346         break;
2347
2348       if (GDK_WINDOW_OBJECT (window)->bg_pixmap == GDK_PARENT_RELATIVE_BG)
2349         {
2350           /* If this window should have the same background as the
2351            * parent, fetch the parent. (And if the same goes for
2352            * the parent, fetch the grandparent, etc.)
2353            */
2354           while (window && GDK_WINDOW_OBJECT (window)->bg_pixmap == GDK_PARENT_RELATIVE_BG)
2355             {
2356               gdk_drawable_unref (window);
2357               ASSIGN_WINDOW (GDK_WINDOW (GDK_WINDOW_OBJECT (window)->parent));
2358               gdk_drawable_ref (window);
2359             }
2360         }
2361
2362       if (GDK_WINDOW_OBJECT (window)->bg_pixmap == NULL)
2363         {
2364           bg = gdk_colormap_color (GDK_DRAWABLE_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl)->colormap,
2365                                    GDK_WINDOW_OBJECT (window)->bg_color.pixel);
2366
2367           GetClipBox (hdc, &rect);
2368           GDK_NOTE (EVENTS,
2369                     g_print ("...%ldx%ld@+%ld+%ld BG_PIXEL %.06lx\n",
2370                              rect.right - rect.left,
2371                              rect.bottom - rect.top,
2372                              rect.left, rect.top,
2373                              (gulong) bg));
2374           hbr = CreateSolidBrush (bg);
2375 #if 0
2376           g_print ("...CreateSolidBrush (%.08x) = %.08x\n", bg, hbr);
2377 #endif
2378           if (!FillRect (hdc, &rect, hbr))
2379             WIN32_GDI_FAILED ("FillRect");
2380           DeleteObject (hbr);
2381         }
2382       else if (GDK_WINDOW_OBJECT (window)->bg_pixmap != NULL &&
2383                GDK_WINDOW_OBJECT (window)->bg_pixmap != GDK_NO_BG)
2384         {
2385           pixmap = GDK_WINDOW_OBJECT (window)->bg_pixmap;
2386           pixmap_impl = GDK_PIXMAP_IMPL_WIN32 (pixmap);
2387           GetClipBox (hdc, &rect);
2388
2389           if (pixmap_impl->width <= 8 && pixmap_impl->height <= 8)
2390             {
2391               GDK_NOTE (EVENTS, g_print ("...small pixmap, using brush\n"));
2392               hbr = CreatePatternBrush (GDK_PIXMAP_HBITMAP (pixmap));
2393               if (!FillRect (hdc, &rect, hbr))
2394                 WIN32_GDI_FAILED ("FillRect");
2395               DeleteObject (hbr);
2396             }
2397           else
2398             {
2399               GDK_NOTE (EVENTS,
2400                         g_print ("...blitting pixmap %#lx (%dx%d) "
2401                                  "all over the place,\n"
2402                                  "...clip box = %ldx%ld@+%ld+%ld\n",
2403                                  (gulong) GDK_PIXMAP_HBITMAP (pixmap),
2404                                  pixmap_impl->width, pixmap_impl->height,
2405                                  rect.right - rect.left, rect.bottom - rect.top,
2406                                  rect.left, rect.top));
2407
2408               if (!(bgdc = CreateCompatibleDC (hdc)))
2409                 {
2410                   WIN32_GDI_FAILED ("CreateCompatibleDC");
2411                   break;
2412                 }
2413               if (!(oldbitmap = SelectObject (bgdc, GDK_PIXMAP_HBITMAP (pixmap))))
2414                 {
2415                   WIN32_GDI_FAILED ("SelectObject");
2416                   DeleteDC (bgdc);
2417                   break;
2418                 }
2419               i = 0;
2420               while (i < rect.right)
2421                 {
2422                   j = 0;
2423                   while (j < rect.bottom)
2424                     {
2425                       if (i + pixmap_impl->width >= rect.left
2426                           && j + pixmap_impl->height >= rect.top)
2427                         {
2428                           if (!BitBlt (hdc, i, j,
2429                                        pixmap_impl->width, pixmap_impl->height,
2430                                        bgdc, 0, 0, SRCCOPY))
2431                             {
2432                               WIN32_GDI_FAILED ("BitBlt");
2433                               goto loopexit;
2434                             }
2435                         }
2436                       j += pixmap_impl->height;
2437                     }
2438                   i += pixmap_impl->width;
2439                 }
2440             loopexit:
2441               SelectObject (bgdc, oldbitmap);
2442               DeleteDC (bgdc);
2443             }
2444         }
2445       else
2446         {
2447           GDK_NOTE (EVENTS, g_print ("...BLACK_BRUSH (?)\n"));
2448           hbr = GetStockObject (BLACK_BRUSH);
2449           GetClipBox (hdc, &rect);
2450           if (!FillRect (hdc, &rect, hbr))
2451             WIN32_GDI_FAILED ("FillRect");
2452         }
2453       break;
2454
2455     case WM_PAINT:
2456       if (!GetUpdateRect(msg->hwnd, NULL, FALSE))
2457         {
2458           GDK_NOTE (EVENTS, g_print ("WM_PAINT: %#lx no update rect\n",
2459                                      (gulong) msg->hwnd));
2460           break;
2461         }
2462
2463       /* HB: don't generate GDK_EXPOSE events for InputOnly
2464        * windows -> backing store now works!
