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 /* Do use SetCapture, it works now. Thanks to jpe@archaeopteryx.com */
  40 #define USE_SETCAPTURE 1
  41
  42 #include <stdio.h>
  43
  44 #include "gdkprivate-win32.h"
  45
  46 #include <objbase.h>
  47 #include <imm.h>
  48
  49 #ifdef HAVE_DIMM_H
  50 #include <dimm.h>
  51 #else
  52 #include "surrogate-dimm.h"
  53 #endif
  54
  55 #include "gdk.h"
  56 #include "gdkinternals.h"
  57 #include "gdkinput-win32.h"
  58
  59 #include "gdkkeysyms.h"
  60
  61 #define PING() printf("%s: %d\n",__FILE__,__LINE__),fflush(stdout)
  62
  63 typedef struct _GdkIOClosure GdkIOClosure;
  64 typedef struct _GdkEventPrivate GdkEventPrivate;
  65
  66 typedef enum
  67 {
  68   /* Following flag is set for events on the event queue during
  69    * translation and cleared afterwards.
  70    */
  71   GDK_EVENT_PENDING = 1 << 0
  72 } GdkEventFlags;
  73
  74 struct _GdkIOClosure
  75 {
  76   GdkInputFunction function;
  77   GdkInputCondition condition;
  78   GdkDestroyNotify notify;
  79   gpointer data;
  80 };
  81
  82 struct _GdkEventPrivate
  83 {
  84   GdkEvent event;
  85   guint    flags;
  86 };
  87
  88 /*
  89  * Private function declarations
  90  */
  91
  92 static GdkFilterReturn
  93                  gdk_event_apply_filters(MSG      *msg,
  94                                          GdkEvent *event,
  95                                          GList    *filters);
  96 static gboolean  gdk_event_translate    (GdkEvent *event,
  97                                          MSG      *msg,
  98                                          gboolean *ret_val_flagp,
  99                                          gint     *ret_valp,
 100                                          gboolean  return_exposes);
 101
 102 static gboolean gdk_event_prepare  (GSource     *source,
 103                                     gint        *timeout);
 104 static gboolean gdk_event_check    (GSource     *source);
 105 static gboolean gdk_event_dispatch (GSource     *source,
 106                                     GSourceFunc  callback,
 107                                     gpointer     user_data);
 108
 109 /* Private variable declarations
 110  */
 111
 112 static GdkWindow *p_grab_window = NULL; /* Window that currently
 113                                          * holds the pointer grab
 114                                          */
 115
 116 static GdkWindow *k_grab_window = NULL; /* Window the holds the
 117                                          * keyboard grab
 118                                          */
 119
 120 static GList *client_filters;   /* Filters for client messages */
 121
 122 static gboolean p_grab_automatic;
 123 static GdkEventMask p_grab_mask;
 124 static gboolean p_grab_owner_events, k_grab_owner_events;
 125 static HCURSOR p_grab_cursor;
 126
 127 static GSourceFuncs event_funcs = {
 128   gdk_event_prepare,
 129   gdk_event_check,
 130   gdk_event_dispatch,
 131   NULL
 132 };
 133
 134 GPollFD event_poll_fd;
 135
 136 static GdkWindow *current_window = NULL;
 137 static gint current_x, current_y;
 138 static gdouble current_x_root, current_y_root;
 139 static UINT gdk_ping_msg;
 140 static UINT msh_mousewheel_msg;
 141 static gboolean ignore_wm_char = FALSE;
 142 static gboolean is_altgr_key = FALSE;
 143
 144 static IActiveIMMApp *active_imm_app = NULL;
 145 static IActiveIMMMessagePumpOwner *active_imm_msgpump_owner = NULL;
 146
 147 typedef BOOL (WINAPI *PFN_TrackMouseEvent) (LPTRACKMOUSEEVENT);
 148 static PFN_TrackMouseEvent track_mouse_event = NULL;
 149
 150 static gboolean use_ime_composition = FALSE;
 151
 152 static LRESULT
 153 real_window_procedure (HWND   hwnd,
 154                        UINT   message,
 155                        WPARAM wparam,
 156                        LPARAM lparam)
 157 {
 158   GdkEventPrivate event;
 159   GdkEvent *eventp;
 160   MSG msg;
 161   DWORD pos;
 162   LRESULT lres;
 163   gint ret_val;
 164   gboolean ret_val_flag;
 165
 166   msg.hwnd = hwnd;
 167   msg.message = message;
 168   msg.wParam = wparam;
 169   msg.lParam = lparam;
 170   msg.time = GetTickCount ();
 171   pos = GetMessagePos ();
 172   msg.pt.x = LOWORD (pos);
 173   msg.pt.y = HIWORD (pos);
 174
 175   event.flags = GDK_EVENT_PENDING;
 176   if (gdk_event_translate (&event.event, &msg, &ret_val_flag, &ret_val, FALSE))
 177     {
 178       event.flags &= ~GDK_EVENT_PENDING;
 179 #if 1
 180       if (event.event.any.type == GDK_CONFIGURE)
 181         {
 182           /* Compress configure events */
 183           GList *list = gdk_queued_events;
 184
 185           while (list != NULL
 186                  && (((GdkEvent *)list->data)->any.type != GDK_CONFIGURE
 187                      || ((GdkEvent *)list->data)->any.window != event.event.any.window))
 188             list = list->next;
 189           if (list != NULL)
 190             {
 191               GDK_NOTE (EVENTS, g_print ("... compressing an CONFIGURE event\n"));
 192
 193               *((GdkEvent *)list->data) = event.event;
 194               gdk_drawable_unref (event.event.any.window);
 195               /* Wake up WaitMessage */
 196               PostMessage (NULL, gdk_ping_msg, 0, 0);
 197               return FALSE;
 198             }
 199         }
 200       else if (event.event.any.type == GDK_EXPOSE)
 201         {
 202           /* Compress expose events */
 203           GList *list = gdk_queued_events;
 204
 205           while (list != NULL
 206                  && (((GdkEvent *)list->data)->any.type != GDK_EXPOSE
 207                      || ((GdkEvent *)list->data)->any.window != event.event.any.window))
 208             list = list->next;
 209           if (list != NULL)
 210             {
 211               GdkRectangle u;
 212
 213               GDK_NOTE (EVENTS, g_print ("... compressing an EXPOSE event\n"));
 214               gdk_rectangle_union (&event.event.expose.area,
 215                                    &((GdkEvent *)list->data)->expose.area,
 216                                    &u);
 217               ((GdkEvent *)list->data)->expose.area = u;
 218               gdk_drawable_unref (event.event.any.window);
 219 #if 0
 220               /* Wake up WaitMessage */
 221               PostMessage (NULL, gdk_ping_msg, 0, 0);
 222 #endif
 223               return FALSE;
 224             }
 225         }
 226 #endif
 227       eventp = gdk_event_new ();
 228       *((GdkEventPrivate *) eventp) = event;
 229
 230       /* Philippe Colantoni <colanton@aris.ss.uci.edu> suggests this
 231        * in order to handle events while opaque resizing neatly.  I
 232        * don't want it as default. Set the
 233        * GDK_EVENT_FUNC_FROM_WINDOW_PROC env var to get this
 234        * behaviour.
 235        */
 236       if (gdk_event_func_from_window_proc && gdk_event_func)
 237         {
 238           GDK_THREADS_ENTER ();
 239
 240           (*gdk_event_func) (eventp, gdk_event_data);
 241           gdk_event_free (eventp);
 242
 243           GDK_THREADS_LEAVE ();
 244         }
 245       else
 246         {
 247           gdk_event_queue_append (eventp);
 248 #if 1
 249           /* Wake up WaitMessage */
 250           PostMessage (NULL, gdk_ping_msg, 0, 0);
 251 #endif
 252         }
 253
 254       if (ret_val_flag)
 255         return ret_val;
 256       else
 257         return FALSE;
 258     }
 259
 260   if (ret_val_flag)
 261     return ret_val;
 262   else
 263     {
 264       if (active_imm_app == NULL
 265           || (*active_imm_app->lpVtbl->OnDefWindowProc) (active_imm_app, hwnd, message, wparam, lparam, &lres) == S_FALSE)
 266         return DefWindowProc (hwnd, message, wparam, lparam);
 267       else
 268         return lres;
 269     }
 270 }
 271
 272 LRESULT CALLBACK
 273 gdk_window_procedure (HWND   hwnd,
 274                       UINT   message,
 275                       WPARAM wparam,
 276                       LPARAM lparam)
 277 {
 278   LRESULT retval;
 279
 280   GDK_NOTE (EVENTS, g_print ("gdk_window_procedure: %#lx %s\n",
 281                              (gulong) hwnd, gdk_win32_message_name (message)));
 282
 283   retval = real_window_procedure (hwnd, message, wparam, lparam);
 284
 285   GDK_NOTE (EVENTS, g_print ("gdk_window_procedure: %#lx returns %ld\n",
 286                              (gulong) hwnd, retval));
 287
 288   return retval;
 289 }
 290
 291 void
 292 gdk_events_init (void)
 293 {
 294   GSource *source;
 295   HRESULT hres;
 296 #ifdef USE_TRACKMOUSEEVENT
 297   HMODULE user32, imm32;
 298   HINSTANCE commctrl32;
 299 #endif
 300
 301   gdk_ping_msg = RegisterWindowMessage ("gdk-ping");
 302   GDK_NOTE (EVENTS, g_print ("gdk-ping = %#x\n", gdk_ping_msg));
 303
 304   /* This is the string MSH_MOUSEWHEEL from zmouse.h,
 305    * http://www.microsoft.com/mouse/intellimouse/sdk/zmouse.h
 306    * This message is used by mouse drivers than cannot generate WM_MOUSEWHEEL
 307    * or on Win95.
 308    */
 309   msh_mousewheel_msg = RegisterWindowMessage ("MSWHEEL_ROLLMSG");
 310   GDK_NOTE (EVENTS, g_print ("MSH_MOUSEWHEEL = %#x\n", msh_mousewheel_msg));
 311
 312   source = g_source_new (&event_funcs, sizeof (GSource));
 313   g_source_set_priority (source, GDK_PRIORITY_EVENTS);
 314
 315   event_poll_fd.fd = G_WIN32_MSG_HANDLE;
 316   event_poll_fd.events = G_IO_IN;
 317
 318   g_source_add_poll (source, &event_poll_fd);
 319   g_source_set_can_recurse (source, TRUE);
 320   g_source_attach (source, NULL);
 321
 322   hres = CoCreateInstance (&CLSID_CActiveIMM,
 323                            NULL,
 324                            CLSCTX_ALL,
 325                            &IID_IActiveIMMApp,
 326                            (LPVOID *) &active_imm_app);
 327
 328   if (hres == S_OK)
 329     {
 330       GDK_NOTE (EVENTS, g_print ("IActiveIMMApp created %p\n",
 331                                  active_imm_app));
 332       (*active_imm_app->lpVtbl->Activate) (active_imm_app, TRUE);
 333
 334       hres = (*active_imm_app->lpVtbl->QueryInterface) (active_imm_app, &IID_IActiveIMMMessagePumpOwner, &active_imm_msgpump_owner);
 335       GDK_NOTE (EVENTS, g_print ("IActiveIMMMessagePumpOwner created %p\n",
 336                                  active_imm_msgpump_owner));
 337       (active_imm_msgpump_owner->lpVtbl->Start) (active_imm_msgpump_owner);
 338     }
 339
 340 #ifdef USE_TRACKMOUSEEVENT
 341   user32 = GetModuleHandle ("user32.dll");
 342   if ((track_mouse_event = GetProcAddress (user32, "TrackMouseEvent")) == NULL)
 343     {
 344       if ((commctrl32 = LoadLibrary ("commctrl32.dll")) != NULL)
 345         track_mouse_event = (PFN_TrackMouseEvent)
 346           GetProcAddress (commctrl32, "_TrackMouseEvent");
 347     }
 348   if (track_mouse_event != NULL)
 349     GDK_NOTE (EVENTS, g_print ("Using TrackMouseEvent to detect leave events\n"));
 350 #endif
 351   if (IS_WIN_NT () && (windows_version & 0xFF) == 5)
 352     {
 353       /* On Win2k (Beta 3, at least) WM_IME_CHAR doesn't seem to work
 354        * correctly for non-Unicode applications. Handle
 355        * WM_IME_COMPOSITION with GCS_RESULTSTR instead, fetch the
 356        * Unicode char from the IME with ImmGetCompositionStringW().
 357        */
 358       use_ime_composition = TRUE;
 359     }
 360 }
 361
 362 /*
 363  *--------------------------------------------------------------
 364  * gdk_events_pending
 365  *
 366  *   Returns if events are pending on the queue.
 367  *
 368  * Arguments:
 369  *
 370  * Results:
 371  *   Returns TRUE if events are pending
 372  *
 373  * Side effects:
 374  *
 375  *--------------------------------------------------------------
 376  */
 377
 378 gboolean
 379 gdk_events_pending (void)
 380 {
 381   MSG msg;
 382
 383   return (gdk_event_queue_find_first() ||
 384           PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE));
 385 }
 386
 387 /*
 388  *--------------------------------------------------------------
 389  * gdk_event_get_graphics_expose
 390  *
 391  *   Waits for a GraphicsExpose or NoExpose event
 392  *
 393  * Arguments:
 394  *
 395  * Results:
 396  *   For GraphicsExpose events, returns a pointer to the event
 397  *   converted into a GdkEvent Otherwise, returns NULL.
