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) 1998-2002 Tor Lillqvist
   4  * Copyright (C) 2001,2009 Hans Breuer
   5  * Copyright (C) 2007-2009 Cody Russell
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the
  19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20  * Boston, MA 02111-1307, USA.
  21  */
  22
  23 /*
  24  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  25  * file for a list of people on the GTK+ Team.  See the ChangeLog
  26  * files for a list of changes.  These files are distributed with
  27  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  28  */
  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  * Update: a combination of TrackMouseEvent, GetCursorPos and
  38  * GetWindowPos can and is actually used to get rid of those
  39  * pesky tooltips. It should be possible to use this for the
  40  * whole ENTER/LEAVE NOTIFY handling but some platforms may
  41  * not have TrackMouseEvent at all (?) --hb
  42  */
  43
  44 #include "config.h"
  45
  46 #include <glib/gprintf.h>
  47
  48 #include "gdk.h"
  49 #include "gdkdisplayprivate.h"
  50 #include "gdkprivate-win32.h"
  51 #include "gdkwin32.h"
  52 #include "gdkkeysyms.h"
  53 #include "gdkdevicemanager-win32.h"
  54 #include "gdkdeviceprivate.h"
  55 #include "gdkdevice-wintab.h"
  56 #include "gdkwin32dnd.h"
  57 #include "gdkdndprivate.h"
  58
  59 #include <windowsx.h>
  60
  61 #ifdef G_WITH_CYGWIN
  62 #include <fcntl.h>
  63 #include <errno.h>
  64 #endif
  65
  66 #include <objbase.h>
  67
  68 #include <imm.h>
  69
  70 #ifndef XBUTTON1
  71 #define XBUTTON1 1
  72 #define XBUTTON2 2
  73 #endif
  74
  75 #ifndef VK_XBUTTON1
  76 #define VK_XBUTTON1 5
  77 #define VK_XBUTTON2 6
  78 #endif
  79
  80 #ifndef MK_XBUTTON1
  81 #define MK_XBUTTON1 32
  82 #define MK_XBUTTON2 64
  83 #endif
  84
  85 /*
  86  * Private function declarations
  87  */
  88
  89 static gboolean gdk_event_translate (MSG        *msg,
  90                                      gint       *ret_valp);
  91 static void     handle_wm_paint     (MSG        *msg,
  92                                      GdkWindow  *window,
  93                                      gboolean    return_exposes,
  94                                      GdkEvent  **event);
  95
  96 static gboolean gdk_event_prepare  (GSource     *source,
  97                                     gint        *timeout);
  98 static gboolean gdk_event_check    (GSource     *source);
  99 static gboolean gdk_event_dispatch (GSource     *source,
 100                                     GSourceFunc  callback,
 101                                     gpointer     user_data);
 102
 103 static void append_event (GdkEvent *event);
 104 static gboolean is_modally_blocked (GdkWindow   *window);
 105
 106 /* Private variable declarations
 107  */
 108
 109 static GList *client_filters;   /* Filters for client messages */
 110 extern gint       _gdk_input_ignore_core;
 111
 112 static HCURSOR p_grab_cursor;
 113
 114 static GSourceFuncs event_funcs = {
 115   gdk_event_prepare,
 116   gdk_event_check,
 117   gdk_event_dispatch,
 118   NULL
 119 };
 120
 121 GPollFD event_poll_fd;
 122
 123 static GdkWindow *current_toplevel = NULL;
 124 static gint current_x, current_y;
 125 static gint current_root_x, current_root_y;
 126 static UINT client_message;
 127
 128 static UINT got_gdk_events_message;
 129 static HWND modal_win32_dialog = NULL;
 130
 131 #if 0
 132 static HKL latin_locale = NULL;
 133 #endif
 134
 135 static gboolean in_ime_composition = FALSE;
 136 static UINT     modal_timer;
 137 static UINT     sync_timer = 0;
 138
 139 static int debug_indent = 0;
 140
 141 static void
 142 synthesize_enter_or_leave_event (GdkWindow      *window,
 143                                  MSG            *msg,
 144                                  GdkEventType    type,
 145                                  GdkCrossingMode mode,
 146                                  GdkNotifyType detail);
 147
 148 static void
 149 assign_object (gpointer lhsp,
 150                gpointer rhs)
 151 {
 152   if (*(gpointer *)lhsp != rhs)
 153     {
 154       if (*(gpointer *)lhsp != NULL)
 155         g_object_unref (*(gpointer *)lhsp);
 156       *(gpointer *)lhsp = rhs;
 157       if (rhs != NULL)
 158         g_object_ref (rhs);
 159     }
 160 }
 161
 162 static void
 163 track_mouse_event (DWORD dwFlags,
 164                    HWND  hwnd)
 165 {
 166   TRACKMOUSEEVENT tme;
 167
 168   tme.cbSize = sizeof(TRACKMOUSEEVENT);
 169   tme.dwFlags = dwFlags;
 170   tme.hwndTrack = hwnd;
 171   tme.dwHoverTime = HOVER_DEFAULT; /* not used */
 172
 173   if (!TrackMouseEvent (&tme))
 174     WIN32_API_FAILED ("TrackMouseEvent");
 175   else if (dwFlags == TME_LEAVE)
 176     GDK_NOTE (EVENTS, g_print(" (TrackMouseEvent %p)", hwnd));
 177   else if (dwFlags == TME_CANCEL)
 178     GDK_NOTE (EVENTS, g_print(" (cancel TrackMouseEvent %p)", hwnd));
 179 }
 180
 181 gulong
 182 _gdk_win32_get_next_tick (gulong suggested_tick)
 183 {
 184   static gulong cur_tick = 0;
 185
 186   if (suggested_tick == 0)
 187     suggested_tick = GetTickCount ();
 188   if (suggested_tick <= cur_tick)
 189     return cur_tick;
 190   else
 191     return cur_tick = suggested_tick;
 192 }
 193
 194 static void
 195 generate_focus_event (GdkDeviceManager *device_manager,
 196                       GdkWindow        *window,
 197                       gboolean          in)
 198 {
 199   GdkDevice *device;
 200   GdkEvent *event;
 201
 202   device = GDK_DEVICE_MANAGER_WIN32 (device_manager)->core_keyboard;
 203
 204   event = gdk_event_new (GDK_FOCUS_CHANGE);
 205   event->focus_change.window = window;
 206   event->focus_change.in = in;
 207   gdk_event_set_device (event, device);
 208
 209   append_event (event);
 210 }
 211
 212 static void
 213 generate_grab_broken_event (GdkDeviceManager *device_manager,
 214                             GdkWindow        *window,
 215                             gboolean          keyboard,
 216                             GdkWindow        *grab_window)
 217 {
 218   GdkEvent *event = gdk_event_new (GDK_GRAB_BROKEN);
 219   GdkDevice *device;
 220
 221   if (keyboard)
 222     device = GDK_DEVICE_MANAGER_WIN32 (device_manager)->core_keyboard;
 223   else
 224     device = GDK_DEVICE_MANAGER_WIN32 (device_manager)->core_pointer;
 225
 226   event->grab_broken.window = window;
 227   event->grab_broken.send_event = 0;
 228   event->grab_broken.keyboard = keyboard;
 229   event->grab_broken.implicit = FALSE;
 230   event->grab_broken.grab_window = grab_window;
 231   gdk_event_set_device (event, device);
 232
 233   append_event (event);
 234 }
 235
 236 static LRESULT
 237 inner_window_procedure (HWND   hwnd,
 238                         UINT   message,
 239                         WPARAM wparam,
 240                         LPARAM lparam)
 241 {
 242   MSG msg;
 243   DWORD pos;
 244   gint ret_val = 0;
 245
 246   msg.hwnd = hwnd;
 247   msg.message = message;
 248   msg.wParam = wparam;
 249   msg.lParam = lparam;
 250   msg.time = _gdk_win32_get_next_tick (0);
 251   pos = GetMessagePos ();
 252   msg.pt.x = GET_X_LPARAM (pos);
 253   msg.pt.y = GET_Y_LPARAM (pos);
 254
 255   if (gdk_event_translate (&msg, &ret_val))
 256     {
 257       /* If gdk_event_translate() returns TRUE, we return ret_val from
 258        * the window procedure.