2465        */
2466       if (GDK_WINDOW_OBJECT (window)->input_only)
2467         break;
2468
2469       hdc = BeginPaint (msg->hwnd, &paintstruct);
2470
2471       GDK_NOTE (EVENTS,
2472                 g_print ("WM_PAINT: %#lx  %ldx%ld@+%ld+%ld %s dc %#lx\n",
2473                          (gulong) msg->hwnd,
2474                          paintstruct.rcPaint.right - paintstruct.rcPaint.left,
2475                          paintstruct.rcPaint.bottom - paintstruct.rcPaint.top,
2476                          paintstruct.rcPaint.left, paintstruct.rcPaint.top,
2477                          (paintstruct.fErase ? "erase" : ""),
2478                          (gulong) hdc));
2479
2480       EndPaint (msg->hwnd, &paintstruct);
2481
2482       if (!(window_impl->event_mask & GDK_EXPOSURE_MASK))
2483         break;
2484
2485       if ((paintstruct.rcPaint.right == paintstruct.rcPaint.left)
2486           || (paintstruct.rcPaint.bottom == paintstruct.rcPaint.top))
2487         break;
2488
2489       event->expose.type = GDK_EXPOSE;
2490       event->expose.window = window;
2491       event->expose.area.x = paintstruct.rcPaint.left;
2492       event->expose.area.y = paintstruct.rcPaint.top;
2493       event->expose.area.width = paintstruct.rcPaint.right - paintstruct.rcPaint.left;
2494       event->expose.area.height = paintstruct.rcPaint.bottom - paintstruct.rcPaint.top;
2495       event->expose.count = 0;
2496
2497       return_val = !GDK_WINDOW_DESTROYED (window);
2498       if (return_val)
2499         {
2500           GList *list = gdk_queued_events;
2501           while (list != NULL )
2502             {
2503               if ((((GdkEvent *)list->data)->any.type == GDK_EXPOSE) &&
2504                   (((GdkEvent *)list->data)->any.window == window) &&
2505                   !(((GdkEventPrivate *)list->data)->flags & GDK_EVENT_PENDING))
2506                 ((GdkEvent *)list->data)->expose.count++;
2507
2508               list = list->next;
2509             }
2510         }
2511       break;
2512
2513     case WM_SETCURSOR:
2514       GDK_NOTE (EVENTS, g_print ("WM_SETCURSOR: %#lx %#x %#x\n",
2515                                  (gulong) msg->hwnd,
2516                                  LOWORD (msg->lParam), HIWORD (msg->lParam)));
2517
2518       if (LOWORD (msg->lParam) != HTCLIENT)
2519         break;
2520
2521       if (p_grab_window != NULL && p_grab_cursor != NULL)
2522         hcursor = p_grab_cursor;
2523       else if (!GDK_WINDOW_DESTROYED (window))
2524         hcursor = window_impl->hcursor;
2525       else
2526         hcursor = NULL;
2527
2528       if (hcursor != NULL)
2529         {
2530           GDK_NOTE (EVENTS, g_print ("...SetCursor(%#lx)\n", (gulong) hcursor));
2531           SetCursor (hcursor);
2532           *ret_val_flagp = TRUE;
2533           *ret_valp = TRUE;
2534         }
2535       break;
2536
2537     case WM_SHOWWINDOW:
2538       GDK_NOTE (EVENTS, g_print ("WM_SHOWWINDOW: %#lx  %d\n",
2539                                  (gulong) msg->hwnd,
2540                                  msg->wParam));
2541
2542       if (!(window_impl->event_mask & GDK_STRUCTURE_MASK))
2543         break;
2544
2545       event->any.type = (msg->wParam ? GDK_MAP : GDK_UNMAP);
2546       event->any.window = window;
2547
2548       if (event->any.type == GDK_UNMAP
2549           && p_grab_window == window)
2550         gdk_pointer_ungrab (msg->time);
2551
2552       if (event->any.type == GDK_UNMAP
2553           && k_grab_window == window)
2554         gdk_keyboard_ungrab (msg->time);
2555
2556       return_val = !GDK_WINDOW_DESTROYED (window);
2557       break;
2558
2559     case WM_SIZE:
2560       GDK_NOTE (EVENTS,
2561                 g_print ("WM_SIZE: %#lx  %s %dx%d\n",
2562                          (gulong) msg->hwnd,
2563                          (msg->wParam == SIZE_MAXHIDE ? "MAXHIDE" :
2564                           (msg->wParam == SIZE_MAXIMIZED ? "MAXIMIZED" :
2565                            (msg->wParam == SIZE_MAXSHOW ? "MAXSHOW" :