 398  *
 399  * Side effects:
 400  *
 401  *-------------------------------------------------------------- */
 402
 403 GdkEvent*
 404 gdk_event_get_graphics_expose (GdkWindow *window)
 405 {
 406   MSG msg;
 407   GdkEvent *event;
 408
 409   g_return_val_if_fail (window != NULL, NULL);
 410
 411   GDK_NOTE (EVENTS, g_print ("gdk_event_get_graphics_expose\n"));
 412
 413 #if 0 /* ??? */
 414   /* Some nasty bugs here, just return NULL for now. */
 415   return NULL;
 416 #else
 417   if (PeekMessage (&msg, GDK_WINDOW_HWND (window), WM_PAINT, WM_PAINT, PM_REMOVE))
 418     {
 419       event = gdk_event_new ();
 420
 421       if (gdk_event_translate (event, &msg, NULL, NULL, TRUE))
 422         return event;
 423       else
 424         gdk_event_free (event);
 425     }
 426
 427   return NULL;
 428 #endif
 429 }
 430
 431 static char *
 432 event_mask_string (GdkEventMask mask)
 433 {
 434   static char bfr[500];
 435   char *p = bfr;
 436
 437   *p = '\0';
 438 #define BIT(x) \
 439   if (mask & GDK_##x##_MASK) \
 440     p += sprintf (p, "%s" #x, (p > bfr ? " " : ""))
 441   BIT(EXPOSURE);
 442   BIT(POINTER_MOTION);
 443   BIT(POINTER_MOTION_HINT);
 444   BIT(BUTTON_MOTION);
 445   BIT(BUTTON1_MOTION);
 446   BIT(BUTTON2_MOTION);
 447   BIT(BUTTON3_MOTION);
 448   BIT(BUTTON_PRESS);
 449   BIT(BUTTON_RELEASE);
 450   BIT(KEY_PRESS);
 451   BIT(KEY_RELEASE);
 452   BIT(ENTER_NOTIFY);
 453   BIT(LEAVE_NOTIFY);
 454   BIT(FOCUS_CHANGE);
 455   BIT(STRUCTURE);
 456   BIT(PROPERTY_CHANGE);
 457   BIT(VISIBILITY_NOTIFY);
 458   BIT(PROXIMITY_IN);
 459   BIT(PROXIMITY_OUT);
 460   BIT(SUBSTRUCTURE);
 461   BIT(SCROLL);
 462 #undef BIT
 463
 464   return bfr;
 465 }
 466
 467 /*
 468  *--------------------------------------------------------------
 469  * gdk_pointer_grab
 470  *
 471  *   Grabs the pointer to a specific window
 472  *
 473  * Arguments:
 474  *   "window" is the window which will receive the grab
 475  *   "owner_events" specifies whether events will be reported as is,
 476  *     or relative to "window"
 477  *   "event_mask" masks only interesting events
 478  *   "confine_to" limits the cursor movement to the specified window
 479  *   "cursor" changes the cursor for the duration of the grab
 480  *   "time" specifies the time
 481  *
 482  * Results:
 483  *
 484  * Side effects:
 485  *   requires a corresponding call to gdk_pointer_ungrab
 486  *
 487  *--------------------------------------------------------------
 488  */
 489
 490 GdkGrabStatus
 491 gdk_pointer_grab (GdkWindow    *window,
 492                   gboolean      owner_events,
 493                   GdkEventMask  event_mask,
 494                   GdkWindow    *confine_to,
 495                   GdkCursor    *cursor,
 496                   guint32       time)
 497 {
 498   HWND hwnd_confined_to;
 499   HCURSOR hcursor;
 500   GdkCursorPrivate *cursor_private;
 501   gint return_val;
 502
 503   g_return_val_if_fail (window != NULL, 0);
 504   g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
 505   g_return_val_if_fail (confine_to == NULL || GDK_IS_WINDOW (confine_to), 0);
 506
 507   cursor_private = (GdkCursorPrivate*) cursor;
 508
 509   if (!confine_to || GDK_WINDOW_DESTROYED (confine_to))
 510     hwnd_confined_to = NULL;
 511   else
 512     hwnd_confined_to = GDK_WINDOW_HWND (confine_to);
 513
 514   if (!cursor)
 515     hcursor = NULL;
 516   else
 517     hcursor = cursor_private->hcursor;
 518
 519   return_val = _gdk_input_grab_pointer (window,
 520                                         owner_events,
 521                                         event_mask,
 522                                         confine_to,
 523                                         time);
 524
 525   if (return_val == GDK_GRAB_SUCCESS)
 526     {
 527       if (!GDK_WINDOW_DESTROYED (window))
 528         {
 529           GDK_NOTE (EVENTS, g_print ("gdk_pointer_grab: %#lx %s %#lx %s\n",
 530                                      (gulong) GDK_WINDOW_HWND (window),
 531                                      (owner_events ? "TRUE" : "FALSE"),
 532                                      (gulong) hcursor,
 533                                      event_mask_string (event_mask)));
 534           p_grab_mask = event_mask;
 535           p_grab_owner_events = (owner_events != 0);
 536           p_grab_automatic = FALSE;
 537
 538 #if USE_SETCAPTURE
 539           SetCapture (GDK_WINDOW_HWND (window));
 540 #endif
 541           return_val = GDK_GRAB_SUCCESS;
 542         }
 543       else
 544         return_val = GDK_GRAB_ALREADY_GRABBED;
 545     }
 546
 547   if (return_val == GDK_GRAB_SUCCESS)
 548     {
 549       p_grab_window = window;
 550       p_grab_cursor = hcursor;
 551     }
 552
 553   return return_val;
 554 }
 555
 556 /*
 557  *--------------------------------------------------------------
 558  * gdk_pointer_ungrab
 559  *
 560  *   Releases any pointer grab
 561  *
 562  * Arguments:
 563  *
 564  * Results:
 565  *
 566  * Side effects:
 567  *
 568  *--------------------------------------------------------------
 569  */
 570
 571 void
 572 gdk_pointer_ungrab (guint32 time)
 573 {
 574   GDK_NOTE (EVENTS, g_print ("gdk_pointer_ungrab\n"));
 575
 576   _gdk_input_ungrab_pointer (time);
 577
 578 #if USE_SETCAPTURE
 579   if (GetCapture () != NULL)
 580     ReleaseCapture ();
 581 #endif
 582
 583   p_grab_window = NULL;
 584 }
 585
 586 /*
 587  *--------------------------------------------------------------
 588  * find_window_for_pointer_event
 589  *
 590  *   Find the window a pointer event (mouse up, down, move) should
 591  *   be reported to.  If the return value != reported_window then
 592  *   the ref count of reported_window will be decremented and the
 593  *   ref count of the return value will be incremented.
 594  *
 595  * Arguments:
 596  *
 597  *  "reported_window" is the gdk window the xevent was reported relative to
 598  *  "xevent" is the win32 message
 599  *
 600  * Results:
 601  *
 602  * Side effects:
 603  *
 604  *--------------------------------------------------------------
 605  */
 606
 607 static GdkWindow*
 608 find_window_for_pointer_event (GdkWindow*  reported_window,
 609                                MSG*        msg)
 610 {
 611   HWND hwnd;
 612   POINTS points;
 613   POINT pt;
 614   GdkWindow* other_window;
 615
 616   if (p_grab_window == NULL || !p_grab_owner_events)
 617     return reported_window;
 618
 619   points = MAKEPOINTS (msg->lParam);
 620   pt.x = points.x;
 621   pt.y = points.y;
 622   ClientToScreen (msg->hwnd, &pt);
 623
 624   GDK_NOTE (EVENTS, g_print ("Finding window for grabbed pointer event at (%ld, %ld)\n",
 625                              pt.x, pt.y));
 626
 627   hwnd = WindowFromPoint (pt);
 628   if (hwnd == NULL)
 629     return reported_window;
 630   other_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) hwnd);
 631   if (other_window == NULL)
 632     return reported_window;
 633
 634   GDK_NOTE (EVENTS, g_print ("Found window %#x for point (%ld, %ld)\n",
 635                              (guint) hwnd, pt.x, pt.y));
 636
 637   gdk_window_unref (reported_window);
 638   gdk_window_ref (other_window);
 639
 640   return other_window;
 641 }
 642
 643 /*
 644  *--------------------------------------------------------------
 645  * gdk_pointer_is_grabbed
 646  *
 647  *   Tell wether there is an active x pointer grab in effect
 648  *
 649  * Arguments:
 650  *
 651  * Results:
 652  *
 653  * Side effects:
 654  *
 655  *--------------------------------------------------------------
 656  */
 657
 658 gboolean
 659 gdk_pointer_is_grabbed (void)
 660 {
 661   return p_grab_window != NULL;
 662 }
 663
 664 /*
 665  *--------------------------------------------------------------
 666  * gdk_keyboard_grab
 667  *
 668  *   Grabs the keyboard to a specific window
 669  *
 670  * Arguments:
 671  *   "window" is the window which will receive the grab
 672  *   "owner_events" specifies whether events will be reported as is,
 673  *     or relative to "window"
 674  *   "time" specifies the time
 675  *
 676  * Results:
 677  *
 678  * Side effects:
 679  *   requires a corresponding call to gdk_keyboard_ungrab
 680  *
 681  *--------------------------------------------------------------
 682  */
 683
 684 GdkGrabStatus
 685 gdk_keyboard_grab (GdkWindow *window,
 686                    gboolean   owner_events,
 687                    guint32    time)
 688 {
 689   gint return_val;
 690
 691   g_return_val_if_fail (window != NULL, 0);
 692   g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
 693
 694   GDK_NOTE (EVENTS, g_print ("gdk_keyboard_grab %#lx\n",
 695                              (gulong) GDK_WINDOW_HWND (window)));
 696
 697   if (!GDK_WINDOW_DESTROYED (window))
 698     {
 699       k_grab_owner_events = owner_events != 0;
 700       return_val = GDK_GRAB_SUCCESS;
 701     }
 702   else
 703     return_val = GDK_GRAB_ALREADY_GRABBED;
 704
 705   if (return_val == GDK_GRAB_SUCCESS)
 706     k_grab_window = window;
 707
 708   return return_val;
 709 }
 710
 711 /*
 712  *--------------------------------------------------------------
 713  * gdk_keyboard_ungrab
 714  *
 715  *   Releases any keyboard grab
 716  *
 717  * Arguments:
 718  *
 719  * Results:
 720  *
 721  * Side effects:
 722  *
 723  *--------------------------------------------------------------
 724  */
 725
 726 void
 727 gdk_keyboard_ungrab (guint32 time)
 728 {
 729   GDK_NOTE (EVENTS, g_print ("gdk_keyboard_ungrab\n"));
 730
 731   k_grab_window = NULL;
 732 }
 733
 734 static GdkFilterReturn
 735 gdk_event_apply_filters (MSG      *msg,
 736                          GdkEvent *event,
 737                          GList    *filters)
 738 {
 739   GdkEventFilter *filter;
 740   GList *tmp_list;
 741   GdkFilterReturn result;
 742
 743   tmp_list = filters;
 744
 745   while (tmp_list)
 746     {
 747       filter = (GdkEventFilter *) tmp_list->data;
 748
 749       result = (*filter->function) (msg, event, filter->data);
 750       if (result !=  GDK_FILTER_CONTINUE)
 751         return result;
 752
 753       tmp_list = tmp_list->next;
 754     }
 755
 756   return GDK_FILTER_CONTINUE;
 757 }
 758
 759 void
 760 gdk_add_client_message_filter (GdkAtom       message_type,
 761                                GdkFilterFunc func,
 762                                gpointer      data)
 763 {
 764   GdkClientFilter *filter = g_new (GdkClientFilter, 1);
 765
 766   filter->type = message_type;
 767   filter->function = func;
 768   filter->data = data;
 769
 770   client_filters = g_list_prepend (client_filters, filter);
 771 }
 772
 773 /* Thanks to Markus G. Kuhn <mkuhn@acm.org> for the ksysym<->Unicode
 774  * mapping functions, from the xterm sources.
 775  */
 776
 777 static void
 778 build_key_event_state (GdkEvent *event)
 779 {
 780   if (GetKeyState (VK_SHIFT) < 0)
 781     event->key.state |= GDK_SHIFT_MASK;
 782   if (GetKeyState (VK_CAPITAL) & 0x1)
 783     event->key.state |= GDK_LOCK_MASK;
 784   if (!is_altgr_key)
 785     {
 786       if (GetKeyState (VK_CONTROL) < 0)
 787         {
 788           event->key.state |= GDK_CONTROL_MASK;
 789 #if 0
 790           if (event->key.keyval < ' ')
 791             event->key.keyval += '@';
 792 #endif
 793         }
 794 #if 0
 795       else if (event->key.keyval < ' ')
 796         {
 797           event->key.state |= GDK_CONTROL_MASK;
 798           event->key.keyval += '@';
 799         }
 800 #endif
 801       if (GetKeyState (VK_MENU) < 0)
 802         event->key.state |= GDK_MOD1_MASK;
 803     }
 804 }
 805
 806 static gint
 807 build_pointer_event_state (MSG *msg)
 808 {
 809   gint state;
 810
 811   state = 0;
 812   if (msg->wParam & MK_CONTROL)
 813     state |= GDK_CONTROL_MASK;
 814   if (msg->wParam & MK_LBUTTON)
 815     state |= GDK_BUTTON1_MASK;
 816   if (msg->wParam & MK_MBUTTON)
 817     state |= GDK_BUTTON2_MASK;
 818   if (msg->wParam & MK_RBUTTON)
 819     state |= GDK_BUTTON3_MASK;
 820   if (msg->wParam & MK_SHIFT)
 821     state |= GDK_SHIFT_MASK;
 822   if (GetKeyState (VK_MENU) < 0)
 823     state |= GDK_MOD1_MASK;
 824   if (GetKeyState (VK_CAPITAL) & 0x1)
 825     state |= GDK_LOCK_MASK;
 826
 827   return state;
 828 }
 829
 830 static void
 831 build_keypress_event (GdkWindowImplWin32 *impl,
 832                       GdkEvent           *event,
 833                       MSG                *msg)
 834 {
 835   HIMC himc;
 836   gint i, bytecount, ucount, ucleft, len;
 837   guchar buf[100], *bp;
 838   wchar_t wbuf[100], *wcp;
 839
 840   event->key.type = GDK_KEY_PRESS;
 841   event->key.time = msg->time;
 842   event->key.state = 0;
 843
 844   if (msg->message == WM_IME_COMPOSITION)
 845     {
 846       himc = ImmGetContext (msg->hwnd);
 847
 848       bytecount = ImmGetCompositionStringW (himc, GCS_RESULTSTR,
 849                                             wbuf, sizeof (wbuf));
 850       ucount = bytecount / 2;
 851     }
 852   else
 853     {
 854       if (msg->message == WM_CHAR || msg->message == WM_SYSCHAR)
 855         {
 856           bytecount = MIN ((msg->lParam & 0xFFFF), sizeof (buf));
 857           for (i = 0; i < bytecount; i++)
 858             buf[i] = msg->wParam;
 859         }
 860       else /* WM_IME_CHAR */
 861         {
 862           event->key.keyval = GDK_VoidSymbol;
 863           if (msg->wParam & 0xFF00)
 864             {
 865               /* Contrary to some versions of the documentation,
 866                * the lead byte is the most significant byte.
 867                */
 868               buf[0] = ((msg->wParam >> 8) & 0xFF);
 869               buf[1] = (msg->wParam & 0xFF);
 870               bytecount = 2;
 871             }
 872           else
 873             {
 874               buf[0] = (msg->wParam & 0xFF);
 875               bytecount = 1;
 876             }
 877         }
 878
 879       /* Convert from the window's current code page
 880        * to Unicode. Then convert to UTF-8.
 881        * We don't handle the surrogate stuff. Should we?
