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