 259        */
 260       if (modal_win32_dialog)
 261         PostMessageW (modal_win32_dialog, got_gdk_events_message,
 262                       (WPARAM) 1, 0);
 263       return ret_val;
 264     }
 265   else
 266     {
 267       /* Otherwise call DefWindowProcW(). */
 268       GDK_NOTE (EVENTS, g_print (" DefWindowProcW"));
 269       return DefWindowProcW (hwnd, message, wparam, lparam);
 270     }
 271 }
 272
 273 LRESULT CALLBACK
 274 _gdk_win32_window_procedure (HWND   hwnd,
 275                              UINT   message,
 276                              WPARAM wparam,
 277                              LPARAM lparam)
 278 {
 279   LRESULT retval;
 280
 281   GDK_NOTE (EVENTS, g_print ("%s%*s%s %p",
 282                              (debug_indent > 0 ? "\n" : ""),
 283                              debug_indent, "",
 284                              _gdk_win32_message_to_string (message), hwnd));
 285   debug_indent += 2;
 286   retval = inner_window_procedure (hwnd, message, wparam, lparam);
 287   debug_indent -= 2;
 288
 289   GDK_NOTE (EVENTS, g_print (" => %I64d%s", (gint64) retval, (debug_indent == 0 ? "\n" : "")));
 290
 291   return retval;
 292 }
 293
 294 void
 295 _gdk_events_init (void)
 296 {
 297   GSource *source;
 298
 299 #if 0
 300   int i, j, n;
 301
 302   /* List of languages that use a latin keyboard. Somewhat sorted in
 303    * "order of least surprise", in case we have to load one of them if
 304    * the user only has arabic loaded, for instance.
 305    */
 306   static int latin_languages[] = {
 307     LANG_ENGLISH,
 308     LANG_SPANISH,
 309     LANG_PORTUGUESE,
 310     LANG_FRENCH,
 311     LANG_GERMAN,
 312     /* Rest in numeric order */
 313     LANG_CZECH,
 314     LANG_DANISH,
 315     LANG_FINNISH,
 316     LANG_HUNGARIAN,
 317     LANG_ICELANDIC,
 318     LANG_ITALIAN,
 319     LANG_DUTCH,
 320     LANG_NORWEGIAN,
 321     LANG_POLISH,
 322     LANG_ROMANIAN,
 323     LANG_SLOVAK,
 324     LANG_ALBANIAN,
 325     LANG_SWEDISH,
 326     LANG_TURKISH,
 327     LANG_INDONESIAN,
 328     LANG_SLOVENIAN,
 329     LANG_ESTONIAN,
 330     LANG_LATVIAN,
 331     LANG_LITHUANIAN,
 332     LANG_VIETNAMESE,
 333     LANG_AFRIKAANS,
 334     LANG_FAEROESE
 335 #ifdef LANG_SWAHILI
 336    ,LANG_SWAHILI
 337 #endif
 338   };
 339 #endif
 340
 341   client_message = RegisterWindowMessage ("GDK_WIN32_CLIENT_MESSAGE");
 342   got_gdk_events_message = RegisterWindowMessage ("GDK_WIN32_GOT_EVENTS");
 343
 344 #if 0
 345   /* Check if we have some input locale identifier loaded that uses a
 346    * latin keyboard, to be able to get the virtual-key code for the
 347    * latin characters corresponding to ASCII control characters.
 348    */
 349   if ((n = GetKeyboardLayoutList (0, NULL)) == 0)
 350     WIN32_API_FAILED ("GetKeyboardLayoutList");
 351   else
 352     {
 353       HKL *hkl_list = g_new (HKL, n);
 354       if (GetKeyboardLayoutList (n, hkl_list) == 0)
 355         WIN32_API_FAILED ("GetKeyboardLayoutList");
 356       else
 357         {
 358           for (i = 0; latin_locale == NULL && i < n; i++)
 359             for (j = 0; j < G_N_ELEMENTS (latin_languages); j++)
 360               if (PRIMARYLANGID (LOWORD (hkl_list[i])) == latin_languages[j])
 361                 {
 362                   latin_locale = hkl_list [i];
 363                   break;
 364                 }
 365         }
 366       g_free (hkl_list);
 367     }
 368
 369   if (latin_locale == NULL)
 370     {
 371       /* Try to load a keyboard layout with latin characters then.
 372        */
 373       i = 0;
 374       while (latin_locale == NULL && i < G_N_ELEMENTS (latin_languages))
 375         {
 376           char id[9];
 377           g_sprintf (id, "%08x", MAKELANGID (latin_languages[i++], SUBLANG_DEFAULT));
 378           latin_locale = LoadKeyboardLayout (id, KLF_NOTELLSHELL|KLF_SUBSTITUTE_OK);
 379         }
 380     }
 381
 382   GDK_NOTE (EVENTS, g_print ("latin_locale = %08x\n", (guint) latin_locale));
 383 #endif
 384
 385   source = g_source_new (&event_funcs, sizeof (GSource));
 386   g_source_set_name (source, "GDK Win32 event source");
 387   g_source_set_priority (source, GDK_PRIORITY_EVENTS);
 388
 389 #ifdef G_WITH_CYGWIN
 390   event_poll_fd.fd = open ("/dev/windows", O_RDONLY);
 391   if (event_poll_fd.fd == -1)
 392     g_error ("can't open \"/dev/windows\": %s", g_strerror (errno));
 393 #else
 394   event_poll_fd.fd = G_WIN32_MSG_HANDLE;
 395 #endif
 396   event_poll_fd.events = G_IO_IN;
 397
 398   g_source_add_poll (source, &event_poll_fd);
 399   g_source_set_can_recurse (source, TRUE);
 400   g_source_attach (source, NULL);
 401 }
 402
 403 gboolean
 404 _gdk_win32_display_has_pending (GdkDisplay *display)
 405 {
 406   MSG msg;
 407   return (_gdk_event_queue_find_first (display) ||
 408           (modal_win32_dialog == NULL &&
 409            PeekMessageW (&msg, NULL, 0, 0, PM_NOREMOVE)));
 410 }
 411
 412 #if 0 /* Unused, but might be useful to re-introduce in some debugging output? */
 413
 414 static char *
 415 event_mask_string (GdkEventMask mask)
 416 {
 417   static char bfr[500];
 418   char *p = bfr;
 419
 420   *p = '\0';
 421 #define BIT(x) \
 422   if (mask & GDK_##x##_MASK) \
 423     p += g_sprintf (p, "%s" #x, (p > bfr ? " " : ""))
 424   BIT (EXPOSURE);
 425   BIT (POINTER_MOTION);
 426   BIT (POINTER_MOTION_HINT);
 427   BIT (BUTTON_MOTION);
 428   BIT (BUTTON1_MOTION);
 429   BIT (BUTTON2_MOTION);
 430   BIT (BUTTON3_MOTION);
 431   BIT (BUTTON_PRESS);
 432   BIT (BUTTON_RELEASE);
 433   BIT (KEY_PRESS);
 434   BIT (KEY_RELEASE);
 435   BIT (ENTER_NOTIFY);
 436   BIT (LEAVE_NOTIFY);
 437   BIT (FOCUS_CHANGE);
 438   BIT (STRUCTURE);
 439   BIT (PROPERTY_CHANGE);
 440   BIT (VISIBILITY_NOTIFY);
 441   BIT (PROXIMITY_IN);
 442   BIT (PROXIMITY_OUT);
 443   BIT (SUBSTRUCTURE);
 444   BIT (SCROLL);
 445 #undef BIT
 446
 447   return bfr;
 448 }
 449
 450 #endif
 451
 452 GdkGrabStatus
 453 _gdk_windowing_device_grab (GdkDevice    *device,
 454                             GdkWindow    *window,
 455                             GdkWindow    *native_window,
 456                             gboolean      owner_events,
 457                             GdkEventMask        event_mask,
 458                             GdkWindow    *confine_to,
 459                             GdkCursor    *cursor,
 460                             guint32           time)
 461 {
 462   HCURSOR hcursor;
 463   GdkWin32Cursor *cursor_private;
 464   gint return_val;
 465   GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (native_window->impl);
 466
 467   g_return_val_if_fail (window != NULL, 0);
 468   g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
 469   g_return_val_if_fail (confine_to == NULL || GDK_IS_WINDOW (confine_to), 0);
 470
 471   cursor_private = (GdkWin32Cursor*) cursor;
 472
 473   if (!cursor)
 474     hcursor = NULL;
 475   else if ((hcursor = CopyCursor (cursor_private->hcursor)) == NULL)
 476     WIN32_API_FAILED ("CopyCursor");
 477
 478   return_val = GDK_DEVICE_GET_CLASS (device)->grab (device,
 479                                                     native_window,
 480                                                     owner_events,
 481                                                     event_mask,
 482                                                     confine_to,
 483                                                     cursor,
 484                                                     time);
 485
 486   /* TODO_CSW: grab brokens, confine window, input_grab */
 487   if (p_grab_cursor != NULL)
 488     {
 489       if (GetCursor () == p_grab_cursor)
 490         SetCursor (NULL);
 491       DestroyCursor (p_grab_cursor);