 882        */
 883       ucount = MultiByteToWideChar (impl->charset_info.ciACP,
 884                                     0, buf, bytecount,
 885                                     wbuf, sizeof (wbuf) / sizeof (wbuf[0]));
 886
 887     }
 888   if (ucount == 0)
 889     event->key.keyval = GDK_VoidSymbol;
 890   else if (msg->message == WM_CHAR || msg->message == WM_SYSCHAR)
 891     {
 892       if (msg->wParam < ' ')
 893         {
 894           event->key.keyval = msg->wParam + '@';
 895           /* This is needed in case of Alt+nnn or Alt+0nnn (on the numpad)
 896            * where nnn<32
 897            */
 898           event->key.state |= GDK_CONTROL_MASK;
 899         }
 900       else
 901         event->key.keyval = gdk_unicode_to_keyval (wbuf[0]);
 902     }
 903
 904   build_key_event_state (event);
 905
 906   /* Build UTF-8 string */
 907   ucleft = ucount;
 908   len = 0;
 909   wcp = wbuf;
 910   while (ucleft-- > 0)
 911     {
 912       wchar_t c = *wcp++;
 913
 914       if (c < 0x80)
 915         len += 1;
 916       else if (c < 0x800)
 917         len += 2;
 918       else
 919         len += 3;
 920     }
 921
 922   event->key.string = g_malloc (len + 1);
 923   event->key.length = len;
 924
 925   ucleft = ucount;
 926   wcp = wbuf;
 927   bp = event->key.string;
 928   while (ucleft-- > 0)
 929     {
 930       int first;
 931       wchar_t c = *wcp++;
 932
 933       if (c < 0x80)
 934         {
 935           first = 0;
 936           len = 1;
 937         }
 938       else if (c < 0x800)
 939         {
 940           first = 0xc0;
 941           len = 2;
 942         }
 943       else
 944         {
 945           first = 0xe0;
 946           len = 3;
 947         }
 948
 949 #if 1
 950       /* Woo-hoo! */
 951       switch (len)
 952         {
 953         case 3: bp[2] = (c & 0x3f) | 0x80; c >>= 6; /* Fall through */
 954         case 2: bp[1] = (c & 0x3f) | 0x80; c >>= 6; /* Fall through */
 955         case 1: bp[0] = c | first;
 956         }
 957 #else
 958       for (i = len - 1; i > 0; --i)
 959         {
 960           bp[i] = (c & 0x3f) | 0x80;
 961           c >>= 6;
 962         }
 963       bp[0] = c | first;
 964 #endif
 965
 966       bp += len;
 967     }
 968   *bp = 0;
 969 }
 970
 971 static void
 972 build_keyrelease_event (GdkWindowImplWin32 *impl,
 973                         GdkEvent           *event,
 974                         MSG                *msg)
 975 {
 976   guchar buf;
 977   wchar_t wbuf;
 978
 979   event->key.type = GDK_KEY_RELEASE;
 980   event->key.time = msg->time;
 981   event->key.state = 0;
 982
 983   if (msg->message == WM_CHAR || msg->message == WM_SYSCHAR)
 984     if (msg->wParam < ' ')
 985       event->key.keyval = msg->wParam + '@';
 986     else
 987       {
 988         buf = msg->wParam;
 989         MultiByteToWideChar (impl->charset_info.ciACP,
 990                              0, &buf, 1, &wbuf, 1);
 991
 992         event->key.keyval = gdk_unicode_to_keyval (wbuf);
 993       }
 994   else
 995     event->key.keyval = GDK_VoidSymbol;
 996   build_key_event_state (event);
 997   event->key.string = NULL;
 998   event->key.length = 0;
 999 }
1000
1001 static void
1002 print_event_state (gint state)
1003 {
1004 #define CASE(bit) if (state & GDK_ ## bit ## _MASK) g_print (#bit " ");
1005   CASE (SHIFT);
1006   CASE (LOCK);
1007   CASE (CONTROL);
1008   CASE (MOD1);
1009   CASE (BUTTON1);
1010   CASE (BUTTON2);
1011   CASE (BUTTON3);
1012 #undef CASE
1013 }
1014
1015 static void
1016 print_window_state (GdkWindowState state)
1017 {
1018 #define CASE(bit) if (state & GDK_WINDOW_STATE_ ## bit ) g_print (#bit " ");
1019   CASE (WITHDRAWN);
1020   CASE (ICONIFIED);
1021   CASE (MAXIMIZED);
1022   CASE (STICKY);
1023 #undef CASE
1024 }
1025
1026 static void
1027 print_event (GdkEvent *event)
1028 {
1029   gchar *escaped, *kvname;
1030
1031   switch (event->any.type)
1032     {
1033 #define CASE(x) case x: g_print ( #x " "); break;
1034     CASE (GDK_NOTHING);
1035     CASE (GDK_DELETE);
1036     CASE (GDK_DESTROY);
1037     CASE (GDK_EXPOSE);
1038     CASE (GDK_MOTION_NOTIFY);
1039     CASE (GDK_BUTTON_PRESS);
1040     CASE (GDK_2BUTTON_PRESS);
1041     CASE (GDK_3BUTTON_PRESS);
1042     CASE (GDK_BUTTON_RELEASE);
1043     CASE (GDK_KEY_PRESS);
1044     CASE (GDK_KEY_RELEASE);
1045     CASE (GDK_ENTER_NOTIFY);
1046     CASE (GDK_LEAVE_NOTIFY);
1047     CASE (GDK_FOCUS_CHANGE);
1048     CASE (GDK_CONFIGURE);
1049     CASE (GDK_MAP);
1050     CASE (GDK_UNMAP);
1051     CASE (GDK_PROPERTY_NOTIFY);
1052     CASE (GDK_SELECTION_CLEAR);
1053     CASE (GDK_SELECTION_REQUEST);
1054     CASE (GDK_SELECTION_NOTIFY);
1055     CASE (GDK_PROXIMITY_IN);
1056     CASE (GDK_PROXIMITY_OUT);
1057     CASE (GDK_DRAG_ENTER);
1058     CASE (GDK_DRAG_LEAVE);
1059     CASE (GDK_DRAG_MOTION);
1060     CASE (GDK_DRAG_STATUS);
1061     CASE (GDK_DROP_START);
1062     CASE (GDK_DROP_FINISHED);
1063     CASE (GDK_CLIENT_EVENT);
1064     CASE (GDK_VISIBILITY_NOTIFY);
1065     CASE (GDK_NO_EXPOSE);
1066     CASE (GDK_SCROLL);
1067     CASE (GDK_WINDOW_STATE);
1068 #undef CASE
1069     }
1070   g_print ("%#lx ", (gulong) GDK_WINDOW_HWND (event->any.window));
1071
1072   switch (event->any.type)
1073     {
1074     case GDK_EXPOSE:
1075       g_print ("%dx%d@+%d+%d %d",
1076                event->expose.area.width,
1077                event->expose.area.height,
1078                event->expose.area.x,
1079                event->expose.area.y,
1080                event->expose.count);
1081       break;
1082     case GDK_MOTION_NOTIFY:
1083       g_print ("(%.4g,%.4g) %s",
1084                event->motion.x, event->motion.y,
1085                event->motion.is_hint ? "HINT " : "");
1086       print_event_state (event->motion.state);
1087       break;
1088     case GDK_BUTTON_PRESS:
1089     case GDK_2BUTTON_PRESS:
1090     case GDK_3BUTTON_PRESS:
1091     case GDK_BUTTON_RELEASE:
1092       g_print ("%d (%.4g,%.4g) ",
1093                event->button.button,
1094                event->button.x, event->button.y);
1095       print_event_state (event->button.state);
1096       break;
1097     case GDK_KEY_PRESS:
1098     case GDK_KEY_RELEASE:
1099       if (event->key.length == 0)
1100         escaped = g_strdup ("");
1101       else
1102         escaped = g_strescape (event->key.string, NULL);
1103       kvname = gdk_keyval_name (event->key.keyval);
1104       g_print ("%s %d:\"%s\" ",
1105                (kvname ? kvname : "??"),
1106                event->key.length,
1107                escaped);
1108       g_free (escaped);
1109       print_event_state (event->key.state);
1110       break;
1111     case GDK_ENTER_NOTIFY:
1112     case GDK_LEAVE_NOTIFY:
1113       g_print ("%s ",
1114                (event->crossing.detail == GDK_NOTIFY_INFERIOR ? "INFERIOR" :
1115                 (event->crossing.detail == GDK_NOTIFY_ANCESTOR ? "ANCESTOR" :
1116                  (event->crossing.detail == GDK_NOTIFY_NONLINEAR ? "NONLINEAR" :
1117                   "???"))));
1118       break;
1119     case GDK_SCROLL:
1120       g_print ("%s ",
1121                (event->scroll.direction == GDK_SCROLL_UP ? "UP" :
1122                 (event->scroll.direction == GDK_SCROLL_DOWN ? "DOWN" :
1123                  (event->scroll.direction == GDK_SCROLL_LEFT ? "LEFT" :
1124                   (event->scroll.direction == GDK_SCROLL_RIGHT ? "RIGHT" :
1125                    "???")))));
1126       print_event_state (event->scroll.state);
1127       break;
1128     case GDK_WINDOW_STATE:
1129       print_window_state (event->window_state.changed_mask);
1130       print_window_state (event->window_state.new_window_state);
1131     default:
1132       /* Nothing */
1133       break;
1134     }
1135   g_print ("\n");
1136 }
1137
1138 static gboolean
1139 gdk_window_is_child (GdkWindow *parent,
1140                      GdkWindow *window)
1141 {
1142   if (parent == NULL || window == NULL)
1143     return FALSE;
1144
1145   return (gdk_window_get_parent (window) == parent ||
1146           gdk_window_is_child (parent, gdk_window_get_parent (window)));
1147 }
1148
1149 static void
1150 synthesize_enter_or_leave_event (GdkWindow    *window,
1151                                  MSG          *msg,
1152                                  GdkEventType  type,
1153                                  GdkNotifyType detail,
1154                                  gint          x,
1155                                  gint          y)
1156 {
1157   GdkEvent *event;
1158
1159   event = gdk_event_new ();
1160   event->crossing.type = type;
1161   event->crossing.window = window;
1162   event->crossing.send_event = FALSE;
1163   gdk_window_ref (event->crossing.window);
1164   event->crossing.subwindow = NULL;
1165   event->crossing.time = msg->time;
1166   event->crossing.x = x;
1167   event->crossing.y = y;
1168   event->crossing.x_root = msg->pt.x;
1169   event->crossing.y_root = msg->pt.y;
1170   event->crossing.mode = GDK_CROSSING_NORMAL;
1171   event->crossing.detail = detail;
1172   event->crossing.focus = TRUE; /* ??? */
1173   event->crossing.state = 0; /* ??? */
1174
1175   gdk_event_queue_append (event);
1176
1177   if (type == GDK_ENTER_NOTIFY
1178       && GDK_WINDOW_OBJECT (window)->extension_events != 0)
1179     _gdk_input_enter_event (&event->crossing, window);
1180
1181   GDK_NOTE (EVENTS, print_event (event));
1182 }
1183
1184 static void
1185 synthesize_leave_event (GdkWindow    *window,
1186                         MSG          *msg,
1187                         GdkNotifyType detail)
1188 {
1189   POINT pt;
1190
1191   if (!(GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl)->event_mask & GDK_LEAVE_NOTIFY_MASK))
1192     return;
1193
1194   /* Leave events are at (current_x,current_y) in current_window */
1195
1196   if (current_window != window)
1197     {
1198       pt.x = current_x;
1199       pt.y = current_y;
1200       ClientToScreen (GDK_WINDOW_HWND (current_window), &pt);
1201       ScreenToClient (GDK_WINDOW_HWND (window), &pt);
1202       synthesize_enter_or_leave_event (window, msg, GDK_LEAVE_NOTIFY, detail, pt.x, pt.y);
1203     }
1204   else
1205     synthesize_enter_or_leave_event (window, msg, GDK_LEAVE_NOTIFY, detail, current_x, current_y);
1206
1207 }
1208
1209 static void
1210 synthesize_enter_event (GdkWindow    *window,
1211                         MSG          *msg,
1212                         GdkNotifyType detail)
1213 {
1214   POINT pt;
1215
1216   if (!(GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl)->event_mask & GDK_ENTER_NOTIFY_MASK))
1217     return;
1218
1219   /* Enter events are at LOWORD (msg->lParam), HIWORD
1220    * (msg->lParam) in msg->hwnd */
1221
1222   pt.x = LOWORD (msg->lParam);
1223   pt.y = HIWORD (msg->lParam);
1224   if (msg->hwnd != GDK_WINDOW_HWND (window))
1225     {
1226       ClientToScreen (msg->hwnd, &pt);
1227       ScreenToClient (GDK_WINDOW_HWND (window), &pt);
1228     }
1229   synthesize_enter_or_leave_event (window, msg, GDK_ENTER_NOTIFY, detail, pt.x, pt.y);
1230 }
1231
1232 static void
1233 synthesize_enter_events (GdkWindow    *from,
1234                          GdkWindow    *to,
1235                          MSG          *msg,
1236                          GdkNotifyType detail)
1237 {
1238   GdkWindow *prev = gdk_window_get_parent (to);
1239
1240   if (prev != from)
1241     synthesize_enter_events (from, prev, msg, detail);
1242   synthesize_enter_event (to, msg, detail);
1243 }
1244
1245 static void
1246 synthesize_leave_events (GdkWindow    *from,
1247                          GdkWindow    *to,
1248                          MSG          *msg,
1249                          GdkNotifyType detail)
1250 {
1251   GdkWindow *next = gdk_window_get_parent (from);
1252
1253   synthesize_leave_event (from, msg, detail);
1254   if (next != to)
1255     synthesize_leave_events (next, to, msg, detail);
1256 }
1257
1258 static void
1259 synthesize_crossing_events (GdkWindow *window,
1260                             MSG       *msg)
1261 {
1262   GdkWindow *intermediate, *tem, *common_ancestor;
1263
1264   if (gdk_window_is_child (current_window, window))
1265     {
1266       /* Pointer has moved to an inferior window. */
1267       synthesize_leave_event (current_window, msg, GDK_NOTIFY_INFERIOR);
1268
1269       /* If there are intermediate windows, generate ENTER_NOTIFY
1270        * events for them
1271        */
1272       intermediate = gdk_window_get_parent (window);
1273       if (intermediate != current_window)
1274         {
1275           synthesize_enter_events (current_window, intermediate, msg, GDK_NOTIFY_VIRTUAL);
1276         }
1277
1278       synthesize_enter_event (window, msg, GDK_NOTIFY_ANCESTOR);
1279     }
1280   else if (gdk_window_is_child (window, current_window))
1281     {
1282       /* Pointer has moved to an ancestor window. */
1283       synthesize_leave_event (current_window, msg, GDK_NOTIFY_ANCESTOR);
1284
1285       /* If there are intermediate windows, generate LEAVE_NOTIFY
1286        * events for them
1287        */
1288       intermediate = gdk_window_get_parent (current_window);
1289       if (intermediate != window)
1290         {
1291           synthesize_leave_events (intermediate, window, msg, GDK_NOTIFY_VIRTUAL);
1292         }
1293     }
1294   else if (current_window)
1295     {
1296       /* Find least common ancestor of current_window and window */
1297       tem = current_window;
1298       do {
1299         common_ancestor = gdk_window_get_parent (tem);
1300         tem = common_ancestor;
1301       } while (common_ancestor &&
1302                !gdk_window_is_child (common_ancestor, window));
1303       if (common_ancestor)
1304         {
1305           synthesize_leave_event (current_window, msg, GDK_NOTIFY_NONLINEAR);
1306           intermediate = gdk_window_get_parent (current_window);
1307           if (intermediate != common_ancestor)
1308             {
1309               synthesize_leave_events (intermediate, common_ancestor,
1310                                        msg, GDK_NOTIFY_NONLINEAR_VIRTUAL);
1311             }
1312           intermediate = gdk_window_get_parent (window);
1313           if (intermediate != common_ancestor)
1314             {
1315               synthesize_enter_events (common_ancestor, intermediate,
1316                                        msg, GDK_NOTIFY_NONLINEAR_VIRTUAL);
1317             }
1318           synthesize_enter_event (window, msg, GDK_NOTIFY_NONLINEAR);
1319         }
1320     }
1321   else
1322     {
1323       /* Dunno where we are coming from */
1324       synthesize_enter_event (window, msg, GDK_NOTIFY_UNKNOWN);
1325     }
1326
1327   if (current_window)
1328     gdk_window_unref (current_window);
1329   current_window = window;
1330   gdk_window_ref (current_window);
1331 }
1332
1333 static void
1334 translate_mouse_coords (GdkWindow *window1,
1335                         GdkWindow *window2,
1336                         MSG       *msg)
1337 {
1338   POINT pt;
1339
1340   pt.x = LOWORD (msg->lParam);
1341   pt.y = HIWORD (msg->lParam);
1342   ClientToScreen (GDK_WINDOW_HWND (window1), &pt);
1343   ScreenToClient (GDK_WINDOW_HWND (window2), &pt);
1344   msg->lParam = MAKELPARAM (pt.x, pt.y);
1345   GDK_NOTE (EVENTS, g_print ("...new coords are (%ld,%ld)\n", pt.x, pt.y));
1346 }
1347
1348 static gboolean
1349 propagate (GdkWindow  **window,
1350            MSG         *msg,
1351            GdkWindow   *grab_window,
1352            gboolean     grab_owner_events,
1353            gint         grab_mask,
1354            gboolean   (*doesnt_want_it) (gint mask,
1355                                          MSG *msg))
1356 {
1357   if (grab_window != NULL && !grab_owner_events)
1358     {
1359       /* Event source is grabbed with owner_events FALSE */
1360       GDK_NOTE (EVENTS, g_print ("...grabbed, owner_events FALSE, "));
1361       if ((*doesnt_want_it) (grab_mask, msg))
1362         {
1363           GDK_NOTE (EVENTS, g_print ("...grabber doesn't want it\n"));
1364           return FALSE;
1365         }
1366       else
1367         {
1368           GDK_NOTE (EVENTS, g_print ("...sending to grabber %#lx\n",
1369                                      (gulong) GDK_WINDOW_HWND (grab_window)));
1370           gdk_drawable_unref (*window);
1371           *window = grab_window;
1372           gdk_drawable_ref (*window);
1373           return TRUE;
1374         }
1375     }
1376   while (TRUE)
1377     {