2566                             (msg->wParam == SIZE_MINIMIZED ? "MINIMIZED" :
2567                              (msg->wParam == SIZE_RESTORED ? "RESTORED" : "?"))))),
2568                          LOWORD (msg->lParam), HIWORD (msg->lParam)));
2569
2570       if (!(window_impl->event_mask & GDK_STRUCTURE_MASK))
2571         break;
2572
2573       if (msg->wParam == SIZE_MINIMIZED)
2574         {
2575           event->any.type = GDK_UNMAP;
2576           event->any.window = window;
2577
2578           if (p_grab_window == window)
2579             gdk_pointer_ungrab (msg->time);
2580
2581           if (k_grab_window == window)
2582             gdk_keyboard_ungrab (msg->time);
2583
2584           return_val = !GDK_WINDOW_DESTROYED (window);
2585         }
2586       else if ((msg->wParam == SIZE_RESTORED
2587                 || msg->wParam == SIZE_MAXIMIZED)
2588 #if 1
2589                && GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD
2590 #endif
2591                                                                  )
2592         {
2593           if (LOWORD (msg->lParam) == 0)
2594             break;
2595
2596           event->configure.type = GDK_CONFIGURE;
2597           event->configure.window = window;
2598           pt.x = 0;
2599           pt.y = 0;
2600           ClientToScreen (msg->hwnd, &pt);
2601           event->configure.x = pt.x;
2602           event->configure.y = pt.y;
2603           event->configure.width = LOWORD (msg->lParam);
2604           event->configure.height = HIWORD (msg->lParam);
2605           GDK_WINDOW_OBJECT (window)->x = event->configure.x;
2606           GDK_WINDOW_OBJECT (window)->y = event->configure.y;
2607           window_impl->width = event->configure.width;
2608           window_impl->height = event->configure.height;
2609
2610           if (GDK_WINDOW_OBJECT (window)->resize_count > 1)
2611             GDK_WINDOW_OBJECT (window)->resize_count -= 1;
2612
2613           return_val = !GDK_WINDOW_DESTROYED (window);
2614           if (return_val
2615               && GDK_WINDOW_OBJECT (window)->extension_events != 0)
2616             _gdk_input_configure_event (&event->configure, window);
2617         }
2618       break;
2619
2620     case WM_GETMINMAXINFO:
2621       GDK_NOTE (EVENTS, g_print ("WM_GETMINMAXINFO: %#lx\n", (gulong) msg->hwnd));
2622
2623       mmi = (MINMAXINFO*) msg->lParam;
2624       if (window_impl->hint_flags & GDK_HINT_MIN_SIZE)
2625         {
2626           mmi->ptMinTrackSize.x = window_impl->hint_min_width;
2627           mmi->ptMinTrackSize.y = window_impl->hint_min_height;
2628         }
2629       if (window_impl->hint_flags & GDK_HINT_MAX_SIZE)
2630         {
2631           mmi->ptMaxTrackSize.x = window_impl->hint_max_width;
2632           mmi->ptMaxTrackSize.y = window_impl->hint_max_height;
2633
2634           mmi->ptMaxSize.x = window_impl->hint_max_width;
2635           mmi->ptMaxSize.y = window_impl->hint_max_height;
2636         }
2637       break;
2638
2639     case WM_MOVE:
2640       GDK_NOTE (EVENTS, g_print ("WM_MOVE: %#lx  (%d,%d)\n",
2641                                  (gulong) msg->hwnd,
2642                                  LOWORD (msg->lParam), HIWORD (msg->lParam)));
2643
2644       if (!(window_impl->event_mask & GDK_STRUCTURE_MASK))
2645         break;
2646
2647       if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD
2648           && !IsIconic(msg->hwnd)
2649           && IsWindowVisible(msg->hwnd))
2650         {
2651           event->configure.type = GDK_CONFIGURE;
2652           event->configure.window = window;
2653           event->configure.x = LOWORD (msg->lParam);
2654           event->configure.y = HIWORD (msg->lParam);
2655           GetClientRect (msg->hwnd, &rect);
2656           event->configure.width = rect.right;
2657           event->configure.height = rect.bottom;
2658           GDK_WINDOW_OBJECT (window)->x = event->configure.x;
2659           GDK_WINDOW_OBJECT (window)->y = event->configure.y;
2660           window_impl->width = event->configure.width;