 492     }
 493
 494   p_grab_cursor = hcursor;
 495
 496   if (p_grab_cursor != NULL)
 497     SetCursor (p_grab_cursor);
 498   else if (impl->hcursor != NULL)
 499     SetCursor (impl->hcursor);
 500   else
 501     SetCursor (LoadCursor (NULL, IDC_ARROW));
 502
 503   return return_val;
 504 }
 505
 506 static GdkWindow *
 507 find_window_for_mouse_event (GdkWindow* reported_window,
 508                              MSG*       msg)
 509 {
 510   HWND hwnd;
 511   POINTS points;
 512   POINT pt;
 513   GdkWindow* other_window = NULL;
 514   GdkDeviceManagerWin32 *device_manager;
 515
 516   device_manager = GDK_DEVICE_MANAGER_WIN32 (gdk_display_get_device_manager (_gdk_display));
 517
 518   if (!_gdk_display_get_last_device_grab (_gdk_display, device_manager->core_pointer))
 519     return reported_window;
 520
 521   points = MAKEPOINTS (msg->lParam);
 522   pt.x = points.x;
 523   pt.y = points.y;
 524   ClientToScreen (msg->hwnd, &pt);
 525
 526   hwnd = WindowFromPoint (pt);
 527
 528   if (hwnd != NULL)
 529     {
 530       RECT rect;
 531
 532       GetClientRect (hwnd, &rect);
 533       ScreenToClient (hwnd, &pt);
 534       if (!PtInRect (&rect, pt))
 535         return _gdk_root;
 536
 537       other_window = gdk_win32_handle_table_lookup (hwnd);
 538     }
 539
 540   if (other_window == NULL)
 541     return _gdk_root;
 542
 543   /* need to also adjust the coordinates to the new window */
 544   pt.x = points.x;
 545   pt.y = points.y;
 546   ClientToScreen (msg->hwnd, &pt);
 547   ScreenToClient (GDK_WINDOW_HWND (other_window), &pt);
 548   /* ATTENTION: need to update client coords */
 549   msg->lParam = MAKELPARAM (pt.x, pt.y);
 550
 551   return other_window;
 552 }
 553
 554 static void
 555 build_key_event_state (GdkEvent *event,
 556                        BYTE     *key_state)
 557 {
 558   event->key.state = 0;
 559
 560   if (key_state[VK_SHIFT] & 0x80)
 561     event->key.state |= GDK_SHIFT_MASK;
 562
 563   if (key_state[VK_CAPITAL] & 0x01)
 564     event->key.state |= GDK_LOCK_MASK;
 565
 566   if (key_state[VK_LBUTTON] & 0x80)
 567     event->key.state |= GDK_BUTTON1_MASK;
 568   if (key_state[VK_MBUTTON] & 0x80)
 569     event->key.state |= GDK_BUTTON2_MASK;
 570   if (key_state[VK_RBUTTON] & 0x80)
 571     event->key.state |= GDK_BUTTON3_MASK;
 572   if (key_state[VK_XBUTTON1] & 0x80)
 573     event->key.state |= GDK_BUTTON4_MASK;
 574   if (key_state[VK_XBUTTON2] & 0x80)
 575     event->key.state |= GDK_BUTTON5_MASK;
 576
 577   if (_gdk_keyboard_has_altgr &&
 578       (key_state[VK_LCONTROL] & 0x80) &&
 579       (key_state[VK_RMENU] & 0x80))
 580     {
 581       event->key.group = 1;
 582       event->key.state |= GDK_MOD2_MASK;
 583       if (key_state[VK_RCONTROL] & 0x80)
 584         event->key.state |= GDK_CONTROL_MASK;
 585       if (key_state[VK_LMENU] & 0x80)
 586         event->key.state |= GDK_MOD1_MASK;
 587     }
 588   else
 589     {
 590       event->key.group = 0;
 591       if (key_state[VK_CONTROL] & 0x80)
 592         event->key.state |= GDK_CONTROL_MASK;
 593       if (key_state[VK_MENU] & 0x80)
 594         event->key.state |= GDK_MOD1_MASK;
 595     }
 596 }
 597
 598 static gint
 599 build_pointer_event_state (MSG *msg)
 600 {
 601   gint state;
 602
 603   state = 0;
 604
 605   if (msg->wParam & MK_CONTROL)
 606     state |= GDK_CONTROL_MASK;
 607
 608   if ((msg->message != WM_LBUTTONDOWN &&
 609        (msg->wParam & MK_LBUTTON)) ||
 610       msg->message == WM_LBUTTONUP)
 611     state |= GDK_BUTTON1_MASK;
 612
 613   if ((msg->message != WM_MBUTTONDOWN &&
 614        (msg->wParam & MK_MBUTTON)) ||
 615       msg->message == WM_MBUTTONUP)
 616     state |= GDK_BUTTON2_MASK;
 617
 618   if ((msg->message != WM_RBUTTONDOWN &&
 619        (msg->wParam & MK_RBUTTON)) ||
 620       msg->message == WM_RBUTTONUP)
 621     state |= GDK_BUTTON3_MASK;
 622
 623   if (((msg->message != WM_XBUTTONDOWN || HIWORD (msg->wParam) != XBUTTON1) &&
 624        (msg->wParam & MK_XBUTTON1)) ||
 625       (msg->message == WM_XBUTTONUP && HIWORD (msg->wParam) == XBUTTON1))
 626     state |= GDK_BUTTON4_MASK;
 627
 628   if (((msg->message != WM_XBUTTONDOWN || HIWORD (msg->wParam) != XBUTTON2) &&
 629        (msg->wParam & MK_XBUTTON2)) ||
 630       (msg->message == WM_XBUTTONUP && HIWORD (msg->wParam) == XBUTTON2))
 631     state |= GDK_BUTTON5_MASK;
 632
 633   if (msg->wParam & MK_SHIFT)
 634     state |= GDK_SHIFT_MASK;
 635
 636   if (GetKeyState (VK_MENU) < 0)
 637     state |= GDK_MOD1_MASK;
 638
 639   if (GetKeyState (VK_CAPITAL) & 0x1)
 640     state |= GDK_LOCK_MASK;
 641
 642   return state;
 643 }
 644
 645 static void
 646 build_wm_ime_composition_event (GdkEvent *event,
 647                                 MSG      *msg,
 648                                 wchar_t   wc,
 649                                 BYTE     *key_state)
 650 {
 651   event->key.time = _gdk_win32_get_next_tick (msg->time);
 652
 653   build_key_event_state (event, key_state);
 654
 655   event->key.hardware_keycode = 0; /* FIXME: What should it be? */
 656   event->key.string = NULL;
 657   event->key.length = 0;
 658   event->key.keyval = gdk_unicode_to_keyval (wc);
 659 }
 660
 661 #ifdef G_ENABLE_DEBUG
 662
 663 static void
 664 print_event_state (guint state)
 665 {
 666 #define CASE(bit) if (state & GDK_ ## bit ## _MASK) g_print (#bit " ");
 667   CASE (SHIFT);
 668   CASE (LOCK);
 669   CASE (CONTROL);
 670   CASE (MOD1);
 671   CASE (MOD2);
 672   CASE (MOD3);
 673   CASE (MOD4);
 674   CASE (MOD5);
 675   CASE (BUTTON1);
 676   CASE (BUTTON2);
 677   CASE (BUTTON3);
 678   CASE (BUTTON4);
 679   CASE (BUTTON5);
 680 #undef CASE
 681 }
 682
 683 void
 684 _gdk_win32_print_event (const GdkEvent *event)
 685 {
 686   gchar *escaped, *kvname;
 687   gchar *selection_name, *target_name, *property_name;
 688
 689   g_print ("%s%*s===> ", (debug_indent > 0 ? "\n" : ""), debug_indent, "");
 690   switch (event->any.type)
 691     {
 692 #define CASE(x) case x: g_print (#x); break;
 693     CASE (GDK_NOTHING);
 694     CASE (GDK_DELETE);
 695     CASE (GDK_DESTROY);
 696     CASE (GDK_EXPOSE);
 697     CASE (GDK_MOTION_NOTIFY);
 698     CASE (GDK_BUTTON_PRESS);
 699     CASE (GDK_2BUTTON_PRESS);
 700     CASE (GDK_3BUTTON_PRESS);
 701     CASE (GDK_BUTTON_RELEASE);
 702     CASE (GDK_KEY_PRESS);
 703     CASE (GDK_KEY_RELEASE);
 704     CASE (GDK_ENTER_NOTIFY);
 705     CASE (GDK_LEAVE_NOTIFY);
 706     CASE (GDK_FOCUS_CHANGE);
 707     CASE (GDK_CONFIGURE);
 708     CASE (GDK_MAP);
 709     CASE (GDK_UNMAP);
 710     CASE (GDK_PROPERTY_NOTIFY);
 711     CASE (GDK_SELECTION_CLEAR);
 712     CASE (GDK_SELECTION_REQUEST);
 713     CASE (GDK_SELECTION_NOTIFY);
 714     CASE (GDK_PROXIMITY_IN);
 715     CASE (GDK_PROXIMITY_OUT);
 716     CASE (GDK_DRAG_ENTER);
 717     CASE (GDK_DRAG_LEAVE);
 718     CASE (GDK_DRAG_MOTION);
 719     CASE (GDK_DRAG_STATUS);
 720     CASE (GDK_DROP_START);
 721     CASE (GDK_DROP_FINISHED);
 722     CASE (GDK_CLIENT_EVENT);
 723     CASE (GDK_VISIBILITY_NOTIFY);
 724     CASE (GDK_SCROLL);
 725     CASE (GDK_WINDOW_STATE);
 726     CASE (GDK_SETTING);
 727     CASE (GDK_OWNER_CHANGE);
 728     CASE (GDK_GRAB_BROKEN);
 729 #undef CASE
 730     default: g_assert_not_reached ();
 731     }
 732
 733   g_print (" %p ", event->any.window ? GDK_WINDOW_HWND (event->any.window) : NULL);
 734
 735   switch (event->any.type)
 736     {
 737     case GDK_EXPOSE:
 738       g_print ("%s %d",
 739                _gdk_win32_gdkrectangle_to_string (&event->expose.area),
 740                event->expose.count);
 741       break;
 742     case GDK_MOTION_NOTIFY:
 743       g_print ("(%.4g,%.4g) (%.4g,%.4g) %s",
 744                event->motion.x, event->motion.y,