1378      if ((*doesnt_want_it) (GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (*window)->impl)->event_mask, msg))
1379         {
1380           /* Owner doesn't want it, propagate to parent. */
1381           if (GDK_WINDOW (GDK_WINDOW_OBJECT (*window)->parent) == gdk_parent_root)
1382             {
1383               /* No parent; check if grabbed */
1384               if (grab_window != NULL)
1385                 {
1386                   /* Event source is grabbed with owner_events TRUE */
1387                   GDK_NOTE (EVENTS, g_print ("...undelivered, but grabbed\n"));
1388                   if ((*doesnt_want_it) (grab_mask, msg))
1389                     {
1390                       /* Grabber doesn't want it either */
1391                       GDK_NOTE (EVENTS, g_print ("...grabber doesn't want it\n"));
1392                       return FALSE;
1393                     }
1394                   else
1395                     {
1396                       /* Grabbed! */
1397                       GDK_NOTE (EVENTS,
1398                                 g_print ("...sending to grabber %#lx\n",
1399                                          (gulong) GDK_WINDOW_HWND (grab_window)));
1400                       gdk_drawable_unref (*window);
1401                       *window = grab_window;
1402                       gdk_drawable_ref (*window);
1403                       return TRUE;
1404                     }
1405                 }
1406               else
1407                 {
1408                   GDK_NOTE (EVENTS, g_print ("...undelivered\n"));
1409                   return FALSE;
1410                 }
1411             }
1412           else
1413             {
1414               gdk_drawable_unref (*window);
1415               *window = GDK_WINDOW (GDK_WINDOW_OBJECT (*window)->parent);
1416               gdk_drawable_ref (*window);
1417               GDK_NOTE (EVENTS, g_print ("...propagating to %#lx\n",
1418                                          (gulong) GDK_WINDOW_HWND (*window)));
1419               /* The only branch where we actually continue the loop */
1420             }
1421         }
1422       else
1423         return TRUE;
1424     }
1425 }
1426
1427 static gboolean
1428 doesnt_want_key (gint mask,
1429                  MSG *msg)
1430 {
1431   return (((msg->message == WM_KEYUP || msg->message == WM_SYSKEYUP)
1432            && !(mask & GDK_KEY_RELEASE_MASK))
1433           ||
1434           ((msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
1435            && !(mask & GDK_KEY_PRESS_MASK)));
1436 }
1437
1438 static gboolean
1439 doesnt_want_char (gint mask,
1440                   MSG *msg)
1441 {
1442   return !(mask & (GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK));
1443 }
1444
1445 static gboolean
1446 doesnt_want_button_press (gint mask,
1447                           MSG *msg)
1448 {
1449   return !(mask & GDK_BUTTON_PRESS_MASK);
1450 }
1451
1452 static gboolean
1453 doesnt_want_button_release (gint mask,
1454                             MSG *msg)
1455 {
1456   return !(mask & GDK_BUTTON_RELEASE_MASK);
1457 }
1458
1459 static gboolean
1460 doesnt_want_button_motion (gint mask,
1461                            MSG *msg)
1462 {
1463   return !((mask & GDK_POINTER_MOTION_MASK)
1464            || ((msg->wParam & (MK_LBUTTON|MK_MBUTTON|MK_RBUTTON))
1465                && (mask & GDK_BUTTON_MOTION_MASK))
1466            || ((msg->wParam & MK_LBUTTON)
1467                && (mask & GDK_BUTTON1_MOTION_MASK))
1468            || ((msg->wParam & MK_MBUTTON)
1469                && (mask & GDK_BUTTON2_MOTION_MASK))
1470            || ((msg->wParam & MK_RBUTTON)
1471                && (mask & GDK_BUTTON3_MOTION_MASK)));
1472 }
1473
1474 static gboolean
1475 doesnt_want_scroll (gint mask,
1476                     MSG *msg)
1477 {
1478 #if 0
1479   return !(mask & GDK_SCROLL_MASK);
1480 #else
1481   return !(mask & GDK_BUTTON_PRESS_MASK);
1482 #endif
1483 }
1484
1485 static char *
1486 decode_key_lparam (LPARAM lParam)
1487 {
1488   static char buf[100];
1489   char *p = buf;
1490
1491   if (HIWORD (lParam) & KF_UP)
1492     p += sprintf (p, "KF_UP ");
1493   if (HIWORD (lParam) & KF_REPEAT)
1494     p += sprintf (p, "KF_REPEAT ");
1495   if (HIWORD (lParam) & KF_ALTDOWN)
1496     p += sprintf (p, "KF_ALTDOWN ");
1497   if (HIWORD (lParam) & KF_EXTENDED)
1498     p += sprintf (p, "KF_EXTENDED ");
1499   p += sprintf (p, "sc%d rep%d", LOBYTE (HIWORD (lParam)), LOWORD (lParam));
1500
1501   return buf;
1502 }
1503
1504 static gboolean
1505 gdk_event_translate (GdkEvent *event,
1506                      MSG      *msg,
1507                      gboolean *ret_val_flagp,
1508                      gint     *ret_valp,
1509                      gboolean  return_exposes)
1510 {
1511   DWORD pidActWin;
1512   DWORD pidThis;
1513   PAINTSTRUCT paintstruct;
1514   HDC hdc;
1515   HDC bgdc;
1516   HGDIOBJ oldbitmap;
1517   HBRUSH hbr;
1518   COLORREF bg;
1519   RECT rect;
1520   POINT pt;
1521   MINMAXINFO *mmi;
1522   HWND hwnd;
1523   HCURSOR hcursor;
1524
1525   /* Invariant:
1526    * window_impl == GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl)
1527    */
1528   GdkWindow *window;
1529   GdkWindowImplWin32 *window_impl;
1530 #define ASSIGN_WINDOW(rhs)                                                 \
1531   (window = rhs,                                                           \
1532    window_impl = (window ? GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl) : NULL))
1533
1534   GdkWindow *orig_window, *new_window;
1535   GdkColormap *colormap;
1536   GdkColormapPrivateWin32 *colormap_private;
1537   GdkPixmap *pixmap;
1538   GdkPixmapImplWin32 *pixmap_impl;
1539
1540   int button;
1541   int i, j;
1542
1543   gchar buf[256];
1544   gboolean return_val;
1545
1546   return_val = FALSE;
1547
1548   if (ret_val_flagp)
1549     *ret_val_flagp = FALSE;
1550
1551   ASSIGN_WINDOW (gdk_win32_handle_table_lookup ((GdkNativeWindow) msg->hwnd));
1552   orig_window = window;
1553
1554   event->any.window = window;
1555
1556   /* InSendMessage() does not really mean the same as X11's send_event flag,
1557    * but it is close enough, says jpe@archaeopteryx.com.
1558    */
1559   event->any.send_event = InSendMessage ();
1560
1561   if (window == NULL)
1562     {
1563       /* Handle WM_QUIT here ? */
1564       if (msg->message == WM_QUIT)
1565         {
1566           GDK_NOTE (EVENTS, g_print ("WM_QUIT: %d\n", msg->wParam));
1567           exit (msg->wParam);
1568         }
1569       else if (msg->message == WM_MOVE
1570                || msg->message == WM_SIZE)
1571         {
1572           /* It's quite normal to get these messages before we have
1573            * had time to register the window in our lookup table, or
1574            * when the window is being destroyed and we already have
1575            * removed it. Repost the same message to our queue so that
1576            * we will get it later when we are prepared.
1577            */
1578           GDK_NOTE(MISC, g_print("gdk_event_translate: %#lx %s posted.\n",
1579                                  (gulong) msg->hwnd,
1580                                  msg->message == WM_MOVE ?
1581                                  "WM_MOVE" : "WM_SIZE"));
1582
1583           PostMessage (msg->hwnd, msg->message,
1584                        msg->wParam, msg->lParam);
1585         }
1586 #ifndef WITHOUT_WM_CREATE
1587       else if (WM_CREATE == msg->message)
1588         {
1589           window = (UNALIGNED GdkWindow*) (((LPCREATESTRUCT) msg->lParam)->lpCreateParams);
1590           GDK_WINDOW_HWND (window) = msg->hwnd;
1591           GDK_NOTE (EVENTS, g_print ("gdk_event_translate: created %#x\n",
1592                                      (guint) msg->hwnd));
1593 # if 0
1594           /* This should handle allmost all the other window==NULL cases.
1595            * This code is executed while gdk_window_new is in it's
1596            * CreateWindowEx call.
1597            * Don't insert xid there a second time, if it's done here.
1598            */
1599           gdk_drawable_ref (window);
1600           gdk_win32_handle_table_insert (&GDK_WINDOW_HWND(window), window);
1601 # endif
1602         }
1603       else
1604       {
1605         GDK_NOTE (EVENTS, g_print ("gdk_event_translate: %s for %#x (NULL)\n",
1606                                    gdk_win32_message_name(msg->message),
1607                                    (guint) msg->hwnd));
1608       }
1609 #endif
1610       return FALSE;
1611     }
1612
1613   gdk_drawable_ref (window);
1614
1615   if (!GDK_WINDOW_DESTROYED (window))
1616     {
1617       /* Check for filters for this window */
1618       GdkFilterReturn result;
1619
1620       result = gdk_event_apply_filters
1621         (msg, event, GDK_WINDOW_OBJECT (window)->filters);
1622
1623       if (result != GDK_FILTER_CONTINUE)
1624         {
1625           return_val =  (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE;
1626           goto done;
1627         }
1628     }
1629
1630   if (msg->message == gdk_selection_notify_msg)
1631     {
1632       GDK_NOTE (EVENTS, g_print ("gdk_selection_notify_msg: %#lx\n",
1633                                  (gulong) msg->hwnd));
1634
1635       event->selection.type = GDK_SELECTION_NOTIFY;
1636       event->selection.window = window;
1637       event->selection.selection = msg->wParam;
1638       event->selection.target = msg->lParam;
1639       event->selection.property = gdk_selection_property;
1640       event->selection.time = msg->time;
1641
1642       return_val = !GDK_WINDOW_DESTROYED (window);
1643
1644       goto done;
1645     }
1646   else if (msg->message == gdk_selection_request_msg)
1647     {
1648       GDK_NOTE (EVENTS, g_print ("gdk_selection_request_msg: %#lx\n",
1649                                  (gulong) msg->hwnd));
1650
1651       event->selection.type = GDK_SELECTION_REQUEST;
1652       event->selection.window = window;
1653       event->selection.selection = gdk_clipboard_atom;
1654       event->selection.target = GDK_TARGET_STRING;
1655       event->selection.property = gdk_selection_property;
1656       event->selection.requestor = (guint32) msg->hwnd;
1657       event->selection.time = msg->time;
1658
1659       return_val = !GDK_WINDOW_DESTROYED (window);
1660
1661       goto done;
1662     }
1663   else if (msg->message == gdk_selection_clear_msg)
1664     {
1665       GDK_NOTE (EVENTS, g_print ("gdk_selection_clear_msg: %#lx\n",
1666                                  (gulong) msg->hwnd));
1667
1668       event->selection.type = GDK_SELECTION_CLEAR;
1669       event->selection.window = window;
1670       event->selection.selection = msg->wParam;
1671       event->selection.time = msg->time;
1672
1673       return_val = !GDK_WINDOW_DESTROYED (window);
1674
1675       goto done;
1676     }
1677   else if (msg->message == msh_mousewheel_msg)
1678     {
1679       GDK_NOTE (EVENTS, g_print ("MSH_MOUSEWHEEL: %#lx %d\n",
1680                                  (gulong) msg->hwnd, msg->wParam));
1681
1682       event->scroll.type = GDK_SCROLL;
1683
1684       /* MSG_MOUSEWHEEL is delivered to the foreground window.  Work
1685        * around that. Also, the position is in screen coordinates, not
1686        * client coordinates as with the button messages.
1687        */
1688       pt.x = LOWORD (msg->lParam);
1689       pt.y = HIWORD (msg->lParam);
1690       if ((hwnd = WindowFromPoint (pt)) == NULL)
1691         goto done;
1692
1693       msg->hwnd = hwnd;
1694       if ((new_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) msg->hwnd)) == NULL)
1695         goto done;
1696
1697       if (new_window != window)
1698         {
1699           gdk_drawable_unref (window);
1700           ASSIGN_WINDOW (new_window);
1701           gdk_drawable_ref (window);
1702         }
1703
1704       if (GDK_WINDOW_OBJECT (window)->extension_events != 0
1705           && gdk_input_ignore_core)
1706         {
1707           GDK_NOTE (EVENTS, g_print ("...ignored\n"));
1708           goto done;
1709         }
1710
1711       if (!propagate (&window, msg,
1712                       p_grab_window, p_grab_owner_events, p_grab_mask,
1713                       doesnt_want_scroll))
1714         goto done;
1715
1716       ASSIGN_WINDOW (window);
1717
1718       ScreenToClient (msg->hwnd, &pt);
1719       event->button.window = window;
1720       event->scroll.direction = ((int) msg->wParam > 0) ?
1721         GDK_SCROLL_UP : GDK_SCROLL_DOWN;
1722       event->scroll.window = window;
1723       event->scroll.time = msg->time;
1724       event->scroll.x = (gint16) pt.x;
1725       event->scroll.y = (gint16) pt.y;
1726       event->scroll.x_root = (gint16) LOWORD (msg->lParam);
1727       event->scroll.y_root = (gint16) HIWORD (msg->lParam);
1728       event->scroll.state = 0;  /* No state information with MSH_MOUSEWHEEL */
1729       event->scroll.device = gdk_core_pointer;
1730       return_val = !GDK_WINDOW_DESTROYED (window);
1731
1732       goto done;
1733     }
1734   else
1735     {
1736       GList *tmp_list;
1737       GdkFilterReturn result = GDK_FILTER_CONTINUE;
1738
1739       tmp_list = client_filters;
1740       while (tmp_list)
1741         {
1742           GdkClientFilter *filter = tmp_list->data;
1743           if (filter->type == msg->message)
1744             {
1745               GDK_NOTE (EVENTS, g_print ("client filter matched\n"));
1746               event->any.window = window;
1747               result = (*filter->function) (msg, event, filter->data);
1748               switch (result)
1749                 {
1750                 case GDK_FILTER_REMOVE:
1751                   return_val = FALSE;
1752                   break;
1753
1754                 case GDK_FILTER_TRANSLATE:
1755                   return_val = TRUE;
1756                   break;
1757
1758                 case GDK_FILTER_CONTINUE:
1759                   return_val = TRUE;
1760                   event->client.type = GDK_CLIENT_EVENT;
1761                   event->client.window = window;
1762                   event->client.message_type = msg->message;
1763                   event->client.data_format = 0;
1764                   event->client.data.l[0] = msg->wParam;
1765                   event->client.data.l[1] = msg->lParam;
1766                   break;
1767                 }
1768               goto done;
1769             }
1770           tmp_list = tmp_list->next;
1771         }
1772     }
1773
1774   switch (msg->message)
1775     {
1776     case WM_INPUTLANGCHANGE:
1777       GDK_NOTE (EVENTS,
1778                 g_print ("WM_INPUTLANGCHANGE: %#lx  charset %lu locale %lx\n",
1779                          (gulong) msg->hwnd, (gulong) msg->wParam, msg->lParam));
1780       window_impl->input_locale = (HKL) msg->lParam;
1781       TranslateCharsetInfo ((DWORD FAR *) msg->wParam,
1782                             &window_impl->charset_info,
1783                             TCI_SRCCHARSET);
1784       break;
1785
1786     case WM_SYSKEYUP:
1787     case WM_SYSKEYDOWN:
1788       GDK_NOTE (EVENTS,
1789                 g_print ("WM_SYSKEY%s: %#lx  %s %#x %s\n",
1790                          (msg->message == WM_SYSKEYUP ? "UP" : "DOWN"),
1791                          (gulong) msg->hwnd,
1792                          (GetKeyNameText (msg->lParam, buf,
1793                                           sizeof (buf)) > 0 ?
1794                           buf : ""),
1795                          msg->wParam,
1796                          decode_key_lparam (msg->lParam)));
1797
1798       /* Let the system handle Alt-Tab and Alt-Enter */
1799       if (msg->wParam == VK_TAB
1800           || msg->wParam == VK_RETURN
1801           || msg->wParam == VK_F4)
1802         break;
1803       /* If posted without us having keyboard focus, ignore */
1804       if (!(msg->lParam & 0x20000000))
1805         break;
1806 #if 0
1807       /* don't generate events for just the Alt key */
1808       if (msg->wParam == VK_MENU)
1809         break;
1810 #endif
1811       /* Jump to code in common with WM_KEYUP and WM_KEYDOWN */
1812       goto keyup_or_down;
1813
1814     case WM_KEYUP:
1815     case WM_KEYDOWN:
1816       GDK_NOTE (EVENTS,
1817                 g_print ("WM_KEY%s: %#lx  %s %#x %s\n",
1818                          (msg->message == WM_KEYUP ? "UP" : "DOWN"),
1819                          (gulong) msg->hwnd,
1820                          (GetKeyNameText (msg->lParam, buf,
1821                                           sizeof (buf)) > 0 ?