2661           window_impl->height = event->configure.height;
2662
2663           return_val = !GDK_WINDOW_DESTROYED (window);
2664         }
2665       break;
2666
2667     case WM_CLOSE:
2668       GDK_NOTE (EVENTS, g_print ("WM_CLOSE: %#lx\n", (gulong) msg->hwnd));
2669
2670       event->any.type = GDK_DELETE;
2671       event->any.window = window;
2672
2673       return_val = !GDK_WINDOW_DESTROYED (window);
2674       break;
2675
2676 #if 0
2677     /* No, don't use delayed rendering after all. It works only if the
2678      * delayed SetClipboardData is called from the WindowProc, it
2679      * seems. (The #else part below is test code for that. It succeeds
2680      * in setting the clipboard data. But if I call SetClipboardData
2681      * in gdk_property_change (as a consequence of the
2682      * GDK_SELECTION_REQUEST event), it fails.  I deduce that this is
2683      * because delayed rendering requires that SetClipboardData is
2684      * called in the window procedure.)
2685      */
2686     case WM_RENDERFORMAT:
2687     case WM_RENDERALLFORMATS:
2688       flag = FALSE;
2689       GDK_NOTE (EVENTS, flag = TRUE);
2690       if (flag)
2691         g_print ("WM_%s: %#lx %#x (%s)\n",
2692                  (msg->message == WM_RENDERFORMAT ? "RENDERFORMAT" :
2693                   "RENDERALLFORMATS"),
2694                  (gulong) msg->hwnd,
2695                  msg->wParam,
2696                  (msg->wParam == CF_TEXT ? "CF_TEXT" :
2697                   (msg->wParam == CF_DIB ? "CF_DIB" :
2698                    (msg->wParam == CF_UNICODETEXT ? "CF_UNICODETEXT" :
2699                     (GetClipboardFormatName (msg->wParam, buf, sizeof (buf)), buf)))));
2700
2701 #if 0
2702       event->selection.type = GDK_SELECTION_REQUEST;
2703       event->selection.window = window;
2704       event->selection.selection = gdk_clipboard_atom;
2705       if (msg->wParam == CF_TEXT)
2706         event->selection.target = GDK_TARGET_STRING;
2707       else
2708         {
2709           GetClipboardFormatName (msg->wParam, buf, sizeof (buf));
2710           event->selection.target = gdk_atom_intern (buf, FALSE);
2711         }
2712       event->selection.property = gdk_selection_property;
2713       event->selection.requestor = (guint32) msg->hwnd;
2714       event->selection.time = msg->time;
2715       return_val = !GDK_WINDOW_DESTROYED (window);
2716 #else
2717       /* Test code, to see if SetClipboardData works when called from
2718        * the window procedure.
2719        */
2720       {
2721         HGLOBAL hdata = GlobalAlloc (GMEM_MOVEABLE|GMEM_DDESHARE, 10);
2722         char *ptr = GlobalLock (hdata);
2723         strcpy (ptr, "Huhhaa");
2724         GlobalUnlock (hdata);
2725         if (!SetClipboardData (CF_TEXT, hdata))
2726           WIN32_API_FAILED ("SetClipboardData");
2727       }
2728       *ret_valp = 0;
2729       *ret_val_flagp = TRUE;
2730       return_val = FALSE;
2731 #endif
2732       break;
2733 #endif /* No delayed rendering */
2734
2735     case WM_DESTROY:
2736       GDK_NOTE (EVENTS, g_print ("WM_DESTROY: %#lx\n", (gulong) msg->hwnd));
2737
2738       event->any.type = GDK_DESTROY;
2739       event->any.window = window;
2740       if (window != NULL && window == current_window)
2741         {
2742           gdk_drawable_unref (current_window);
2743           current_window = NULL;
2744         }
2745
2746       if (p_grab_window == window)
2747         gdk_pointer_ungrab (msg->time);
2748
2749       if (k_grab_window == window)
2750         gdk_keyboard_ungrab (msg->time);
2751
2752       return_val = window != NULL && !GDK_WINDOW_DESTROYED (window);
2753
2754       if ((window != NULL) && (gdk_root_window != msg->hwnd))
2755         gdk_window_destroy_notify (window);
2756
2757       break;
2758
2759 #ifdef HAVE_WINTAB
2760       /* Handle WINTAB events here, as we know that gdkinput.c will
2761        * use the fixed WT_DEFBASE as lcMsgBase, and we thus can use the
2762        * constants as case labels.