 745                event->motion.x_root, event->motion.y_root,
 746                event->motion.is_hint ? "HINT " : "");
 747       print_event_state (event->motion.state);
 748       break;
 749     case GDK_BUTTON_PRESS:
 750     case GDK_2BUTTON_PRESS:
 751     case GDK_3BUTTON_PRESS:
 752     case GDK_BUTTON_RELEASE:
 753       g_print ("%d (%.4g,%.4g) (%.4g,%.4g) ",
 754                event->button.button,
 755                event->button.x, event->button.y,
 756                event->button.x_root, event->button.y_root);
 757       print_event_state (event->button.state);
 758       break;
 759     case GDK_KEY_PRESS:
 760     case GDK_KEY_RELEASE:
 761       if (event->key.length == 0)
 762         escaped = g_strdup ("");
 763       else
 764         escaped = g_strescape (event->key.string, NULL);
 765       kvname = gdk_keyval_name (event->key.keyval);
 766       g_print ("%#.02x group:%d %s %d:\"%s\" ",
 767                event->key.hardware_keycode, event->key.group,
 768                (kvname ? kvname : "??"),
 769                event->key.length,
 770                escaped);
 771       g_free (escaped);
 772       print_event_state (event->key.state);
 773       break;
 774     case GDK_ENTER_NOTIFY:
 775     case GDK_LEAVE_NOTIFY:
 776       g_print ("%p (%.4g,%.4g) (%.4g,%.4g) %s %s%s",
 777                event->crossing.subwindow == NULL ? NULL : GDK_WINDOW_HWND (event->crossing.subwindow),
 778                event->crossing.x, event->crossing.y,
 779                event->crossing.x_root, event->crossing.y_root,
 780                (event->crossing.mode == GDK_CROSSING_NORMAL ? "NORMAL" :
 781                 (event->crossing.mode == GDK_CROSSING_GRAB ? "GRAB" :
 782                  (event->crossing.mode == GDK_CROSSING_UNGRAB ? "UNGRAB" :
 783                   "???"))),
 784                (event->crossing.detail == GDK_NOTIFY_ANCESTOR ? "ANCESTOR" :
 785                 (event->crossing.detail == GDK_NOTIFY_VIRTUAL ? "VIRTUAL" :
 786                  (event->crossing.detail == GDK_NOTIFY_INFERIOR ? "INFERIOR" :
 787                   (event->crossing.detail == GDK_NOTIFY_NONLINEAR ? "NONLINEAR" :
 788                    (event->crossing.detail == GDK_NOTIFY_NONLINEAR_VIRTUAL ? "NONLINEAR_VIRTUAL" :
 789                     (event->crossing.detail == GDK_NOTIFY_UNKNOWN ? "UNKNOWN" :
 790                      "???")))))),
 791                event->crossing.focus ? " FOCUS" : "");
 792       print_event_state (event->crossing.state);
 793       break;
 794     case GDK_FOCUS_CHANGE:
 795       g_print ("%s", (event->focus_change.in ? "IN" : "OUT"));
 796       break;
 797     case GDK_CONFIGURE:
 798       g_print ("x:%d y:%d w:%d h:%d",
 799                event->configure.x, event->configure.y,
 800                event->configure.width, event->configure.height);
 801       break;
 802     case GDK_SELECTION_CLEAR:
 803     case GDK_SELECTION_REQUEST:
 804     case GDK_SELECTION_NOTIFY:
 805       selection_name = gdk_atom_name (event->selection.selection);
 806       target_name = gdk_atom_name (event->selection.target);
 807       property_name = gdk_atom_name (event->selection.property);
 808       g_print ("sel:%s tgt:%s prop:%s",
 809                selection_name, target_name, property_name);
 810       g_free (selection_name);
 811       g_free (target_name);
 812       g_free (property_name);
 813       break;
 814     case GDK_DRAG_ENTER:
 815     case GDK_DRAG_LEAVE:
 816     case GDK_DRAG_MOTION:
 817     case GDK_DRAG_STATUS:
 818     case GDK_DROP_START:
 819     case GDK_DROP_FINISHED:
 820       if (event->dnd.context != NULL)
 821         g_print ("ctx:%p: %s %s src:%p dest:%p",
 822                  event->dnd.context,
 823                  _gdk_win32_drag_protocol_to_string (event->dnd.context->protocol),
 824                  event->dnd.context->is_source ? "SOURCE" : "DEST",
 825                  event->dnd.context->source_window == NULL ? NULL : GDK_WINDOW_HWND (event->dnd.context->source_window),
 826                  event->dnd.context->dest_window == NULL ? NULL : GDK_WINDOW_HWND (event->dnd.context->dest_window));
 827       break;
 828     case GDK_CLIENT_EVENT:
 829       /* no more GdkEventClient */
 830       break;
 831     case GDK_SCROLL:
 832       g_print ("(%.4g,%.4g) (%.4g,%.4g) %s ",
 833                event->scroll.x, event->scroll.y,
 834                event->scroll.x_root, event->scroll.y_root,
 835                (event->scroll.direction == GDK_SCROLL_UP ? "UP" :
 836                 (event->scroll.direction == GDK_SCROLL_DOWN ? "DOWN" :
 837                  (event->scroll.direction == GDK_SCROLL_LEFT ? "LEFT" :
 838                   (event->scroll.direction == GDK_SCROLL_RIGHT ? "RIGHT" :
 839                    "???")))));
 840       print_event_state (event->scroll.state);
 841       break;
 842     case GDK_WINDOW_STATE:
 843       g_print ("%s: %s",
 844                _gdk_win32_window_state_to_string (event->window_state.changed_mask),
 845                _gdk_win32_window_state_to_string (event->window_state.new_window_state));
 846     case GDK_SETTING:
 847       g_print ("%s: %s",
 848                (event->setting.action == GDK_SETTING_ACTION_NEW ? "NEW" :
 849                 (event->setting.action == GDK_SETTING_ACTION_CHANGED ? "CHANGED" :
 850                  (event->setting.action == GDK_SETTING_ACTION_DELETED ? "DELETED" :
 851                   "???"))),
 852                (event->setting.name ? event->setting.name : "NULL"));
 853     case GDK_GRAB_BROKEN:
 854       g_print ("%s %s %p",
 855                (event->grab_broken.keyboard ? "KEYBOARD" : "POINTER"),
 856                (event->grab_broken.implicit ? "IMPLICIT" : "EXPLICIT"),
 857                (event->grab_broken.grab_window ? GDK_WINDOW_HWND (event->grab_broken.grab_window) : 0));
 858     default:
 859       /* Nothing */
 860       break;
 861     }
 862   g_print ("%s", (debug_indent == 0 ? "\n" : ""));
 863 }
 864
 865 static char *
 866 decode_key_lparam (LPARAM lParam)
 867 {
 868   static char buf[100];
 869   char *p = buf;
 870
 871   if (HIWORD (lParam) & KF_UP)
 872     p += g_sprintf (p, "KF_UP ");
 873   if (HIWORD (lParam) & KF_REPEAT)
 874     p += g_sprintf (p, "KF_REPEAT ");
 875   if (HIWORD (lParam) & KF_ALTDOWN)
 876     p += g_sprintf (p, "KF_ALTDOWN ");
 877   if (HIWORD (lParam) & KF_EXTENDED)
 878     p += g_sprintf (p, "KF_EXTENDED ");
 879   p += g_sprintf (p, "sc:%d rep:%d", LOBYTE (HIWORD (lParam)), LOWORD (lParam));
 880
 881   return buf;
 882 }
 883
 884 #endif
 885
 886 static void
 887 fixup_event (GdkEvent *event)
 888 {
 889   if (event->any.window)
 890     g_object_ref (event->any.window);
 891   if (((event->any.type == GDK_ENTER_NOTIFY) ||
 892        (event->any.type == GDK_LEAVE_NOTIFY)) &&
 893       (event->crossing.subwindow != NULL))
 894     g_object_ref (event->crossing.subwindow);
 895   event->any.send_event = InSendMessage ();
 896 }
 897
 898 static void
 899 append_event (GdkEvent *event)
 900 {
 901   GList *link;
 902
 903   fixup_event (event);
 904 #if 1
 905   link = _gdk_event_queue_append (_gdk_display, event);
 906   GDK_NOTE (EVENTS, _gdk_win32_print_event (event));
 907   /* event morphing, the passed in may not be valid afterwards */
 908   _gdk_windowing_got_event (_gdk_display, link, event, 0);
 909 #else
 910   _gdk_event_queue_append (_gdk_display, event);
 911   GDK_NOTE (EVENTS, _gdk_win32_print_event (event));
 912 #endif
 913 }
 914
 915 static void
 916 fill_key_event_string (GdkEvent *event)
 917 {
 918   gunichar c;
 919   gchar buf[256];
 920
 921   /* Fill in event->string crudely, since various programs
 922    * depend on it.