1822                           buf : ""),
1823                          msg->wParam,
1824                          decode_key_lparam (msg->lParam)));
1825
1826       ignore_wm_char = TRUE;
1827
1828     keyup_or_down:
1829
1830       event->key.window = window;
1831       switch (msg->wParam)
1832         {
1833         case VK_LBUTTON:
1834           event->key.keyval = GDK_Pointer_Button1; break;
1835         case VK_RBUTTON:
1836           event->key.keyval = GDK_Pointer_Button3; break;
1837         case VK_MBUTTON:
1838           event->key.keyval = GDK_Pointer_Button2; break;
1839         case VK_CANCEL:
1840           event->key.keyval = GDK_Cancel; break;
1841         case VK_BACK:
1842           event->key.keyval = GDK_BackSpace; break;
1843         case VK_TAB:
1844           event->key.keyval = (GetKeyState(VK_SHIFT) < 0 ?
1845             GDK_ISO_Left_Tab : GDK_Tab);
1846           break;
1847         case VK_CLEAR:
1848           event->key.keyval = GDK_Clear; break;
1849         case VK_RETURN:
1850           event->key.keyval = GDK_Return; break;
1851         case VK_SHIFT:
1852           /* Don't let Shift auto-repeat */
1853           if (msg->message == WM_KEYDOWN
1854               && (HIWORD (msg->lParam) & KF_REPEAT))
1855             ignore_wm_char = FALSE;
1856           else
1857             event->key.keyval = GDK_Shift_L;
1858           break;
1859         case VK_CONTROL:
1860           /* And not Control either */
1861           if (msg->message == WM_KEYDOWN
1862               && (HIWORD (msg->lParam) & KF_REPEAT))
1863             ignore_wm_char = FALSE;
1864           else if (HIWORD (msg->lParam) & KF_EXTENDED)
1865             event->key.keyval = GDK_Control_R;
1866           else
1867             event->key.keyval = GDK_Control_L;
1868           break;
1869         case VK_MENU:
1870           /* And not Alt */
1871           if (msg->message == WM_KEYDOWN
1872               && (HIWORD (msg->lParam) & KF_REPEAT))
1873             ignore_wm_char = FALSE;
1874           else if (HIWORD (msg->lParam) & KF_EXTENDED)
1875             {
1876               /* AltGr key comes in as Control+Right Alt */
1877               if (GetKeyState (VK_CONTROL) < 0)
1878                 {
1879                   ignore_wm_char = FALSE;
1880                   is_altgr_key = TRUE;
1881                 }
1882               event->key.keyval = GDK_Alt_R;
1883             }
1884           else
1885             {
1886               event->key.keyval = GDK_Alt_L;
1887               /* This needed in case she types Alt+nnn (on the numpad) */
1888               ignore_wm_char = FALSE;
1889             }
1890           break;
1891         case VK_PAUSE:
1892           event->key.keyval = GDK_Pause; break;
1893         case VK_CAPITAL:
1894           event->key.keyval = GDK_Caps_Lock; break;
1895         case VK_ESCAPE:
1896           event->key.keyval = GDK_Escape; break;
1897         case VK_PRIOR:
1898           event->key.keyval = GDK_Prior; break;
1899         case VK_NEXT:
1900           event->key.keyval = GDK_Next; break;
1901         case VK_END:
1902           event->key.keyval = GDK_End; break;
1903         case VK_HOME:
1904           event->key.keyval = GDK_Home; break;
1905         case VK_LEFT:
1906           event->key.keyval = GDK_Left; break;
1907         case VK_UP:
1908           event->key.keyval = GDK_Up; break;
1909         case VK_RIGHT:
1910           event->key.keyval = GDK_Right; break;
1911         case VK_DOWN:
1912           event->key.keyval = GDK_Down; break;
1913         case VK_SELECT:
1914           event->key.keyval = GDK_Select; break;
1915         case VK_PRINT:
1916           event->key.keyval = GDK_Print; break;
1917         case VK_EXECUTE:
1918           event->key.keyval = GDK_Execute; break;
1919         case VK_INSERT:
1920           event->key.keyval = GDK_Insert; break;
1921         case VK_DELETE:
1922           event->key.keyval = GDK_Delete; break;
1923         case VK_HELP:
1924           event->key.keyval = GDK_Help; break;
1925         case VK_NUMPAD0:
1926         case VK_NUMPAD1:
1927         case VK_NUMPAD2:
1928         case VK_NUMPAD3:
1929         case VK_NUMPAD4:
1930         case VK_NUMPAD5:
1931         case VK_NUMPAD6:
1932         case VK_NUMPAD7:
1933         case VK_NUMPAD8:
1934         case VK_NUMPAD9:
1935           /* Apparently applications work better if we just pass numpad digits
1936            * on as real digits? So wait for the WM_CHAR instead.
1937            */
1938           ignore_wm_char = FALSE;
1939           break;
1940         case VK_MULTIPLY:
1941           event->key.keyval = GDK_KP_Multiply; break;
1942         case VK_ADD:
1943           /* Pass it on as an ASCII plus in WM_CHAR. */
1944           ignore_wm_char = FALSE;
1945           break;
1946         case VK_SEPARATOR:
1947           event->key.keyval = GDK_KP_Separator; break;
1948         case VK_SUBTRACT:
1949           /* Pass it on as an ASCII minus in WM_CHAR. */
1950           ignore_wm_char = FALSE;
1951           break;
1952         case VK_DECIMAL:
1953           /* The keypad decimal key should also be passed on as the decimal
1954            * sign ('.' or ',' depending on the Windows locale settings,
1955            * apparently). So wait for the WM_CHAR here, also.
1956            */
1957           ignore_wm_char = FALSE;
1958           break;
1959         case VK_DIVIDE:
1960           event->key.keyval = GDK_KP_Divide; break;
1961         case VK_F1:
1962           event->key.keyval = GDK_F1; break;
1963         case VK_F2:
1964           event->key.keyval = GDK_F2; break;
1965         case VK_F3:
1966           event->key.keyval = GDK_F3; break;
1967         case VK_F4:
1968           event->key.keyval = GDK_F4; break;
1969         case VK_F5:
1970           event->key.keyval = GDK_F5; break;
1971         case VK_F6:
1972           event->key.keyval = GDK_F6; break;
1973         case VK_F7:
1974           event->key.keyval = GDK_F7; break;
1975         case VK_F8:
1976           event->key.keyval = GDK_F8; break;
1977         case VK_F9:
1978           event->key.keyval = GDK_F9; break;
1979         case VK_F10:
1980           event->key.keyval = GDK_F10; break;
1981         case VK_F11:
1982           event->key.keyval = GDK_F11; break;
1983         case VK_F12:
1984           event->key.keyval = GDK_F12; break;
1985         case VK_F13:
1986           event->key.keyval = GDK_F13; break;
1987         case VK_F14:
1988           event->key.keyval = GDK_F14; break;
1989         case VK_F15:
1990           event->key.keyval = GDK_F15; break;
1991         case VK_F16:
1992           event->key.keyval = GDK_F16; break;
1993         case '0':
1994         case '1':
1995         case '2':
1996         case '3':
1997         case '4':
1998         case '5':
1999         case '6':
2000         case '7':
2001         case '8':
2002         case '9':
2003           if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
2004                                 || GetKeyState (VK_MENU) < 0))
2005             /* Control- or Alt-digits won't come in as a WM_CHAR,
2006              * but beware of AltGr-digits, which are used for instance
2007              * on Finnish keyboards.
2008              */
2009             event->key.keyval = GDK_0 + (msg->wParam - '0');
2010           else
2011             ignore_wm_char = FALSE;
2012           break;
2013         case VK_OEM_PLUS:       /* On my Win98, the '+' key comes in
2014                                  * as VK_OEM_PLUS, etc.
2015                                  */
2016         case VK_OEM_COMMA:
2017         case VK_OEM_MINUS:
2018         case VK_OEM_PERIOD:
2019         case VK_OEM_2:
2020         case VK_OEM_4:
2021         case VK_OEM_5:
2022         case VK_OEM_6:
2023           if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
2024                                 || GetKeyState (VK_MENU) < 0))
2025             /* Control- or Alt-plus won't come in as WM_CHAR,
2026              * but beware of AltGr-plus which is backslash on
2027              * Finnish keyboards
2028              */
2029             /* All these VK_OEM keycodes happen to be the corresponding ASCII
2030              * char + 0x90
2031              */
2032             event->key.keyval = msg->wParam - 0x90;
2033           else
2034             ignore_wm_char = FALSE;
2035           break;
2036         case VK_OEM_1:
2037           if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
2038                                 || GetKeyState (VK_MENU) < 0))
2039             /* ;: on US keyboard */
2040             event->key.keyval = ';';
2041           else
2042             ignore_wm_char = FALSE;
2043           break;
2044         case VK_OEM_3:
2045           if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
2046                                 || GetKeyState (VK_MENU) < 0))
2047             /* `~ on US keyboard */
2048             event->key.keyval = '`';
2049           else
2050             ignore_wm_char = FALSE;
2051           break;
2052         case VK_OEM_7:
2053           if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
2054                                 || GetKeyState (VK_MENU) < 0))
2055             /* '" on US keyboard */
2056             event->key.keyval = '\'';
2057           else
2058             ignore_wm_char = FALSE;
2059           break;
2060         default:
2061           if (msg->message == WM_SYSKEYDOWN || msg->message == WM_SYSKEYUP)
2062             event->key.keyval = msg->wParam;
2063           else
2064             ignore_wm_char = FALSE;
2065           break;
2066         }
2067
2068       if (!ignore_wm_char)
2069         break;
2070
2071       if (!propagate (&window, msg,
2072                       k_grab_window, k_grab_owner_events, GDK_ALL_EVENTS_MASK,
2073                       doesnt_want_key))
2074           break;
2075       ASSIGN_WINDOW (window);
2076
2077       is_altgr_key = FALSE;
2078       event->key.type = ((msg->message == WM_KEYDOWN
2079                           || msg->message == WM_SYSKEYDOWN) ?
2080                          GDK_KEY_PRESS : GDK_KEY_RELEASE);
2081       event->key.time = msg->time;
2082       event->key.state = 0;
2083       if (GetKeyState (VK_SHIFT) < 0)
2084         event->key.state |= GDK_SHIFT_MASK;
2085       if (GetKeyState (VK_CAPITAL) & 0x1)
2086         event->key.state |= GDK_LOCK_MASK;
2087       if (GetKeyState (VK_CONTROL) < 0)
2088         event->key.state |= GDK_CONTROL_MASK;
2089       if (msg->wParam != VK_MENU && GetKeyState (VK_MENU) < 0)
2090         event->key.state |= GDK_MOD1_MASK;
2091       event->key.string = NULL;
2092       event->key.length = 0;
2093       return_val = !GDK_WINDOW_DESTROYED (window);
2094       break;
2095
2096     case WM_IME_COMPOSITION:
2097       if (!use_ime_composition)
2098         break;
2099
2100       GDK_NOTE (EVENTS, g_print ("WM_IME_COMPOSITION: %#lx  %#lx\n",
2101                                  (gulong) msg->hwnd, msg->lParam));
2102       if (msg->lParam & GCS_RESULTSTR)
2103         goto wm_char;
2104       break;
2105
2106     case WM_IME_CHAR:
2107       GDK_NOTE (EVENTS,
2108                 g_print ("WM_IME_CHAR: %#lx  bytes: %#.04x\n",
2109                          (gulong) msg->hwnd, msg->wParam));
2110       goto wm_char;
2111
2112     case WM_CHAR:
2113     case WM_SYSCHAR:
2114       GDK_NOTE (EVENTS,
2115                 g_print ("WM_%sCHAR: %#lx  %#x %s %s\n",
2116                          (msg->message == WM_CHAR ? "" : "SYS"),
2117                          (gulong) msg->hwnd, msg->wParam,
2118                          decode_key_lparam (msg->lParam),
2119                          (ignore_wm_char ? "ignored" : "")));
2120
2121       if (ignore_wm_char)
2122         {
2123           ignore_wm_char = FALSE;
2124           break;
2125         }
2126
2127     wm_char:
2128       if (!propagate (&window, msg,
2129                       k_grab_window, k_grab_owner_events, GDK_ALL_EVENTS_MASK,
2130                       doesnt_want_char))
2131           break;
2132       ASSIGN_WINDOW (window);
2133
2134       event->key.window = window;
2135       return_val = !GDK_WINDOW_DESTROYED (window);
2136
2137       if (return_val && (event->key.window == k_grab_window
2138                          || (window_impl->event_mask & GDK_KEY_RELEASE_MASK)))
2139         {
2140           if (window == k_grab_window
2141               || (window_impl->event_mask & GDK_KEY_PRESS_MASK))
2142             {
2143               /* Append a GDK_KEY_PRESS event to the pushback list
2144                * (from which it will be fetched before the release
2145                * event).
2146                */
2147               GdkEvent *event2 = gdk_event_new ();
2148               build_keypress_event (window_impl, event2, msg);
2149               event2->key.window = window;
2150               gdk_drawable_ref (window);
2151               gdk_event_queue_append (event2);
2152               GDK_NOTE (EVENTS, print_event (event2));
2153             }
2154           /* Return the key release event.  */
2155           build_keyrelease_event (window_impl, event, msg);
2156         }
2157       else if (return_val
2158                && (window_impl->event_mask & GDK_KEY_PRESS_MASK))
2159         {
2160           /* Return just the key press event. */
2161           build_keypress_event (window_impl, event, msg);
2162         }
2163       else
2164         return_val = FALSE;
2165
2166 #if 0 /* Don't reset is_AltGr_key here. Othewise we can't type several
2167        * AltGr-accessed chars while keeping the AltGr pressed down
2168        * all the time.