2763        */
2764     case WT_PACKET:
2765       GDK_NOTE (EVENTS, g_print ("WT_PACKET: %#lx %d %#lx\n",
2766                                  (gulong) msg->hwnd,
2767                                  msg->wParam, msg->lParam));
2768       goto wintab;
2769
2770     case WT_CSRCHANGE:
2771       GDK_NOTE (EVENTS, g_print ("WT_CSRCHANGE: %#lx %d %#lx\n",
2772                                  (gulong) msg->hwnd,
2773                                  msg->wParam, msg->lParam));
2774       goto wintab;
2775
2776     case WT_PROXIMITY:
2777       GDK_NOTE (EVENTS, g_print ("WT_PROXIMITY: %#lx %#x %d %d\n",
2778                                  (gulong) msg->hwnd, msg->wParam,
2779                                  LOWORD (msg->lParam),
2780                                  HIWORD (msg->lParam)));
2781       /* Fall through */
2782     wintab:
2783       event->any.window = window;
2784       return_val = _gdk_input_other_event(event, msg, window);
2785       break;
2786 #endif
2787
2788     default:
2789       GDK_NOTE (EVENTS, g_print ("%s: %#lx %#x %#lx\n",
2790                                  gdk_win32_message_name (msg->message),
2791                                  (gulong) msg->hwnd,
2792                                  msg->wParam, msg->lParam));
2793     }
2794
2795 done:
2796
2797   if (return_val)
2798     {
2799       if (event->any.window)
2800         gdk_drawable_ref (event->any.window);
2801       if (((event->any.type == GDK_ENTER_NOTIFY) ||
2802            (event->any.type == GDK_LEAVE_NOTIFY)) &&
2803           (event->crossing.subwindow != NULL))
2804         gdk_drawable_ref (event->crossing.subwindow);
2805
2806       GDK_NOTE (EVENTS, print_event (event));
2807     }
2808   else
2809     {
2810       /* Mark this event as having no resources to be freed */
2811       event->any.window = NULL;
2812       event->any.type = GDK_NOTHING;
2813     }
2814
2815   if (window)
2816     gdk_drawable_unref (window);
2817
2818   return return_val;
2819 }
2820
2821 void
2822 gdk_events_queue (void)
2823 {
2824   MSG msg;
2825
2826   while (!gdk_event_queue_find_first ()
2827          && PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
2828     {
2829       GDK_NOTE (EVENTS, g_print ("PeekMessage: %#lx %s\n",
2830                                  (gulong) msg.hwnd, gdk_win32_message_name (msg.message)));
2831
2832       if (active_imm_msgpump_owner == NULL
2833           || (active_imm_msgpump_owner->lpVtbl->OnTranslateMessage) (active_imm_msgpump_owner, &msg) != S_OK)
2834         TranslateMessage (&msg);
2835
2836       DispatchMessage (&msg);
2837     }
2838 }
2839
2840 static gboolean
2841 gdk_event_prepare (GSource *source,
2842                    gint    *timeout)
2843 {
2844   MSG msg;
2845   gboolean retval;
2846
2847   GDK_THREADS_ENTER ();
2848
2849   *timeout = -1;
2850
2851   retval = (gdk_event_queue_find_first () != NULL)
2852               || PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE);
2853
2854   GDK_THREADS_LEAVE ();
2855
2856   return retval;
2857 }
2858
2859 static gboolean