 923    */
 924
 925   c = 0;
 926   if (event->key.keyval != GDK_KEY_VoidSymbol)
 927     c = gdk_keyval_to_unicode (event->key.keyval);
 928
 929   if (c)
 930     {
 931       gsize bytes_written;
 932       gint len;
 933
 934       /* Apply the control key - Taken from Xlib
 935        */
 936       if (event->key.state & GDK_CONTROL_MASK)
 937         {
 938           if ((c >= '@' && c < '\177') || c == ' ')
 939             c &= 0x1F;
 940           else if (c == '2')
 941             {
 942               event->key.string = g_memdup ("\0\0", 2);
 943               event->key.length = 1;
 944               return;
 945             }
 946           else if (c >= '3' && c <= '7')
 947             c -= ('3' - '\033');
 948           else if (c == '8')
 949             c = '\177';
 950           else if (c == '/')
 951             c = '_' & 0x1F;
 952         }
 953
 954       len = g_unichar_to_utf8 (c, buf);
 955       buf[len] = '\0';
 956
 957       event->key.string = g_locale_from_utf8 (buf, len,
 958                                               NULL, &bytes_written,
 959                                               NULL);
 960       if (event->key.string)
 961         event->key.length = bytes_written;
 962     }
 963   else if (event->key.keyval == GDK_KEY_Escape)
 964     {
 965       event->key.length = 1;
 966       event->key.string = g_strdup ("\033");
 967     }
 968   else if (event->key.keyval == GDK_KEY_Return ||
 969            event->key.keyval == GDK_KEY_KP_Enter)
 970     {
 971       event->key.length = 1;
 972       event->key.string = g_strdup ("\r");
 973     }
 974
 975   if (!event->key.string)
 976     {
 977       event->key.length = 0;
 978       event->key.string = g_strdup ("");
 979     }
 980 }
 981
 982 static GdkFilterReturn
 983 apply_event_filters (GdkWindow  *window,
 984                      MSG        *msg,
 985                      GList     **filters)
 986 {
 987   GdkFilterReturn result = GDK_FILTER_CONTINUE;
 988   GdkEvent *event;
 989   GList *node;
 990   GList *tmp_list;
 991
 992   event = gdk_event_new (GDK_NOTHING);
 993   if (window != NULL)
 994     event->any.window = g_object_ref (window);
 995   ((GdkEventPrivate *)event)->flags |= GDK_EVENT_PENDING;
 996
 997   /* I think GdkFilterFunc semantics require the passed-in event
 998    * to already be in the queue. The filter func can generate
 999    * more events and append them after it if it likes.
1000    */
1001   node = _gdk_event_queue_append (_gdk_display, event);
1002
1003   tmp_list = *filters;
1004   while (tmp_list)
1005     {
1006       GdkEventFilter *filter = (GdkEventFilter *) tmp_list->data;
1007       GList *node;
1008
1009       if ((filter->flags & GDK_EVENT_FILTER_REMOVED) != 0)
1010         {
1011           tmp_list = tmp_list->next;
1012           continue;
1013         }
1014
1015       filter->ref_count++;
1016       result = filter->function (msg, event, filter->data);
1017
1018       /* get the next node after running the function since the
1019          function may add or remove a next node */
1020       node = tmp_list;
1021       tmp_list = tmp_list->next;
1022
1023       filter->ref_count--;
1024       if (filter->ref_count == 0)
1025         {
1026           *filters = g_list_remove_link (*filters, node);
1027           g_list_free_1 (node);
1028           g_free (filter);
1029         }
1030
1031       if (result !=  GDK_FILTER_CONTINUE)
1032         break;
1033     }
1034
1035   if (result == GDK_FILTER_CONTINUE || result == GDK_FILTER_REMOVE)
1036     {
1037       _gdk_event_queue_remove_link (_gdk_display, node);
1038       g_list_free_1 (node);
1039       gdk_event_free (event);
1040     }
1041   else /* GDK_FILTER_TRANSLATE */
1042     {
1043       ((GdkEventPrivate *)event)->flags &= ~GDK_EVENT_PENDING;
1044       fixup_event (event);
1045       GDK_NOTE (EVENTS, _gdk_win32_print_event (event));
1046     }
1047   return result;
1048 }
1049
1050 /*
1051  * On Windows, transient windows will not have their own taskbar entries.
1052  * Because of this, we must hide and restore groups of transients in both
1053  * directions.  That is, all transient children must be hidden or restored
1054  * with this window, but if this window's transient owner also has a
1055  * transient owner then this window's transient owner must be hidden/restored
1056  * with this one.  And etc, up the chain until we hit an ancestor that has no
1057  * transient owner.
1058  *
1059  * It would be a good idea if applications don't chain transient windows
1060  * together.  There's a limit to how much evil GTK can try to shield you
1061  * from.