2169        */
2170       is_AltGr_key = FALSE;
2171 #endif
2172       break;
2173
2174     case WM_LBUTTONDOWN:
2175       button = 1;
2176       goto buttondown0;
2177     case WM_MBUTTONDOWN:
2178       button = 2;
2179       goto buttondown0;
2180     case WM_RBUTTONDOWN:
2181       button = 3;
2182
2183     buttondown0:
2184       GDK_NOTE (EVENTS,
2185                 g_print ("WM_%cBUTTONDOWN: %#lx  (%d,%d)\n",
2186                          " LMR"[button],
2187                          (gulong) msg->hwnd,
2188                          LOWORD (msg->lParam), HIWORD (msg->lParam)));
2189
2190       if (GDK_WINDOW_OBJECT (window)->extension_events != 0
2191           && gdk_input_ignore_core)
2192         {
2193           GDK_NOTE (EVENTS, g_print ("...ignored\n"));
2194           break;
2195         }
2196
2197       ASSIGN_WINDOW (find_window_for_pointer_event (window, msg));
2198
2199       if (window != current_window)
2200         synthesize_crossing_events (window, msg);
2201
2202       event->button.type = GDK_BUTTON_PRESS;
2203       if (!propagate (&window, msg,
2204                       p_grab_window, p_grab_owner_events, p_grab_mask,
2205                       doesnt_want_button_press))
2206           break;
2207       ASSIGN_WINDOW (window);
2208
2209       event->button.window = window;
2210
2211       /* Emulate X11's automatic active grab */
2212       if (!p_grab_window)
2213         {
2214           /* No explicit active grab, let's start one automatically */
2215           gint owner_events = window_impl->event_mask
2216             & (GDK_BUTTON_PRESS_MASK|GDK_BUTTON_RELEASE_MASK);
2217
2218           GDK_NOTE (EVENTS, g_print ("...automatic grab started\n"));
2219           gdk_pointer_grab (window,
2220                             owner_events,
2221                             window_impl->event_mask,
2222                             NULL, NULL, 0);
2223           p_grab_automatic = TRUE;
2224         }
2225
2226       event->button.time = msg->time;
2227       if (window != orig_window)
2228         translate_mouse_coords (orig_window, window, msg);
2229       event->button.x = current_x = (gint16) LOWORD (msg->lParam);
2230       event->button.y = current_y = (gint16) HIWORD (msg->lParam);
2231       event->button.x_root = msg->pt.x;
2232       event->button.y_root = msg->pt.y;
2233       event->button.axes = NULL;
2234       event->button.state = build_pointer_event_state (msg);
2235       event->button.button = button;
2236       event->button.device = gdk_core_pointer;
2237
2238       gdk_event_button_generate (event);
2239
2240       return_val = !GDK_WINDOW_DESTROYED (window);
2241       break;
2242
2243     case WM_LBUTTONUP:
2244       button = 1;
2245       goto buttonup0;
2246     case WM_MBUTTONUP:
2247       button = 2;
2248       goto buttonup0;
2249     case WM_RBUTTONUP:
2250       button = 3;
2251
2252     buttonup0:
2253       GDK_NOTE (EVENTS,
2254                 g_print ("WM_%cBUTTONUP: %#lx  (%d,%d)\n",
2255                          " LMR"[button],
2256                          (gulong) msg->hwnd,
2257                          LOWORD (msg->lParam), HIWORD (msg->lParam)));
2258
2259       ASSIGN_WINDOW (find_window_for_pointer_event (window, msg));
2260
2261       if (GDK_WINDOW_OBJECT (window)->extension_events != 0
2262           && gdk_input_ignore_core)
2263         {
2264           GDK_NOTE (EVENTS, g_print ("...ignored\n"));
2265           break;
2266         }
2267
2268       if (window != current_window)
2269         synthesize_crossing_events (window, msg);
2270
2271       event->button.type = GDK_BUTTON_RELEASE;
2272       if (!propagate (&window, msg,
2273                       p_grab_window, p_grab_owner_events, p_grab_mask,
2274                       doesnt_want_button_release))
2275         {
2276         }
2277       else
2278         {
2279           ASSIGN_WINDOW (window);
2280
2281           event->button.window = window;
2282           event->button.time = msg->time;
2283           if (window != orig_window)
2284             translate_mouse_coords (orig_window, window, msg);
2285           event->button.x = (gint16) LOWORD (msg->lParam);
2286           event->button.y = (gint16) HIWORD (msg->lParam);
2287           event->button.x_root = msg->pt.x;
2288           event->button.y_root = msg->pt.y;
2289           event->button.axes = NULL;
2290           event->button.state = build_pointer_event_state (msg);
2291           event->button.button = button;
2292           event->button.device = gdk_core_pointer;
2293
2294           return_val = !GDK_WINDOW_DESTROYED (window);
2295         }
2296
2297       if (p_grab_window != NULL
2298           && p_grab_automatic
2299           && (msg->wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) == 0)
2300         gdk_pointer_ungrab (0);
2301       break;
2302
2303     case WM_MOUSEMOVE:
2304       GDK_NOTE (EVENTS,
2305                 g_print ("WM_MOUSEMOVE: %#lx  %#x (%d,%d)\n",
2306                          (gulong) msg->hwnd, msg->wParam,
2307                          LOWORD (msg->lParam), HIWORD (msg->lParam)));
2308
2309       ASSIGN_WINDOW (find_window_for_pointer_event (window, msg));
2310
2311       /* If we haven't moved, don't create any event.
2312        * Windows sends WM_MOUSEMOVE messages after button presses
2313        * even if the mouse doesn't move. This disturbs gtk.
2314        */
2315       if (window == current_window
2316           && LOWORD (msg->lParam) == current_x
2317           && HIWORD (msg->lParam) == current_y)
2318         break;
2319
2320       /* HB: only process mouse move messages if we own the active window. */
2321       GetWindowThreadProcessId(GetActiveWindow(), &pidActWin);
2322       GetWindowThreadProcessId(msg->hwnd, &pidThis);
2323       if (pidActWin != pidThis)
2324         break;
2325
2326       if (window != current_window)
2327         synthesize_crossing_events (window, msg);
2328
2329       if (GDK_WINDOW_OBJECT (window)->extension_events != 0
2330           && gdk_input_ignore_core)
2331         {
2332           GDK_NOTE (EVENTS, g_print ("...ignored\n"));
2333           break;
2334         }
2335
2336       event->motion.type = GDK_MOTION_NOTIFY;
2337       if (!propagate (&window, msg,
2338                       p_grab_window, p_grab_owner_events, p_grab_mask,
2339                       doesnt_want_button_motion))
2340           break;
2341       ASSIGN_WINDOW (window);
2342
2343       event->motion.window = window;
2344       event->motion.time = msg->time;
2345       if (window != orig_window)
2346         translate_mouse_coords (orig_window, window, msg);
2347       event->motion.x = current_x = (gint16) LOWORD (msg->lParam);
2348       event->motion.y = current_y = (gint16) HIWORD (msg->lParam);
2349       event->motion.x_root = current_x_root = msg->pt.x;
2350       event->motion.y_root = current_y_root = msg->pt.y;
2351       event->motion.axes = NULL;
2352       event->motion.state = build_pointer_event_state (msg);
2353       event->motion.is_hint = FALSE;
2354       event->motion.device = gdk_core_pointer;
2355
2356       return_val = !GDK_WINDOW_DESTROYED (window);
2357       break;
2358
2359     case WM_NCMOUSEMOVE:
2360       GDK_NOTE (EVENTS,
2361                 g_print ("WM_NCMOUSEMOVE: %#lx  x,y: %d %d\n",
2362                          (gulong) msg->hwnd,
2363                          LOWORD (msg->lParam), HIWORD (msg->lParam)));
2364       if (track_mouse_event == NULL
2365           && current_window != NULL
2366           && (GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (current_window)->impl)->event_mask & GDK_LEAVE_NOTIFY_MASK))
2367         {
2368           GDK_NOTE (EVENTS, g_print ("...synthesizing LEAVE_NOTIFY event\n"));
2369
2370           event->crossing.type = GDK_LEAVE_NOTIFY;
2371           event->crossing.window = current_window;
2372           event->crossing.subwindow = NULL;
2373           event->crossing.time = msg->time;
2374           event->crossing.x = current_x;
2375           event->crossing.y = current_y;
2376           event->crossing.x_root = current_x_root;
2377           event->crossing.y_root = current_y_root;
2378           event->crossing.mode = GDK_CROSSING_NORMAL;
2379           event->crossing.detail = GDK_NOTIFY_NONLINEAR;
2380
2381           event->crossing.focus = TRUE; /* ??? */
2382           event->crossing.state = 0; /* ??? */
2383           return_val = TRUE;
2384         }
2385
2386       if (current_window)
2387         {
2388           gdk_drawable_unref (current_window);
2389           current_window = NULL;
2390         }
2391
2392       break;
2393
2394     case WM_MOUSEWHEEL:
2395       GDK_NOTE (EVENTS, g_print ("WM_MOUSEWHEEL: %#lx %d\n",
2396                                  (gulong) msg->hwnd, HIWORD (msg->wParam)));
2397
2398       event->scroll.type = GDK_SCROLL;
2399
2400       /* WM_MOUSEWHEEL is delivered to the focus window Work around
2401        * that. Also, the position is in screen coordinates, not client
2402        * coordinates as with the button messages. I love the
2403        * consistency of Windows.
2404        */
2405       pt.x = LOWORD (msg->lParam);
2406       pt.y = HIWORD (msg->lParam);
2407       if ((hwnd = WindowFromPoint (pt)) == NULL)
2408         break;
2409
2410       msg->hwnd = hwnd;
2411       if ((new_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) msg->hwnd)) == NULL)
2412         break;
2413
2414       if (new_window != window)
2415         {
2416           gdk_drawable_unref (window);
2417           ASSIGN_WINDOW (new_window);
2418           gdk_drawable_ref (window);
2419         }
2420
2421       if (GDK_WINDOW_OBJECT (window)->extension_events != 0
2422           && gdk_input_ignore_core)
2423         {
2424           GDK_NOTE (EVENTS, g_print ("...ignored\n"));
2425           break;
2426         }
2427
2428       if (!propagate (&window, msg,
2429                       p_grab_window, p_grab_owner_events, p_grab_mask,
2430                       doesnt_want_scroll))
2431         break;
2432
2433       ASSIGN_WINDOW (window);
2434
2435       ScreenToClient (msg->hwnd, &pt);
2436       event->button.window = window;
2437       event->scroll.direction = (((short) HIWORD (msg->wParam)) > 0) ?
2438         GDK_SCROLL_UP : GDK_SCROLL_DOWN;
2439       event->scroll.window = window;
2440       event->scroll.time = msg->time;
2441       event->scroll.x = (gint16) pt.x;
2442       event->scroll.y = (gint16) pt.y;
2443       event->scroll.x_root = (gint16) LOWORD (msg->lParam);
2444       event->scroll.y_root = (gint16) HIWORD (msg->lParam);
2445       event->scroll.state = build_pointer_event_state (msg);
2446       event->scroll.device = gdk_core_pointer;
2447       return_val = !GDK_WINDOW_DESTROYED (window);
2448
2449       break;
2450
2451 #ifdef USE_TRACKMOUSEEVENT
2452     case WM_MOUSELEAVE:
2453       GDK_NOTE (EVENTS, g_print ("WM_MOUSELEAVE: %#lx\n", (gulong) msg->hwnd));
2454
2455       if (!(window_impl->event_mask & GDK_LEAVE_NOTIFY_MASK))
2456         break;
2457
2458       event->crossing.type = GDK_LEAVE_NOTIFY;
2459       event->crossing.window = window;
2460       event->crossing.subwindow = NULL;
2461       event->crossing.time = msg->time;
2462       event->crossing.x = current_x;
2463       event->crossing.y = current_y;
2464       event->crossing.x_root = current_xroot;
2465       event->crossing.y_root = current_yroot;
2466       event->crossing.mode = GDK_CROSSING_NORMAL;
2467       if (current_window
2468           && IsChild (GDK_WINDOW_HWND (current_window), GDK_WINDOW_HWND (window)))
2469         event->crossing.detail = GDK_NOTIFY_INFERIOR;
2470       else if (current_window
2471                && IsChild (GDK_WINDOW_HWND (window), GDK_WINDOW_HWND (current_window)))
2472         event->crossing.detail = GDK_NOTIFY_ANCESTOR;
2473       else
2474         event->crossing.detail = GDK_NOTIFY_NONLINEAR;
2475
2476       event->crossing.focus = TRUE; /* ??? */
2477       event->crossing.state = 0; /* ??? */
2478
2479       if (current_window)
2480         {
2481           gdk_drawable_unref (current_window);
2482           current_window = NULL;
2483         }
2484
2485       return_val = !GDK_WINDOW_DESTROYED (window);
2486       break;
2487 #endif
2488
2489     case WM_SETFOCUS:
2490     case WM_KILLFOCUS:
2491       GDK_NOTE (EVENTS, g_print ("WM_%sFOCUS: %#lx\n",
2492                                  (msg->message == WM_SETFOCUS ?
2493                                   "SET" : "KILL"),
2494                                  (gulong) msg->hwnd));
2495
2496       if (!(window_impl->event_mask & GDK_FOCUS_CHANGE_MASK))
2497         break;
2498
2499       event->focus_change.type = GDK_FOCUS_CHANGE;
2500       event->focus_change.window = window;
2501       event->focus_change.in = (msg->message == WM_SETFOCUS);
2502       return_val = !GDK_WINDOW_DESTROYED (window);
2503       break;
2504
2505     case WM_ERASEBKGND:
2506       GDK_NOTE (EVENTS, g_print ("WM_ERASEBKGND: %#lx  dc %#x\n",
2507                                  (gulong) msg->hwnd, msg->wParam));
2508
2509       if (GDK_WINDOW_DESTROYED (window))
2510         break;
2511
2512       if (GDK_WINDOW_OBJECT (window)->input_only)
2513         break;
2514
2515       colormap = GDK_DRAWABLE_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl)->colormap;
2516       if (colormap)
2517         colormap_private = GDK_COLORMAP_PRIVATE_DATA (colormap);
2518       hdc = (HDC) msg->wParam;
2519       if (colormap && colormap_private->xcolormap->rc_palette)
2520         {
2521           int k;
2522
2523           if (SelectPalette (hdc,  colormap_private->xcolormap->palette,
2524                              FALSE) == NULL)
2525             WIN32_GDI_FAILED ("SelectPalette");
2526           if ((k = RealizePalette (hdc)) == GDI_ERROR)
2527             WIN32_GDI_FAILED ("RealizePalette");
2528 #if 0
2529           g_print ("WM_ERASEBKGND: selected %#x, realized %d colors\n",
2530                    colormap_private->xcolormap->palette, k);
2531 #endif
2532         }
2533       *ret_val_flagp = TRUE;
2534       *ret_valp = 1;
2535
2536       if (GDK_WINDOW_OBJECT (window)->bg_pixmap == GDK_PARENT_RELATIVE_BG)
2537         {
2538           /* If this window should have the same background as the
2539            * parent, fetch the parent. (And if the same goes for
2540            * the parent, fetch the grandparent, etc.)
2541            */
2542           while (window && GDK_WINDOW_OBJECT (window)->bg_pixmap == GDK_PARENT_RELATIVE_BG)
2543             {
2544               gdk_drawable_unref (window);
2545               ASSIGN_WINDOW (GDK_WINDOW (GDK_WINDOW_OBJECT (window)->parent));
2546               gdk_drawable_ref (window);
2547             }
2548         }
2549
2550       if (GDK_WINDOW_OBJECT (window)->bg_pixmap == NULL)
2551         {
2552           bg = gdk_colormap_color (GDK_DRAWABLE_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl)->colormap,
2553                                    GDK_WINDOW_OBJECT (window)->bg_color.pixel);
2554
2555           GetClipBox (hdc, &rect);
2556           GDK_NOTE (EVENTS,
2557                     g_print ("...%ldx%ld@+%ld+%ld BG_PIXEL %.06lx\n",
2558                              rect.right - rect.left,
2559                              rect.bottom - rect.top,
2560                              rect.left, rect.top,
2561                              (gulong) bg));
2562           hbr = CreateSolidBrush (bg);
2563 #if 0
2564           g_print ("...CreateSolidBrush (%.08x) = %.08x\n", bg, hbr);
2565 #endif
2566           if (!FillRect (hdc, &rect, hbr))
2567             WIN32_GDI_FAILED ("FillRect");
2568           DeleteObject (hbr);
2569         }
2570       else if (GDK_WINDOW_OBJECT (window)->bg_pixmap != NULL &&
2571                GDK_WINDOW_OBJECT (window)->bg_pixmap != GDK_NO_BG)
2572         {
2573           pixmap = GDK_WINDOW_OBJECT (window)->bg_pixmap;
2574           pixmap_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
2575           GetClipBox (hdc, &rect);
2576
2577           if (pixmap_impl->width <= 8 && pixmap_impl->height <= 8)
2578             {
2579               GDK_NOTE (EVENTS, g_print ("...small pixmap, using brush\n"));
2580               hbr = CreatePatternBrush (GDK_PIXMAP_HBITMAP (pixmap));
2581               if (!FillRect (hdc, &rect, hbr))
2582                 WIN32_GDI_FAILED ("FillRect");
2583               DeleteObject (hbr);
2584             }
2585           else
2586             {
2587               GDK_NOTE (EVENTS,
2588                         g_print ("...blitting pixmap %#lx (%dx%d) "
2589                                  "all over the place,\n"
2590                                  "...clip box = %ldx%ld@+%ld+%ld\n",
2591                                  (gulong) GDK_PIXMAP_HBITMAP (pixmap),
2592                                  pixmap_impl->width, pixmap_impl->height,
2593                                  rect.right - rect.left, rect.bottom - rect.top,
2594                                  rect.left, rect.top));
2595
2596               if (!(bgdc = CreateCompatibleDC (hdc)))
2597                 {
2598                   WIN32_GDI_FAILED ("CreateCompatibleDC");
2599                   break;
2600                 }
2601               if (!(oldbitmap = SelectObject (bgdc, GDK_PIXMAP_HBITMAP (pixmap))))
2602                 {
2603                   WIN32_GDI_FAILED ("SelectObject");
2604                   DeleteDC (bgdc);
2605                   break;
2606                 }
2607               i = 0;
2608               while (i < rect.right)
2609                 {
2610                   j = 0;
2611                   while (j < rect.bottom)
2612                     {
2613                       if (i + pixmap_impl->width >= rect.left
2614                           && j + pixmap_impl->height >= rect.top)
2615                         {
2616                           if (!BitBlt (hdc, i, j,
2617                                        pixmap_impl->width, pixmap_impl->height,
2618                                        bgdc, 0, 0, SRCCOPY))
2619                             {
2620                               WIN32_GDI_FAILED ("BitBlt");
2621                               goto loopexit;
2622                             }
2623                         }
2624                       j += pixmap_impl->height;
2625                     }
2626                   i += pixmap_impl->width;
2627                 }
2628             loopexit:
2629               SelectObject (bgdc, oldbitmap);
2630               DeleteDC (bgdc);
2631             }
2632         }
2633       else
2634         {
2635           GDK_NOTE (EVENTS, g_print ("...BLACK_BRUSH (?)\n"));
2636           hbr = GetStockObject (BLACK_BRUSH);
2637           GetClipBox (hdc, &rect);
2638           if (!FillRect (hdc, &rect, hbr))
2639             WIN32_GDI_FAILED ("FillRect");
2640         }
2641       break;
2642
2643     case WM_PAINT:
2644       if (!GetUpdateRect(msg->hwnd, NULL, FALSE))
2645         {
2646           GDK_NOTE (EVENTS, g_print ("WM_PAINT: %#lx no update rect\n",
2647                                      (gulong) msg->hwnd));
2648           break;
2649         }
2650
2651       /* HB: don't generate GDK_EXPOSE events for InputOnly
2652        * windows -> backing store now works!