2860 gdk_event_check (GSource *source)
2861 {
2862   MSG msg;
2863   gboolean retval;
2864
2865   GDK_THREADS_ENTER ();
2866
2867   if (event_poll_fd.revents & G_IO_IN)
2868     retval = (gdk_event_queue_find_first () != NULL)
2869               || PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE);
2870   else
2871     retval = FALSE;
2872
2873   GDK_THREADS_LEAVE ();
2874
2875   return retval;
2876 }
2877
2878 static gboolean
2879 gdk_event_dispatch (GSource     *source,
2880                     GSourceFunc  callback,
2881                     gpointer     user_data)
2882 {
2883   GdkEvent *event;
2884
2885   GDK_THREADS_ENTER ();
2886
2887   gdk_events_queue();
2888   event = gdk_event_unqueue();
2889
2890   if (event)
2891     {
2892       if (gdk_event_func)
2893         (*gdk_event_func) (event, gdk_event_data);
2894
2895       gdk_event_free (event);
2896     }
2897
2898   GDK_THREADS_LEAVE ();
2899
2900   return TRUE;
2901 }
2902
2903 /* Sends a ClientMessage to all toplevel client windows */
2904 gboolean
2905 gdk_event_send_client_message (GdkEvent *event, guint32 xid)
2906 {
2907   /* XXX */
2908   return FALSE;
2909 }
2910
2911 void
2912 gdk_event_send_clientmessage_toall (GdkEvent *event)
2913 {
2914   /* XXX */
2915 }
2916
2917 void
2918 gdk_flush (void)
2919 {
2920   GdiFlush ();
2921 }
2922
2923 #ifdef G_ENABLE_DEBUG
2924
2925 gchar *
2926 gdk_win32_message_name (UINT msg)
2927 {
2928   static gchar bfr[100];
2929
2930   switch (msg)
2931     {
2932 #define CASE(x) case x: return #x
2933       CASE (WM_NULL);
2934       CASE (WM_CREATE);
2935       CASE (WM_DESTROY);
2936       CASE (WM_MOVE);
2937       CASE (WM_SIZE);
2938       CASE (WM_ACTIVATE);
2939       CASE (WM_SETFOCUS);
2940       CASE (WM_KILLFOCUS);
2941       CASE (WM_ENABLE);
2942       CASE (WM_SETREDRAW);
2943       CASE (WM_SETTEXT);
2944       CASE (WM_GETTEXT);
2945       CASE (WM_GETTEXTLENGTH);
2946       CASE (WM_PAINT);
2947       CASE (WM_CLOSE);
2948       CASE (WM_QUERYENDSESSION);
2949       CASE (WM_QUERYOPEN);
2950       CASE (WM_ENDSESSION);
2951       CASE (WM_QUIT);
2952       CASE (WM_ERASEBKGND);
2953       CASE (WM_SYSCOLORCHANGE);
2954       CASE (WM_SHOWWINDOW);
2955       CASE (WM_WININICHANGE);
2956       CASE (WM_DEVMODECHANGE);
2957       CASE (WM_ACTIVATEAPP);
2958       CASE (WM_FONTCHANGE);
2959       CASE (WM_TIMECHANGE);
2960       CASE (WM_CANCELMODE);
2961       CASE (WM_SETCURSOR);
2962       CASE (WM_MOUSEACTIVATE);
2963       CASE (WM_CHILDACTIVATE);
2964       CASE (WM_QUEUESYNC);
2965       CASE (WM_GETMINMAXINFO);
2966       CASE (WM_PAINTICON);
2967       CASE (WM_ICONERASEBKGND);
2968       CASE (WM_NEXTDLGCTL);
2969       CASE (WM_SPOOLERSTATUS);
2970       CASE (WM_DRAWITEM);
2971       CASE (WM_MEASUREITEM);
2972       CASE (WM_DELETEITEM);
2973       CASE (WM_VKEYTOITEM);
2974       CASE (WM_CHARTOITEM);
2975       CASE (WM_SETFONT);
2976       CASE (WM_GETFONT);
2977       CASE (WM_SETHOTKEY);
2978       CASE (WM_GETHOTKEY);
2979       CASE (WM_QUERYDRAGICON);
2980       CASE (WM_COMPAREITEM);
2981       CASE (WM_GETOBJECT);