1062  */
1063 static void
1064 show_window_recurse (GdkWindow *window, gboolean hide_window)
1065 {
1066   GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
1067   GSList *children = impl->transient_children;
1068   GdkWindow *child = NULL;
1069
1070   if (!impl->changing_state)
1071     {
1072       impl->changing_state = TRUE;
1073
1074       if (children != NULL)
1075         {
1076           while (children != NULL)
1077             {
1078               child = children->data;
1079               show_window_recurse (child, hide_window);
1080
1081               children = g_slist_next (children);
1082             }
1083         }
1084
1085       if (GDK_WINDOW_IS_MAPPED (window))
1086         {
1087           if (!hide_window)
1088             {
1089               if (gdk_window_get_state (window) & GDK_WINDOW_STATE_ICONIFIED)
1090                 {
1091                   if (gdk_window_get_state (window) & GDK_WINDOW_STATE_MAXIMIZED)
1092                     {
1093                       ShowWindow (GDK_WINDOW_HWND (window), SW_SHOWMAXIMIZED);
1094                     }
1095                   else
1096                     {
1097                       ShowWindow (GDK_WINDOW_HWND (window), SW_RESTORE);
1098                     }
1099                 }
1100             }
1101           else
1102             {
1103               ShowWindow (GDK_WINDOW_HWND (window), SW_MINIMIZE);
1104             }
1105         }
1106
1107       impl->changing_state = FALSE;
1108     }
1109 }
1110
1111 static void
1112 do_show_window (GdkWindow *window, gboolean hide_window)
1113 {
1114   GdkWindow *tmp_window = NULL;
1115   GdkWindowImplWin32 *tmp_impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
1116
1117   if (!tmp_impl->changing_state)
1118     {
1119       /* Find the top-level window in our transient chain. */
1120       while (tmp_impl->transient_owner != NULL)
1121         {
1122           tmp_window = tmp_impl->transient_owner;
1123           tmp_impl = GDK_WINDOW_IMPL_WIN32 (tmp_window->impl);
1124         }
1125
1126       /* If we couldn't find one, use the window provided. */
1127       if (tmp_window == NULL)
1128         {
1129           tmp_window = window;
1130         }
1131
1132       /* Recursively show/hide every window in the chain. */
1133       if (tmp_window != window)
1134         {
1135           show_window_recurse (tmp_window, hide_window);
1136         }
1137     }
1138 }
1139
1140 static void
1141 synthesize_enter_or_leave_event (GdkWindow        *window,
1142                                  MSG              *msg,
1143                                  GdkEventType      type,
1144                                  GdkCrossingMode   mode,
1145                                  GdkNotifyType     detail)
1146 {
1147   GdkEvent *event;
1148   POINT pt;
1149
1150   pt = msg->pt;
1151   ScreenToClient (GDK_WINDOW_HWND (window), &pt);
1152
1153   event = gdk_event_new (type);
1154   event->crossing.window = window;
1155   event->crossing.subwindow = NULL;
1156   event->crossing.time = _gdk_win32_get_next_tick (msg->time);
1157   event->crossing.x = pt.x;
1158   event->crossing.y = pt.y;
1159   event->crossing.x_root = msg->pt.x + _gdk_offset_x;
1160   event->crossing.y_root = msg->pt.y + _gdk_offset_y;
1161   event->crossing.mode = mode;
1162   event->crossing.detail = detail;
1163   event->crossing.focus = TRUE; /* FIXME: Set correctly */
1164   event->crossing.state = 0;    /* FIXME: Set correctly */
1165   gdk_event_set_device (event, _gdk_display->core_pointer);
1166
1167   append_event (event);
1168
1169   if (type == GDK_ENTER_NOTIFY &&
1170       window->extension_events != 0)
1171     _gdk_device_wintab_update_window_coords (window);
1172 }
1173
1174 /* The check_extended flag controls whether to check if the windows want
1175  * events from extended input devices and if the message should be skipped
1176  * because an extended input device is active
1177  */
1178 static gboolean
1179 propagate (GdkWindow  **window,
1180            MSG         *msg,
1181            GdkWindow   *grab_window,
1182            gboolean     grab_owner_events,
1183            gint         grab_mask,
1184            gboolean   (*doesnt_want_it) (gint mask,
1185                                          MSG *msg),
1186            gboolean     check_extended)
1187 {
1188   if (grab_window != NULL && !grab_owner_events)
1189     {
1190       /* Event source is grabbed with owner_events FALSE */
1191
1192       /* See if the event should be ignored because an extended input
1193        * device is used
1194        */
1195       if (check_extended &&
1196           grab_window->extension_events != 0 &&
1197           _gdk_input_ignore_core)
1198         {
1199           GDK_NOTE (EVENTS, g_print (" (ignored for grabber)"));
1200           return FALSE;
1201         }
1202       if ((*doesnt_want_it) (grab_mask, msg))
1203         {
1204           GDK_NOTE (EVENTS, g_print (" (grabber doesn't want it)"));
1205           return FALSE;
1206         }
1207       else
1208         {
1209           GDK_NOTE (EVENTS, g_print (" (to grabber)"));
1210           assign_object (window, grab_window);
1211           return TRUE;
1212         }
1213     }
1214
1215   /* If we come here, we know that if grab_window != NULL then
1216    * grab_owner_events is TRUE
1217    */
1218   while (TRUE)
1219     {
1220       if (check_extended &&
1221           (*window)->extension_events != 0 &&
1222           _gdk_input_ignore_core)
1223         {
1224           GDK_NOTE (EVENTS, g_print (" (ignored)"));
1225           return FALSE;
1226         }
1227       if ((*doesnt_want_it) ((*window)->event_mask, msg))
1228         {
1229           /* Owner doesn't want it, propagate to parent. */
1230           GdkWindow *parent = gdk_window_get_parent (*window);
1231           if (parent == _gdk_root || parent == NULL)
1232             {
1233               /* No parent; check if grabbed */
1234               if (grab_window != NULL)
1235                 {
1236                   /* Event source is grabbed with owner_events TRUE */
1237
1238                   if (check_extended &&
1239                       grab_window->extension_events != 0 &&
1240                       _gdk_input_ignore_core)
1241                     {
1242                       GDK_NOTE (EVENTS, g_print (" (ignored for grabber)"));
1243                       return FALSE;
1244                     }
1245                   if ((*doesnt_want_it) (grab_mask, msg))
1246                     {
1247                       /* Grabber doesn't want it either */
1248                       GDK_NOTE (EVENTS, g_print (" (grabber doesn't want it)"));
1249                       return FALSE;
1250                     }
1251                   else
1252                     {
1253                       /* Grabbed! */
1254                       GDK_NOTE (EVENTS, g_print (" (to grabber)"));
1255                       assign_object (window, grab_window);
1256                       return TRUE;
1257                     }
1258                 }
1259               else
1260                 {
1261                   GDK_NOTE (EVENTS, g_print (" (undelivered)"));
1262                   return FALSE;
1263                 }
1264             }
1265           else
1266             {
1267               assign_object (window, parent);
1268               /* The only branch where we actually continue the loop */
1269             }
1270         }
1271       else
1272         return TRUE;
1273     }
1274 }
1275
1276 static gboolean
1277 doesnt_want_key (gint mask,
1278                  MSG *msg)
1279 {
1280   return (((msg->message == WM_KEYUP || msg->message == WM_SYSKEYUP) &&
1281            !(mask & GDK_KEY_RELEASE_MASK)) ||
1282           ((msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN) &&
1283            !(mask & GDK_KEY_PRESS_MASK)));
1284 }
1285
1286 static gboolean
1287 doesnt_want_char (gint mask,
1288                   MSG *msg)
1289 {
1290   return !(mask & (GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK));
1291 }
1292
1293 static void
1294 handle_configure_event (MSG       *msg,
1295                         GdkWindow *window)
1296 {
1297   RECT client_rect;
1298   POINT point;
1299
1300   GetClientRect (msg->hwnd, &client_rect);
1301   point.x = client_rect.left; /* always 0 */
1302   point.y = client_rect.top;
1303
1304   /* top level windows need screen coords */
1305   if (gdk_window_get_parent (window) == _gdk_root)
1306     {
1307       ClientToScreen (msg->hwnd, &point);
1308       point.x += _gdk_offset_x;
1309       point.y += _gdk_offset_y;
1310     }
1311
1312   window->width = client_rect.right - client_rect.left;
1313   window->height = client_rect.bottom - client_rect.top;
1314
1315   window->x = point.x;
1316   window->y = point.y;
1317
1318   _gdk_window_update_size (window);
1319
1320   if (window->event_mask & GDK_STRUCTURE_MASK)
1321     {
1322       GdkEvent *event = gdk_event_new (GDK_CONFIGURE);