2653        */
2654       if (GDK_WINDOW_OBJECT (window)->input_only)
2655         break;
2656
2657       hdc = BeginPaint (msg->hwnd, &paintstruct);
2658
2659       GDK_NOTE (EVENTS,
2660                 g_print ("WM_PAINT: %#lx  %ldx%ld@+%ld+%ld %s dc %#lx\n",
2661                          (gulong) msg->hwnd,
2662                          paintstruct.rcPaint.right - paintstruct.rcPaint.left,
2663                          paintstruct.rcPaint.bottom - paintstruct.rcPaint.top,
2664                          paintstruct.rcPaint.left, paintstruct.rcPaint.top,
2665                          (paintstruct.fErase ? "erase" : ""),
2666                          (gulong) hdc));
2667
2668       EndPaint (msg->hwnd, &paintstruct);
2669
2670       if (!(window_impl->event_mask & GDK_EXPOSURE_MASK))
2671         break;
2672
2673       if ((paintstruct.rcPaint.right == paintstruct.rcPaint.left)
2674           || (paintstruct.rcPaint.bottom == paintstruct.rcPaint.top))
2675         break;
2676
2677       if (return_exposes)
2678         {
2679           event->expose.type = GDK_EXPOSE;
2680           event->expose.window = window;
2681           event->expose.area.x = paintstruct.rcPaint.left;
2682           event->expose.area.y = paintstruct.rcPaint.top;
2683           event->expose.area.width = paintstruct.rcPaint.right - paintstruct.rcPaint.left;
2684           event->expose.area.height = paintstruct.rcPaint.bottom - paintstruct.rcPaint.top;
2685           event->expose.region = gdk_region_rectangle (&(event->expose.area));
2686           event->expose.count = 0;
2687
2688           return_val = !GDK_WINDOW_DESTROYED (window);
2689           if (return_val)
2690             {
2691               GList *list = gdk_queued_events;
2692               while (list != NULL )
2693                 {
2694                   if ((((GdkEvent *)list->data)->any.type == GDK_EXPOSE) &&
2695                         (((GdkEvent *)list->data)->any.window == window) &&
2696                         !(((GdkEventPrivate *)list->data)->flags & GDK_EVENT_PENDING))
2697                         ((GdkEvent *)list->data)->expose.count++;
2698
2699                     list = list->next;
2700                 }
2701             }
2702         }
2703       else
2704         {
2705           GdkRectangle expose_rect;
2706
2707           expose_rect.x = paintstruct.rcPaint.left;
2708           expose_rect.y = paintstruct.rcPaint.top;
2709           expose_rect.width = paintstruct.rcPaint.right - paintstruct.rcPaint.left;
2710           expose_rect.height = paintstruct.rcPaint.bottom - paintstruct.rcPaint.top;
2711
2712             _gdk_window_process_expose (window, GetMessageTime (), &expose_rect);
2713
2714             return_val = FALSE;
2715         }
2716       break;
2717
2718     case WM_SETCURSOR:
2719       GDK_NOTE (EVENTS, g_print ("WM_SETCURSOR: %#lx %#x %#x\n",
2720                                  (gulong) msg->hwnd,
2721                                  LOWORD (msg->lParam), HIWORD (msg->lParam)));
2722
2723       if (LOWORD (msg->lParam) != HTCLIENT)
2724         break;
2725
2726       if (p_grab_window != NULL && p_grab_cursor != NULL)
2727         hcursor = p_grab_cursor;
2728       else if (!GDK_WINDOW_DESTROYED (window))
2729         hcursor = window_impl->hcursor;
2730       else
2731         hcursor = NULL;
2732
2733       if (hcursor != NULL)
2734         {
2735           GDK_NOTE (EVENTS, g_print ("...SetCursor(%#lx)\n", (gulong) hcursor));
2736           SetCursor (hcursor);
2737           *ret_val_flagp = TRUE;
2738           *ret_valp = TRUE;
2739         }
2740       break;
2741
2742     case WM_SHOWWINDOW:
2743       GDK_NOTE (EVENTS, g_print ("WM_SHOWWINDOW: %#lx  %d\n",
2744                                  (gulong) msg->hwnd,
2745                                  msg->wParam));
2746
2747       if (!(window_impl->event_mask & GDK_STRUCTURE_MASK))
2748         break;
2749
2750       event->any.type = (msg->wParam ? GDK_MAP : GDK_UNMAP);
2751       event->any.window = window;
2752
2753       if (event->any.type == GDK_UNMAP
2754           && p_grab_window == window)
2755         gdk_pointer_ungrab (msg->time);
2756
2757       if (event->any.type == GDK_UNMAP
2758           && k_grab_window == window)
2759         gdk_keyboard_ungrab (msg->time);
2760
2761       return_val = !GDK_WINDOW_DESTROYED (window);
2762       break;
2763
2764     case WM_SIZE:
2765       GDK_NOTE (EVENTS,
2766                 g_print ("WM_SIZE: %#lx  %s %dx%d\n",
2767                          (gulong) msg->hwnd,
2768                          (msg->wParam == SIZE_MAXHIDE ? "MAXHIDE" :
2769                           (msg->wParam == SIZE_MAXIMIZED ? "MAXIMIZED" :
2770                            (msg->wParam == SIZE_MAXSHOW ? "MAXSHOW" :
2771                             (msg->wParam == SIZE_MINIMIZED ? "MINIMIZED" :
2772                              (msg->wParam == SIZE_RESTORED ? "RESTORED" : "?"))))),
2773                          LOWORD (msg->lParam), HIWORD (msg->lParam)));
2774
2775       if (!(window_impl->event_mask & GDK_STRUCTURE_MASK))
2776         break;
2777
2778       if (msg->wParam == SIZE_MINIMIZED)
2779         {
2780           event->any.type = GDK_UNMAP;
2781           event->any.window = window;
2782
2783           if (p_grab_window == window)
2784             gdk_pointer_ungrab (msg->time);
2785
2786           if (k_grab_window == window)
2787             gdk_keyboard_ungrab (msg->time);
2788
2789           return_val = !GDK_WINDOW_DESTROYED (window);
2790         }
2791       else if ((msg->wParam == SIZE_RESTORED
2792                 || msg->wParam == SIZE_MAXIMIZED)
2793 #if 1
2794                && GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD
2795 #endif
2796                                                                  )
2797         {
2798           if (LOWORD (msg->lParam) == 0)
2799             break;
2800
2801           event->configure.type = GDK_CONFIGURE;
2802           event->configure.window = window;
2803           pt.x = 0;
2804           pt.y = 0;
2805           ClientToScreen (msg->hwnd, &pt);
2806           event->configure.x = pt.x;
2807           event->configure.y = pt.y;
2808           event->configure.width = LOWORD (msg->lParam);
2809           event->configure.height = HIWORD (msg->lParam);
2810           GDK_WINDOW_OBJECT (window)->x = event->configure.x;
2811           GDK_WINDOW_OBJECT (window)->y = event->configure.y;
2812           window_impl->width = event->configure.width;
2813           window_impl->height = event->configure.height;
2814
2815           if (GDK_WINDOW_OBJECT (window)->resize_count > 1)
2816             GDK_WINDOW_OBJECT (window)->resize_count -= 1;
2817
2818           return_val = !GDK_WINDOW_DESTROYED (window);
2819           if (return_val
2820               && GDK_WINDOW_OBJECT (window)->extension_events != 0)
2821             _gdk_input_configure_event (&event->configure, window);
2822         }
2823       break;
2824
2825     case WM_GETMINMAXINFO:
2826       GDK_NOTE (EVENTS, g_print ("WM_GETMINMAXINFO: %#lx\n", (gulong) msg->hwnd));
2827
2828       mmi = (MINMAXINFO*) msg->lParam;
2829       if (window_impl->hint_flags & GDK_HINT_MIN_SIZE)
2830         {
2831           mmi->ptMinTrackSize.x = window_impl->hint_min_width;
2832           mmi->ptMinTrackSize.y = window_impl->hint_min_height;
2833         }
2834       if (window_impl->hint_flags & GDK_HINT_MAX_SIZE)
2835         {
2836           mmi->ptMaxTrackSize.x = window_impl->hint_max_width;
2837           mmi->ptMaxTrackSize.y = window_impl->hint_max_height;
2838
2839           mmi->ptMaxSize.x = window_impl->hint_max_width;
2840           mmi->ptMaxSize.y = window_impl->hint_max_height;
2841         }
2842       break;
2843
2844     case WM_MOVE:
2845       GDK_NOTE (EVENTS, g_print ("WM_MOVE: %#lx  (%d,%d)\n",
2846                                  (gulong) msg->hwnd,
2847                                  LOWORD (msg->lParam), HIWORD (msg->lParam)));
2848
2849       if (!(window_impl->event_mask & GDK_STRUCTURE_MASK))
2850         break;
2851
2852       if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD
2853           && !IsIconic(msg->hwnd)
2854           && IsWindowVisible(msg->hwnd))
2855         {
2856           event->configure.type = GDK_CONFIGURE;
2857           event->configure.window = window;
2858           event->configure.x = LOWORD (msg->lParam);
2859           event->configure.y = HIWORD (msg->lParam);
2860           GetClientRect (msg->hwnd, &rect);
2861           event->configure.width = rect.right;
2862           event->configure.height = rect.bottom;
2863           GDK_WINDOW_OBJECT (window)->x = event->configure.x;
2864           GDK_WINDOW_OBJECT (window)->y = event->configure.y;
2865           window_impl->width = event->configure.width;
2866           window_impl->height = event->configure.height;
2867
2868           return_val = !GDK_WINDOW_DESTROYED (window);
2869         }
2870       break;
2871
2872     case WM_CLOSE:
2873       GDK_NOTE (EVENTS, g_print ("WM_CLOSE: %#lx\n", (gulong) msg->hwnd));
2874
2875       event->any.type = GDK_DELETE;
2876       event->any.window = window;
2877
2878       return_val = !GDK_WINDOW_DESTROYED (window);
2879       break;
2880
2881 #if 0
2882     /* No, don't use delayed rendering after all. It works only if the
2883      * delayed SetClipboardData is called from the WindowProc, it
2884      * seems. (The #else part below is test code for that. It succeeds
2885      * in setting the clipboard data. But if I call SetClipboardData
2886      * in gdk_property_change (as a consequence of the
2887      * GDK_SELECTION_REQUEST event), it fails.  I deduce that this is
2888      * because delayed rendering requires that SetClipboardData is
2889      * called in the window procedure.)
2890      */
2891     case WM_RENDERFORMAT:
2892     case WM_RENDERALLFORMATS:
2893       flag = FALSE;
2894       GDK_NOTE (EVENTS, flag = TRUE);
2895       if (flag)
2896         g_print ("WM_%s: %#lx %#x (%s)\n",
2897                  (msg->message == WM_RENDERFORMAT ? "RENDERFORMAT" :
2898                   "RENDERALLFORMATS"),
2899                  (gulong) msg->hwnd,
2900                  msg->wParam,
2901                  (msg->wParam == CF_TEXT ? "CF_TEXT" :
2902                   (msg->wParam == CF_DIB ? "CF_DIB" :
2903                    (msg->wParam == CF_UNICODETEXT ? "CF_UNICODETEXT" :
2904                     (GetClipboardFormatName (msg->wParam, buf, sizeof (buf)), buf)))));
2905
2906 #if 0
2907       event->selection.type = GDK_SELECTION_REQUEST;
2908       event->selection.window = window;
2909       event->selection.selection = gdk_clipboard_atom;
2910       if (msg->wParam == CF_TEXT)
2911         event->selection.target = GDK_TARGET_STRING;
2912       else
2913         {
2914           GetClipboardFormatName (msg->wParam, buf, sizeof (buf));
2915           event->selection.target = gdk_atom_intern (buf, FALSE);
2916         }
2917       event->selection.property = gdk_selection_property;
2918       event->selection.requestor = (guint32) msg->hwnd;
2919       event->selection.time = msg->time;
2920       return_val = !GDK_WINDOW_DESTROYED (window);
2921 #else
2922       /* Test code, to see if SetClipboardData works when called from
2923        * the window procedure.
2924        */
2925       {
2926         HGLOBAL hdata = GlobalAlloc (GMEM_MOVEABLE|GMEM_DDESHARE, 10);
2927         char *ptr = GlobalLock (hdata);
2928         strcpy (ptr, "Huhhaa");
2929         GlobalUnlock (hdata);
2930         if (!SetClipboardData (CF_TEXT, hdata))
2931           WIN32_API_FAILED ("SetClipboardData");
2932       }
2933       *ret_valp = 0;
2934       *ret_val_flagp = TRUE;
2935       return_val = FALSE;
2936 #endif
2937       break;
2938 #endif /* No delayed rendering */
2939
2940     case WM_DESTROY:
2941       GDK_NOTE (EVENTS, g_print ("WM_DESTROY: %#lx\n", (gulong) msg->hwnd));
2942
2943       event->any.type = GDK_DESTROY;
2944       event->any.window = window;
2945       if (window != NULL && window == current_window)
2946         {
2947           gdk_drawable_unref (current_window);
2948           current_window = NULL;
2949         }
2950
2951       if (p_grab_window == window)
2952         gdk_pointer_ungrab (msg->time);
2953
2954       if (k_grab_window == window)
2955         gdk_keyboard_ungrab (msg->time);
2956
2957       return_val = window != NULL && !GDK_WINDOW_DESTROYED (window);
2958
2959       if ((window != NULL) && (gdk_root_window != msg->hwnd))
2960         gdk_window_destroy_notify (window);
2961
2962       break;
2963
2964 #ifdef HAVE_WINTAB
2965       /* Handle WINTAB events here, as we know that gdkinput.c will
2966        * use the fixed WT_DEFBASE as lcMsgBase, and we thus can use the
2967        * constants as case labels.