2982       CASE (WM_COMPACTING);
2983       CASE (WM_WINDOWPOSCHANGING);
2984       CASE (WM_WINDOWPOSCHANGED);
2985       CASE (WM_POWER);
2986       CASE (WM_COPYDATA);
2987       CASE (WM_CANCELJOURNAL);
2988       CASE (WM_NOTIFY);
2989       CASE (WM_INPUTLANGCHANGEREQUEST);
2990       CASE (WM_INPUTLANGCHANGE);
2991       CASE (WM_TCARD);
2992       CASE (WM_HELP);
2993       CASE (WM_USERCHANGED);
2994       CASE (WM_NOTIFYFORMAT);
2995       CASE (WM_CONTEXTMENU);
2996       CASE (WM_STYLECHANGING);
2997       CASE (WM_STYLECHANGED);
2998       CASE (WM_DISPLAYCHANGE);
2999       CASE (WM_GETICON);
3000       CASE (WM_SETICON);
3001       CASE (WM_NCCREATE);
3002       CASE (WM_NCDESTROY);
3003       CASE (WM_NCCALCSIZE);
3004       CASE (WM_NCHITTEST);
3005       CASE (WM_NCPAINT);
3006       CASE (WM_NCACTIVATE);
3007       CASE (WM_GETDLGCODE);
3008       CASE (WM_SYNCPAINT);
3009       CASE (WM_NCMOUSEMOVE);
3010       CASE (WM_NCLBUTTONDOWN);
3011       CASE (WM_NCLBUTTONUP);
3012       CASE (WM_NCLBUTTONDBLCLK);
3013       CASE (WM_NCRBUTTONDOWN);
3014       CASE (WM_NCRBUTTONUP);
3015       CASE (WM_NCRBUTTONDBLCLK);
3016       CASE (WM_NCMBUTTONDOWN);
3017       CASE (WM_NCMBUTTONUP);
3018       CASE (WM_NCMBUTTONDBLCLK);
3019       CASE (WM_NCXBUTTONDOWN);
3020       CASE (WM_NCXBUTTONUP);
3021       CASE (WM_NCXBUTTONDBLCLK);
3022       CASE (WM_KEYDOWN);
3023       CASE (WM_KEYUP);
3024       CASE (WM_CHAR);
3025       CASE (WM_DEADCHAR);
3026       CASE (WM_SYSKEYDOWN);
3027       CASE (WM_SYSKEYUP);
3028       CASE (WM_SYSCHAR);
3029       CASE (WM_SYSDEADCHAR);
3030       CASE (WM_KEYLAST);
3031       CASE (WM_IME_STARTCOMPOSITION);
3032       CASE (WM_IME_ENDCOMPOSITION);
3033       CASE (WM_IME_COMPOSITION);
3034       CASE (WM_INITDIALOG);
3035       CASE (WM_COMMAND);
3036       CASE (WM_SYSCOMMAND);
3037       CASE (WM_TIMER);
3038       CASE (WM_HSCROLL);
3039       CASE (WM_VSCROLL);
3040       CASE (WM_INITMENU);
3041       CASE (WM_INITMENUPOPUP);
3042       CASE (WM_MENUSELECT);
3043       CASE (WM_MENUCHAR);
3044       CASE (WM_ENTERIDLE);
3045       CASE (WM_MENURBUTTONUP);
3046       CASE (WM_MENUDRAG);
3047       CASE (WM_MENUGETOBJECT);
3048       CASE (WM_UNINITMENUPOPUP);
3049       CASE (WM_MENUCOMMAND);
3050       CASE (WM_CHANGEUISTATE);
3051       CASE (WM_UPDATEUISTATE);
3052       CASE (WM_QUERYUISTATE);
3053       CASE (WM_CTLCOLORMSGBOX);
3054       CASE (WM_CTLCOLOREDIT);
3055       CASE (WM_CTLCOLORLISTBOX);
3056       CASE (WM_CTLCOLORBTN);
3057       CASE (WM_CTLCOLORDLG);
3058       CASE (WM_CTLCOLORSCROLLBAR);
3059       CASE (WM_CTLCOLORSTATIC);
3060       CASE (WM_MOUSEMOVE);
3061       CASE (WM_LBUTTONDOWN);
3062       CASE (WM_LBUTTONUP);
3063       CASE (WM_LBUTTONDBLCLK);
3064       CASE (WM_RBUTTONDOWN);
3065       CASE (WM_RBUTTONUP);
3066       CASE (WM_RBUTTONDBLCLK);
3067       CASE (WM_MBUTTONDOWN);
3068       CASE (WM_MBUTTONUP);
3069       CASE (WM_MBUTTONDBLCLK);
3070       CASE (WM_MOUSEWHEEL);
3071       CASE (WM_XBUTTONDOWN);
3072       CASE (WM_XBUTTONUP);