1323
1324       event->configure.window = window;
1325
1326       event->configure.width = client_rect.right - client_rect.left;
1327       event->configure.height = client_rect.bottom - client_rect.top;
1328
1329       event->configure.x = point.x;
1330       event->configure.y = point.y;
1331
1332       append_event (event);
1333     }
1334 }
1335
1336 cairo_region_t *
1337 _gdk_win32_hrgn_to_region (HRGN hrgn)
1338 {
1339   RGNDATA *rgndata;
1340   RECT *rects;
1341   cairo_region_t *result;
1342   gint nbytes;
1343   guint i;
1344
1345   if ((nbytes = GetRegionData (hrgn, 0, NULL)) == 0)
1346     {
1347       WIN32_GDI_FAILED ("GetRegionData");
1348       return NULL;
1349     }
1350
1351   rgndata = (RGNDATA *) g_malloc (nbytes);
1352
1353   if (GetRegionData (hrgn, nbytes, rgndata) == 0)
1354     {
1355       WIN32_GDI_FAILED ("GetRegionData");
1356       g_free (rgndata);
1357       return NULL;
1358     }
1359
1360   result = cairo_region_create ();
1361   rects = (RECT *) rgndata->Buffer;
1362   for (i = 0; i < rgndata->rdh.nCount; i++)
1363     {
1364       GdkRectangle r;
1365
1366       r.x = rects[i].left;
1367       r.y = rects[i].top;
1368       r.width = rects[i].right - r.x;
1369       r.height = rects[i].bottom - r.y;
1370
1371       cairo_region_union_rectangle (result, &r);
1372     }
1373
1374   g_free (rgndata);
1375
1376   return result;
1377 }
1378
1379 static void
1380 adjust_drag (LONG *drag,
1381              LONG  curr,
1382              gint  inc)
1383 {
1384   if (*drag > curr)
1385     *drag = curr + ((*drag + inc/2 - curr) / inc) * inc;
1386   else
1387     *drag = curr - ((curr - *drag + inc/2) / inc) * inc;
1388 }
1389
1390 static void
1391 handle_wm_paint (MSG        *msg,
1392                  GdkWindow  *window,
1393                  gboolean    return_exposes,
1394                  GdkEvent  **event)
1395 {
1396   HRGN hrgn = CreateRectRgn (0, 0, 0, 0);
1397   HDC hdc;
1398   PAINTSTRUCT paintstruct;
1399   cairo_region_t *update_region;
1400
1401   if (GetUpdateRgn (msg->hwnd, hrgn, FALSE) == ERROR)
1402     {
1403       WIN32_GDI_FAILED ("GetUpdateRgn");
1404       DeleteObject (hrgn);
1405       return;
1406     }
1407
1408   hdc = BeginPaint (msg->hwnd, &paintstruct);
1409
1410   GDK_NOTE (EVENTS, g_print (" %s %s dc %p%s",
1411                              _gdk_win32_rect_to_string (&paintstruct.rcPaint),
1412                              (paintstruct.fErase ? "erase" : ""),
1413                              hdc,
1414                              (return_exposes ? " return_exposes" : "")));
1415
1416   EndPaint (msg->hwnd, &paintstruct);
1417
1418   if ((paintstruct.rcPaint.right == paintstruct.rcPaint.left) ||
1419       (paintstruct.rcPaint.bottom == paintstruct.rcPaint.top))
1420     {
1421       GDK_NOTE (EVENTS, g_print (" (empty paintstruct, ignored)"));
1422       DeleteObject (hrgn);
1423       return;
1424     }
1425
1426   if (return_exposes)
1427     {
1428       if (!GDK_WINDOW_DESTROYED (window))
1429         {
1430           GList *list = _gdk_display->queued_events;
1431
1432           *event = gdk_event_new (GDK_EXPOSE);
1433           (*event)->expose.window = window;
1434           (*event)->expose.area.x = paintstruct.rcPaint.left;
1435           (*event)->expose.area.y = paintstruct.rcPaint.top;
1436           (*event)->expose.area.width = paintstruct.rcPaint.right - paintstruct.rcPaint.left;
1437           (*event)->expose.area.height = paintstruct.rcPaint.bottom - paintstruct.rcPaint.top;
1438           (*event)->expose.region = _gdk_win32_hrgn_to_region (hrgn);
1439           (*event)->expose.count = 0;
1440
1441           while (list != NULL)
1442             {
1443               GdkEventPrivate *evp = list->data;
1444
1445               if (evp->event.any.type == GDK_EXPOSE &&
1446                   evp->event.any.window == window &&
1447                   !(evp->flags & GDK_EVENT_PENDING))
1448                 evp->event.expose.count++;
1449
1450               list = list->next;
1451             }
1452         }
1453
1454       DeleteObject (hrgn);
1455       return;
1456     }
1457
1458   update_region = _gdk_win32_hrgn_to_region (hrgn);
1459   if (!cairo_region_is_empty (update_region))
1460     _gdk_window_invalidate_for_expose (window, update_region);
1461   cairo_region_destroy (update_region);
1462
1463   DeleteObject (hrgn);
1464 }
1465
1466 static VOID CALLBACK
1467 modal_timer_proc (HWND     hwnd,
1468                   UINT     msg,
1469                   UINT_PTR id,
1470                   DWORD    time)
1471 {
1472   int arbitrary_limit = 1;
1473
1474   while (_modal_operation_in_progress &&
1475          g_main_context_pending (NULL) &&
1476          arbitrary_limit--)
1477     g_main_context_iteration (NULL, FALSE);
1478 }
1479
1480 void
1481 _gdk_win32_begin_modal_call (void)
1482 {
1483   g_assert (!_modal_operation_in_progress);
1484
1485   _modal_operation_in_progress = TRUE;
1486
1487   modal_timer = SetTimer (NULL, 0, 10, modal_timer_proc);
1488   if (modal_timer == 0)
1489     WIN32_API_FAILED ("SetTimer");
1490 }
1491
1492 void
1493 _gdk_win32_end_modal_call (void)
1494 {
1495   g_assert (_modal_operation_in_progress);
1496
1497   _modal_operation_in_progress = FALSE;
1498
1499   if (modal_timer != 0)
1500     {
1501       API_CALL (KillTimer, (NULL, modal_timer));
1502       modal_timer = 0;
1503    }
1504 }
1505
1506 static VOID CALLBACK
1507 sync_timer_proc (HWND     hwnd,
1508                  UINT     msg,
1509                  UINT_PTR id,
1510                  DWORD    time)
1511 {
1512   MSG message;
1513   if (PeekMessageW (&message, hwnd, WM_PAINT, WM_PAINT, PM_REMOVE))
1514     {
1515       return;
1516     }
1517
1518   RedrawWindow (hwnd, NULL, NULL, RDW_INVALIDATE|RDW_UPDATENOW|RDW_ALLCHILDREN);
1519
1520   KillTimer (hwnd, sync_timer);
1521 }
1522
1523 static void
1524 handle_display_change (void)
1525 {
1526   _gdk_monitor_init ();
1527   _gdk_root_window_size_init ();
1528   g_signal_emit_by_name (_gdk_screen, "size_changed");
1529 }
1530
1531 static void
1532 generate_button_event (GdkEventType      type,
1533                        gint              button,
1534                        GdkWindow        *window,
1535                        MSG              *msg)
1536 {
1537   GdkEvent *event = gdk_event_new (type);
1538
1539   event->button.window = window;
1540   event->button.time = _gdk_win32_get_next_tick (msg->time);
1541   event->button.x = current_x = (gint16) GET_X_LPARAM (msg->lParam);
1542   event->button.y = current_y = (gint16) GET_Y_LPARAM (msg->lParam);
1543   event->button.x_root = msg->pt.x + _gdk_offset_x;
1544   event->button.y_root = msg->pt.y + _gdk_offset_y;
1545   event->button.axes = NULL;
1546   event->button.state = build_pointer_event_state (msg);
1547   event->button.button = button;
1548   gdk_event_set_device (event, _gdk_display->core_pointer);
1549
1550   append_event (event);
1551 }
1552
1553 static void
1554 ensure_stacking_on_unminimize (MSG *msg)
1555 {
1556   HWND rover;
1557   HWND lowest_transient = NULL;
1558
1559   rover = msg->hwnd;
1560   while ((rover = GetNextWindow (rover, GW_HWNDNEXT)))
1561     {
1562       GdkWindow *rover_gdkw = gdk_win32_handle_table_lookup (rover);
1563
1564       /* Checking window group not implemented yet */
1565       if (rover_gdkw)
1566         {
1567           GdkWindowImplWin32 *rover_impl =
1568             GDK_WINDOW_IMPL_WIN32 (rover_gdkw->impl);
1569
1570           if (GDK_WINDOW_IS_MAPPED (rover_gdkw) &&
1571               (rover_impl->type_hint == GDK_WINDOW_TYPE_HINT_UTILITY ||
1572                rover_impl->type_hint == GDK_WINDOW_TYPE_HINT_DIALOG ||
1573                rover_impl->transient_owner != NULL))
1574             {
1575               lowest_transient = rover;
1576             }
1577         }
1578     }
1579   if (lowest_transient != NULL)
1580     {
1581       GDK_NOTE (EVENTS, g_print (" restacking: %p", lowest_transient));
1582       SetWindowPos (msg->hwnd, lowest_transient, 0, 0, 0, 0,
1583                     SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
1584     }
1585 }
1586
1587 static gboolean
1588 ensure_stacking_on_window_pos_changing (MSG       *msg,
1589                                         GdkWindow *window)
1590 {
1591   GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
1592   WINDOWPOS *windowpos = (WINDOWPOS *) msg->lParam;
1593
1594   if (GetActiveWindow () == msg->hwnd &&
1595       impl->type_hint != GDK_WINDOW_TYPE_HINT_UTILITY &&
1596       impl->type_hint != GDK_WINDOW_TYPE_HINT_DIALOG &&
1597       impl->transient_owner == NULL)
1598     {
1599       /* Make sure the window stays behind any transient-type windows
1600        * of the same window group.
1601        *
1602        * If the window is not active and being activated, we let
1603        * Windows bring it to the top and rely on the WM_ACTIVATEAPP
1604        * handling to bring any utility windows on top of it.