2968        */
2969     case WT_PACKET:
2970       GDK_NOTE (EVENTS, g_print ("WT_PACKET: %#lx %d %#lx\n",
2971                                  (gulong) msg->hwnd,
2972                                  msg->wParam, msg->lParam));
2973       goto wintab;
2974
2975     case WT_CSRCHANGE:
2976       GDK_NOTE (EVENTS, g_print ("WT_CSRCHANGE: %#lx %d %#lx\n",
2977                                  (gulong) msg->hwnd,
2978                                  msg->wParam, msg->lParam));
2979       goto wintab;
2980
2981     case WT_PROXIMITY:
2982       GDK_NOTE (EVENTS, g_print ("WT_PROXIMITY: %#lx %#x %d %d\n",
2983                                  (gulong) msg->hwnd, msg->wParam,
2984                                  LOWORD (msg->lParam),
2985                                  HIWORD (msg->lParam)));
2986       /* Fall through */
2987     wintab:
2988       event->any.window = window;
2989       return_val = _gdk_input_other_event(event, msg, window);
2990       break;
2991 #endif
2992
2993     default:
2994       GDK_NOTE (EVENTS, g_print ("%s: %#lx %#x %#lx\n",
2995                                  gdk_win32_message_name (msg->message),
2996                                  (gulong) msg->hwnd,
2997                                  msg->wParam, msg->lParam));
2998     }
2999
3000 done:
3001
3002   if (return_val)
3003     {
3004       if (event->any.window)
3005         gdk_drawable_ref (event->any.window);
3006       if (((event->any.type == GDK_ENTER_NOTIFY) ||
3007            (event->any.type == GDK_LEAVE_NOTIFY)) &&
3008           (event->crossing.subwindow != NULL))
3009         gdk_drawable_ref (event->crossing.subwindow);
3010
3011       GDK_NOTE (EVENTS, print_event (event));
3012     }
3013   else
3014     {
3015       /* Mark this event as having no resources to be freed */
3016       event->any.window = NULL;
3017       event->any.type = GDK_NOTHING;
3018     }
3019
3020   if (window)
3021     gdk_drawable_unref (window);
3022
3023   return return_val;
3024 }
3025
3026 void
3027 gdk_events_queue (void)
3028 {
3029   MSG msg;
3030
3031   while (!gdk_event_queue_find_first ()
3032          && PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
3033     {
3034       GDK_NOTE (EVENTS, g_print ("PeekMessage: %#lx %s\n",
3035                                  (gulong) msg.hwnd, gdk_win32_message_name (msg.message)));
3036
3037       if (active_imm_msgpump_owner == NULL
3038           || (active_imm_msgpump_owner->lpVtbl->OnTranslateMessage) (active_imm_msgpump_owner, &msg) != S_OK)
3039         TranslateMessage (&msg);
3040
3041       DispatchMessage (&msg);
3042     }
3043 }
3044
3045 static gboolean
3046 gdk_event_prepare (GSource *source,
3047                    gint    *timeout)
3048 {
3049   MSG msg;
3050   gboolean retval;
3051
3052   GDK_THREADS_ENTER ();
3053
3054   *timeout = -1;
3055
3056   retval = (gdk_event_queue_find_first () != NULL)
3057               || PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE);
3058
3059   GDK_THREADS_LEAVE ();
3060
3061   return retval;
3062 }
3063
3064 static gboolean
3065 gdk_event_check (GSource *source)
3066 {
3067   MSG msg;
3068   gboolean retval;
3069
3070   GDK_THREADS_ENTER ();
3071
3072   if (event_poll_fd.revents & G_IO_IN)
3073     retval = (gdk_event_queue_find_first () != NULL)
3074               || PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE);
3075   else
3076     retval = FALSE;
3077
3078   GDK_THREADS_LEAVE ();
3079
3080   return retval;
3081 }
3082
3083 static gboolean
3084 gdk_event_dispatch (GSource     *source,
3085                     GSourceFunc  callback,
3086                     gpointer     user_data)
3087 {
3088   GdkEvent *event;
3089
3090   GDK_THREADS_ENTER ();
3091
3092   gdk_events_queue();
3093   event = gdk_event_unqueue();
3094
3095   if (event)
3096     {
3097       if (gdk_event_func)
3098         (*gdk_event_func) (event, gdk_event_data);
3099
3100       gdk_event_free (event);
3101     }
3102
3103   GDK_THREADS_LEAVE ();
3104
3105   return TRUE;
3106 }
3107
3108 /* Sends a ClientMessage to all toplevel client windows */
3109 gboolean
3110 gdk_event_send_client_message (GdkEvent *event, guint32 xid)
3111 {
3112   /* XXX */
3113   return FALSE;
3114 }
3115
3116 void
3117 gdk_event_send_clientmessage_toall (GdkEvent *event)
3118 {
3119   /* XXX */
3120 }
3121
3122 void
3123 gdk_flush (void)
3124 {
3125   GdiFlush ();
3126 }
3127
3128 #ifdef G_ENABLE_DEBUG
3129
3130 gchar *
3131 gdk_win32_message_name (UINT msg)
3132 {
3133   static gchar bfr[100];
3134
3135   switch (msg)
3136     {
3137 #define CASE(x) case x: return #x
3138       CASE (WM_NULL);
3139       CASE (WM_CREATE);
3140       CASE (WM_DESTROY);
3141       CASE (WM_MOVE);
3142       CASE (WM_SIZE);
3143       CASE (WM_ACTIVATE);
3144       CASE (WM_SETFOCUS);
3145       CASE (WM_KILLFOCUS);
3146       CASE (WM_ENABLE);
3147       CASE (WM_SETREDRAW);
3148       CASE (WM_SETTEXT);
3149       CASE (WM_GETTEXT);
3150       CASE (WM_GETTEXTLENGTH);
3151       CASE (WM_PAINT);
3152       CASE (WM_CLOSE);
3153       CASE (WM_QUERYENDSESSION);
3154       CASE (WM_QUERYOPEN);
3155       CASE (WM_ENDSESSION);
3156       CASE (WM_QUIT);
3157       CASE (WM_ERASEBKGND);
3158       CASE (WM_SYSCOLORCHANGE);
3159       CASE (WM_SHOWWINDOW);
3160       CASE (WM_WININICHANGE);
3161       CASE (WM_DEVMODECHANGE);
3162       CASE (WM_ACTIVATEAPP);
3163       CASE (WM_FONTCHANGE);
3164       CASE (WM_TIMECHANGE);
3165       CASE (WM_CANCELMODE);
3166       CASE (WM_SETCURSOR);
3167       CASE (WM_MOUSEACTIVATE);
3168       CASE (WM_CHILDACTIVATE);
3169       CASE (WM_QUEUESYNC);
3170       CASE (WM_GETMINMAXINFO);
3171       CASE (WM_PAINTICON);
3172       CASE (WM_ICONERASEBKGND);
3173       CASE (WM_NEXTDLGCTL);
3174       CASE (WM_SPOOLERSTATUS);
3175       CASE (WM_DRAWITEM);
3176       CASE (WM_MEASUREITEM);
3177       CASE (WM_DELETEITEM);
3178       CASE (WM_VKEYTOITEM);
3179       CASE (WM_CHARTOITEM);
3180       CASE (WM_SETFONT);
3181       CASE (WM_GETFONT);
3182       CASE (WM_SETHOTKEY);
3183       CASE (WM_GETHOTKEY);
3184       CASE (WM_QUERYDRAGICON);
3185       CASE (WM_COMPAREITEM);
3186       CASE (WM_GETOBJECT);
3187       CASE (WM_COMPACTING);
3188       CASE (WM_WINDOWPOSCHANGING);
3189       CASE (WM_WINDOWPOSCHANGED);
3190       CASE (WM_POWER);
3191       CASE (WM_COPYDATA);
3192       CASE (WM_CANCELJOURNAL);
3193       CASE (WM_NOTIFY);
3194       CASE (WM_INPUTLANGCHANGEREQUEST);
3195       CASE (WM_INPUTLANGCHANGE);
3196       CASE (WM_TCARD);
3197       CASE (WM_HELP);
3198       CASE (WM_USERCHANGED);
3199       CASE (WM_NOTIFYFORMAT);
3200       CASE (WM_CONTEXTMENU);
3201       CASE (WM_STYLECHANGING);
3202       CASE (WM_STYLECHANGED);
3203       CASE (WM_DISPLAYCHANGE);
3204       CASE (WM_GETICON);
3205       CASE (WM_SETICON);
3206       CASE (WM_NCCREATE);
3207       CASE (WM_NCDESTROY);
3208       CASE (WM_NCCALCSIZE);
3209       CASE (WM_NCHITTEST);
3210       CASE (WM_NCPAINT);
3211       CASE (WM_NCACTIVATE);
3212       CASE (WM_GETDLGCODE);
3213       CASE (WM_SYNCPAINT);
3214       CASE (WM_NCMOUSEMOVE);
3215       CASE (WM_NCLBUTTONDOWN);
3216       CASE (WM_NCLBUTTONUP);
3217       CASE (WM_NCLBUTTONDBLCLK);
3218       CASE (WM_NCRBUTTONDOWN);
3219       CASE (WM_NCRBUTTONUP);
3220       CASE (WM_NCRBUTTONDBLCLK);
3221       CASE (WM_NCMBUTTONDOWN);
3222       CASE (WM_NCMBUTTONUP);
3223       CASE (WM_NCMBUTTONDBLCLK);
3224       CASE (WM_NCXBUTTONDOWN);
3225       CASE (WM_NCXBUTTONUP);
3226       CASE (WM_NCXBUTTONDBLCLK);
3227       CASE (WM_KEYDOWN);
3228       CASE (WM_KEYUP);
3229       CASE (WM_CHAR);
3230       CASE (WM_DEADCHAR);
3231       CASE (WM_SYSKEYDOWN);
3232       CASE (WM_SYSKEYUP);
3233       CASE (WM_SYSCHAR);
3234       CASE (WM_SYSDEADCHAR);
3235       CASE (WM_KEYLAST);
3236       CASE (WM_IME_STARTCOMPOSITION);
3237       CASE (WM_IME_ENDCOMPOSITION);
3238       CASE (WM_IME_COMPOSITION);
3239       CASE (WM_INITDIALOG);
3240       CASE (WM_COMMAND);
3241       CASE (WM_SYSCOMMAND);
3242       CASE (WM_TIMER);
3243       CASE (WM_HSCROLL);
3244       CASE (WM_VSCROLL);
3245       CASE (WM_INITMENU);
3246       CASE (WM_INITMENUPOPUP);
3247       CASE (WM_MENUSELECT);
3248       CASE (WM_MENUCHAR);
3249       CASE (WM_ENTERIDLE);
3250       CASE (WM_MENURBUTTONUP);
3251       CASE (WM_MENUDRAG);
3252       CASE (WM_MENUGETOBJECT);
3253       CASE (WM_UNINITMENUPOPUP);
3254       CASE (WM_MENUCOMMAND);
3255       CASE (WM_CHANGEUISTATE);
3256       CASE (WM_UPDATEUISTATE);
3257       CASE (WM_QUERYUISTATE);
3258       CASE (WM_CTLCOLORMSGBOX);
3259       CASE (WM_CTLCOLOREDIT);
3260       CASE (WM_CTLCOLORLISTBOX);
3261       CASE (WM_CTLCOLORBTN);
3262       CASE (WM_CTLCOLORDLG);
3263       CASE (WM_CTLCOLORSCROLLBAR);
3264       CASE (WM_CTLCOLORSTATIC);
3265       CASE (WM_MOUSEMOVE);
3266       CASE (WM_LBUTTONDOWN);
3267       CASE (WM_LBUTTONUP);
3268       CASE (WM_LBUTTONDBLCLK);
3269       CASE (WM_RBUTTONDOWN);
3270       CASE (WM_RBUTTONUP);
3271       CASE (WM_RBUTTONDBLCLK);
3272       CASE (WM_MBUTTONDOWN);
3273       CASE (WM_MBUTTONUP);
3274       CASE (WM_MBUTTONDBLCLK);
3275       CASE (WM_MOUSEWHEEL);
3276       CASE (WM_XBUTTONDOWN);
3277       CASE (WM_XBUTTONUP);
3278       CASE (WM_XBUTTONDBLCLK);
3279       CASE (WM_PARENTNOTIFY);
3280       CASE (WM_ENTERMENULOOP);
3281       CASE (WM_EXITMENULOOP);
3282       CASE (WM_NEXTMENU);
3283       CASE (WM_SIZING);
3284       CASE (WM_CAPTURECHANGED);
3285       CASE (WM_MOVING);
3286       CASE (WM_POWERBROADCAST);
3287       CASE (WM_DEVICECHANGE);
3288       CASE (WM_MDICREATE);
3289       CASE (WM_MDIDESTROY);
3290       CASE (WM_MDIACTIVATE);
3291       CASE (WM_MDIRESTORE);
3292       CASE (WM_MDINEXT);
3293       CASE (WM_MDIMAXIMIZE);
3294       CASE (WM_MDITILE);
3295       CASE (WM_MDICASCADE);
3296       CASE (WM_MDIICONARRANGE);
3297       CASE (WM_MDIGETACTIVE);
3298       CASE (WM_MDISETMENU);
3299       CASE (WM_ENTERSIZEMOVE);
3300       CASE (WM_EXITSIZEMOVE);
3301       CASE (WM_DROPFILES);
3302       CASE (WM_MDIREFRESHMENU);
3303       CASE (WM_IME_SETCONTEXT);
3304       CASE (WM_IME_NOTIFY);
3305       CASE (WM_IME_CONTROL);
3306       CASE (WM_IME_COMPOSITIONFULL);
3307       CASE (WM_IME_SELECT);
3308       CASE (WM_IME_CHAR);
3309       CASE (WM_IME_REQUEST);
3310       CASE (WM_IME_KEYDOWN);
3311       CASE (WM_IME_KEYUP);
3312       CASE (WM_MOUSEHOVER);
3313       CASE (WM_MOUSELEAVE);
3314       CASE (WM_NCMOUSEHOVER);
3315       CASE (WM_NCMOUSELEAVE);
3316       CASE (WM_CUT);
3317       CASE (WM_COPY);
3318       CASE (WM_PASTE);
3319       CASE (WM_CLEAR);
3320       CASE (WM_UNDO);
3321       CASE (WM_RENDERFORMAT);
3322       CASE (WM_RENDERALLFORMATS);
3323       CASE (WM_DESTROYCLIPBOARD);
3324       CASE (WM_DRAWCLIPBOARD);
3325       CASE (WM_PAINTCLIPBOARD);
3326       CASE (WM_VSCROLLCLIPBOARD);
3327       CASE (WM_SIZECLIPBOARD);
3328       CASE (WM_ASKCBFORMATNAME);
3329       CASE (WM_CHANGECBCHAIN);
3330       CASE (WM_HSCROLLCLIPBOARD);
3331       CASE (WM_QUERYNEWPALETTE);
3332       CASE (WM_PALETTEISCHANGING);
3333       CASE (WM_PALETTECHANGED);
3334       CASE (WM_HOTKEY);
3335       CASE (WM_PRINT);
3336       CASE (WM_PRINTCLIENT);
3337       CASE (WM_APPCOMMAND);
3338       CASE (WM_HANDHELDFIRST);
3339       CASE (WM_HANDHELDLAST);
3340       CASE (WM_AFXFIRST);
3341       CASE (WM_AFXLAST);
3342       CASE (WM_PENWINFIRST);
3343       CASE (WM_PENWINLAST);
3344       CASE (WM_APP);
3345 #undef CASE
3346     default:
3347       if (msg >= WM_HANDHELDFIRST && msg <= WM_HANDHELDLAST)
3348         sprintf (bfr, "WM_HANDHELDFIRST+%d", msg - WM_HANDHELDFIRST);
3349       else if (msg >= WM_AFXFIRST && msg <= WM_AFXLAST)
3350         sprintf (bfr, "WM_AFXFIRST+%d", msg - WM_AFXFIRST);
3351       else if (msg >= WM_PENWINFIRST && msg <= WM_PENWINLAST)
3352         sprintf (bfr, "WM_PENWINFIRST+%d", msg - WM_PENWINFIRST);
3353       else if (msg >= WM_USER && msg <= 0x7FFF)
3354         sprintf (bfr, "WM_USER+%d", msg - WM_USER);
3355       else if (msg >= 0xC000 && msg <= 0xFFFF)
3356         sprintf (bfr, "reg-%#x", msg);
3357       else
3358         sprintf (bfr, "unk-%#x", msg);
3359       return bfr;
3360     }
3361   g_assert_not_reached ();
3362 }
3363
3364 #endif /* G_ENABLE_DEBUG */