3073       CASE (WM_XBUTTONDBLCLK);
3074       CASE (WM_PARENTNOTIFY);
3075       CASE (WM_ENTERMENULOOP);
3076       CASE (WM_EXITMENULOOP);
3077       CASE (WM_NEXTMENU);
3078       CASE (WM_SIZING);
3079       CASE (WM_CAPTURECHANGED);
3080       CASE (WM_MOVING);
3081       CASE (WM_POWERBROADCAST);
3082       CASE (WM_DEVICECHANGE);
3083       CASE (WM_MDICREATE);
3084       CASE (WM_MDIDESTROY);
3085       CASE (WM_MDIACTIVATE);
3086       CASE (WM_MDIRESTORE);
3087       CASE (WM_MDINEXT);
3088       CASE (WM_MDIMAXIMIZE);
3089       CASE (WM_MDITILE);
3090       CASE (WM_MDICASCADE);
3091       CASE (WM_MDIICONARRANGE);
3092       CASE (WM_MDIGETACTIVE);
3093       CASE (WM_MDISETMENU);
3094       CASE (WM_ENTERSIZEMOVE);
3095       CASE (WM_EXITSIZEMOVE);
3096       CASE (WM_DROPFILES);
3097       CASE (WM_MDIREFRESHMENU);
3098       CASE (WM_IME_SETCONTEXT);
3099       CASE (WM_IME_NOTIFY);
3100       CASE (WM_IME_CONTROL);
3101       CASE (WM_IME_COMPOSITIONFULL);
3102       CASE (WM_IME_SELECT);
3103       CASE (WM_IME_CHAR);
3104       CASE (WM_IME_REQUEST);
3105       CASE (WM_IME_KEYDOWN);
3106       CASE (WM_IME_KEYUP);
3107       CASE (WM_MOUSEHOVER);
3108       CASE (WM_MOUSELEAVE);
3109       CASE (WM_NCMOUSEHOVER);
3110       CASE (WM_NCMOUSELEAVE);
3111       CASE (WM_CUT);
3112       CASE (WM_COPY);
3113       CASE (WM_PASTE);
3114       CASE (WM_CLEAR);
3115       CASE (WM_UNDO);
3116       CASE (WM_RENDERFORMAT);
3117       CASE (WM_RENDERALLFORMATS);
3118       CASE (WM_DESTROYCLIPBOARD);
3119       CASE (WM_DRAWCLIPBOARD);
3120       CASE (WM_PAINTCLIPBOARD);
3121       CASE (WM_VSCROLLCLIPBOARD);
3122       CASE (WM_SIZECLIPBOARD);
3123       CASE (WM_ASKCBFORMATNAME);
3124       CASE (WM_CHANGECBCHAIN);
3125       CASE (WM_HSCROLLCLIPBOARD);
3126       CASE (WM_QUERYNEWPALETTE);
3127       CASE (WM_PALETTEISCHANGING);
3128       CASE (WM_PALETTECHANGED);
3129       CASE (WM_HOTKEY);
3130       CASE (WM_PRINT);
3131       CASE (WM_PRINTCLIENT);
3132       CASE (WM_APPCOMMAND);
3133       CASE (WM_HANDHELDFIRST);
3134       CASE (WM_HANDHELDLAST);
3135       CASE (WM_AFXFIRST);
3136       CASE (WM_AFXLAST);
3137       CASE (WM_PENWINFIRST);
3138       CASE (WM_PENWINLAST);
3139       CASE (WM_APP);
3140 #undef CASE
3141     default:
3142       if (msg >= WM_HANDHELDFIRST && msg <= WM_HANDHELDLAST)
3143         sprintf (bfr, "WM_HANDHELDFIRST+%d", msg - WM_HANDHELDFIRST);
3144       else if (msg >= WM_AFXFIRST && msg <= WM_AFXLAST)
3145         sprintf (bfr, "WM_AFXFIRST+%d", msg - WM_AFXFIRST);
3146       else if (msg >= WM_PENWINFIRST && msg <= WM_PENWINLAST)
3147         sprintf (bfr, "WM_PENWINFIRST+%d", msg - WM_PENWINFIRST);
3148       else if (msg >= WM_USER && msg <= 0x7FFF)
3149         sprintf (bfr, "WM_USER+%d", msg - WM_USER);
3150       else if (msg >= 0xC000 && msg <= 0xFFFF)
3151         sprintf (bfr, "reg-%#x", msg);
3152       else
3153         sprintf (bfr, "unk-%#x", msg);
3154       return bfr;
3155     }
3156   g_assert_not_reached ();
3157 }
3158
3159 #endif /* G_ENABLE_DEBUG */