1605        */
1606       HWND rover;
1607       gboolean restacking;
1608
1609       rover = windowpos->hwndInsertAfter;
1610       restacking = FALSE;
1611       while (rover)
1612         {
1613           GdkWindow *rover_gdkw = gdk_win32_handle_table_lookup (rover);
1614
1615           /* Checking window group not implemented yet */
1616           if (rover_gdkw)
1617             {
1618               GdkWindowImplWin32 *rover_impl =
1619                 GDK_WINDOW_IMPL_WIN32 (rover_gdkw->impl);
1620
1621               if (GDK_WINDOW_IS_MAPPED (rover_gdkw) &&
1622                   (rover_impl->type_hint == GDK_WINDOW_TYPE_HINT_UTILITY ||
1623                    rover_impl->type_hint == GDK_WINDOW_TYPE_HINT_DIALOG ||
1624                    rover_impl->transient_owner != NULL))
1625                 {
1626                   restacking = TRUE;
1627                   windowpos->hwndInsertAfter = rover;
1628                 }
1629             }
1630           rover = GetNextWindow (rover, GW_HWNDNEXT);
1631         }
1632
1633       if (restacking)
1634         {
1635           GDK_NOTE (EVENTS, g_print (" restacking: %p", windowpos->hwndInsertAfter));
1636           return TRUE;
1637         }
1638     }
1639   return FALSE;
1640 }
1641
1642 static void
1643 ensure_stacking_on_activate_app (MSG       *msg,
1644                                  GdkWindow *window)
1645 {
1646   GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
1647
1648   if (impl->type_hint == GDK_WINDOW_TYPE_HINT_UTILITY ||
1649       impl->type_hint == GDK_WINDOW_TYPE_HINT_DIALOG ||
1650       impl->transient_owner != NULL)
1651     {
1652       SetWindowPos (msg->hwnd, HWND_TOP, 0, 0, 0, 0,
1653                     SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
1654       return;
1655     }
1656
1657   if (IsWindowVisible (msg->hwnd) &&
1658       msg->hwnd == GetActiveWindow ())
1659     {
1660       /* This window is not a transient-type window and it is the
1661        * activated window. Make sure this window is as visible as
1662        * possible, just below the lowest transient-type window of this
1663        * app.
1664        */
1665       HWND rover;
1666
1667       rover = msg->hwnd;
1668       while ((rover = GetNextWindow (rover, GW_HWNDPREV)))
1669         {
1670           GdkWindow *rover_gdkw = gdk_win32_handle_table_lookup (rover);
1671
1672           /* Checking window group not implemented yet */
1673           if (rover_gdkw)
1674             {
1675               GdkWindowImplWin32 *rover_impl =
1676                 GDK_WINDOW_IMPL_WIN32 (rover_gdkw->impl);
1677
1678               if (GDK_WINDOW_IS_MAPPED (rover_gdkw) &&
1679                   (rover_impl->type_hint == GDK_WINDOW_TYPE_HINT_UTILITY ||
1680                    rover_impl->type_hint == GDK_WINDOW_TYPE_HINT_DIALOG ||
1681                    rover_impl->transient_owner != NULL))
1682                 {
1683                   GDK_NOTE (EVENTS, g_print (" restacking: %p", rover));
1684                   SetWindowPos (msg->hwnd, rover, 0, 0, 0, 0,
1685                                 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
1686                   break;
1687                 }
1688             }
1689         }
1690     }
1691 }
1692
1693 static gboolean
1694 gdk_event_translate (MSG  *msg,
1695                      gint *ret_valp)
1696 {
1697   RECT rect, *drag, orig_drag;
1698   POINT point;
1699   MINMAXINFO *mmi;
1700   HWND hwnd;
1701   HCURSOR hcursor;
1702   BYTE key_state[256];
1703   HIMC himc;
1704   WINDOWPOS *windowpos;
1705
1706   GdkEvent *event;
1707
1708   wchar_t wbuf[100];
1709   gint ccount;
1710
1711   GdkWindow *window = NULL;
1712   GdkWindowImplWin32 *impl;
1713
1714   GdkWindow *orig_window, *new_window, *toplevel;
1715
1716   GdkDeviceManager *device_manager;
1717
1718   GdkDeviceGrabInfo *keyboard_grab = NULL;
1719   GdkDeviceGrabInfo *pointer_grab = NULL;
1720   GdkWindow *grab_window = NULL;
1721
1722   gint button;
1723   GdkAtom target;
1724
1725   gchar buf[256];
1726   gboolean return_val = FALSE;
1727
1728   int i;
1729
1730   if (_gdk_default_filters)
1731     {
1732       /* Apply global filters */
1733
1734       GdkFilterReturn result = apply_event_filters (NULL, msg, &_gdk_default_filters);
1735
1736       /* If result is GDK_FILTER_CONTINUE, we continue as if nothing
1737        * happened. If it is GDK_FILTER_REMOVE or GDK_FILTER_TRANSLATE,
1738        * we return TRUE, and DefWindowProcW() will not be called.
1739        */
1740       if (result == GDK_FILTER_REMOVE || result == GDK_FILTER_TRANSLATE)
1741         return TRUE;
1742     }
1743
1744   window = gdk_win32_handle_table_lookup (msg->hwnd);
1745   orig_window = window;
1746
1747   if (window == NULL)
1748     {
1749       /* XXX Handle WM_QUIT here ? */
1750       if (msg->message == WM_QUIT)
1751         {
1752           GDK_NOTE (EVENTS, g_print (" %d", (int) msg->wParam));
1753           exit (msg->wParam);
1754         }
1755       else if (msg->message == WM_MOVE ||
1756                msg->message == WM_SIZE)
1757         {
1758           /* It's quite normal to get these messages before we have
1759            * had time to register the window in our lookup table, or
1760            * when the window is being destroyed and we already have
1761            * removed it. Repost the same message to our queue so that
1762            * we will get it later when we are prepared.
1763            */
1764           GDK_NOTE (EVENTS, g_print (" (posted)"));
1765
1766           PostMessageW (msg->hwnd, msg->message, msg->wParam, msg->lParam);
1767         }
1768       else if (msg->message == WM_CREATE)
1769         {
1770           window = (UNALIGNED GdkWindow*) (((LPCREATESTRUCTW) msg->lParam)->lpCreateParams);
1771           GDK_WINDOW_HWND (window) = msg->hwnd;
1772         }
1773       else
1774         {
1775           GDK_NOTE (EVENTS, g_print (" (no GdkWindow)"));
1776         }
1777       return FALSE;
1778     }
1779
1780   device_manager = gdk_display_get_device_manager (_gdk_display);
1781
1782   keyboard_grab = _gdk_display_get_last_device_grab (_gdk_display,
1783                                                      GDK_DEVICE_MANAGER_WIN32 (device_manager)->core_keyboard);
1784   pointer_grab = _gdk_display_get_last_device_grab (_gdk_display,
1785                                                     GDK_DEVICE_MANAGER_WIN32 (device_manager)->core_pointer);
1786
1787   g_object_ref (window);
1788
1789   /* window's refcount has now been increased, so code below should
1790    * not just return from this function, but instead goto done (or
1791    * break out of the big switch). To protect against forgetting this,
1792    * #define return to a syntax error...
1793    */
1794 #define return GOTO_DONE_INSTEAD
1795
1796   if (!GDK_WINDOW_DESTROYED (window) && window->filters)
1797     {
1798       /* Apply per-window filters */
1799
1800       GdkFilterReturn result = apply_event_filters (window, msg, &window->filters);
1801
1802       if (result == GDK_FILTER_REMOVE || result == GDK_FILTER_TRANSLATE)
1803         {
1804           return_val = TRUE;
1805           goto done;
1806         }
1807     }
1808
1809   if (msg->message == client_message)
1810     {
1811       GList *tmp_list;
1812       GdkFilterReturn result = GDK_FILTER_CONTINUE;
1813       GList *node;
1814
1815       GDK_NOTE (EVENTS, g_print (" client_message"));
1816
1817       event = gdk_event_new (GDK_NOTHING);
1818       ((GdkEventPrivate *)event)->flags |= GDK_EVENT_PENDING;
1819
1820       node = _gdk_event_queue_append (_gdk_display, event);
1821
1822       tmp_list = client_filters;
1823       while (tmp_list)
1824         {
1825           GdkClientFilter *filter = tmp_list->data;
1826
1827           tmp_list = tmp_list->next;
1828
1829           if (filter->type == GDK_POINTER_TO_ATOM (msg->wParam))
1830             {
1831               GDK_NOTE (EVENTS, g_print (" (match)"));
1832
1833               result = (*filter->function) (msg, event, filter->data);
1834
1835               if (result != GDK_FILTER_CONTINUE)
1836                 break;
1837             }
1838         }
1839
1840       switch (result)
1841         {
1842         case GDK_FILTER_REMOVE:
1843           _gdk_event_queue_remove_link (_gdk_display, node);
1844           g_list_free_1 (node);
1845           gdk_event_free (event);
1846           return_val = TRUE;
1847           goto done;
1848
1849         case GDK_FILTER_TRANSLATE:
1850           ((GdkEventPrivate *)event)->flags &= ~GDK_EVENT_PENDING;
1851           GDK_NOTE (EVENTS, _gdk_win32_print_event (event));
1852           return_val = TRUE;
1853           goto done;
1854
1855         case GDK_FILTER_CONTINUE:
1856           /* No more: Send unknown client messages on to Gtk for it to use */
1857           GDK_NOTE (EVENTS, _gdk_win32_print_event (event));
1858           return_val = TRUE;
1859           goto done;
1860         }
1861     }
1862
1863   switch (msg->message)
1864     {
1865     case WM_INPUTLANGCHANGE:
1866       _gdk_input_locale = (HKL) msg->lParam;
1867       _gdk_input_locale_is_ime = ImmIsIME (_gdk_input_locale);
1868       GetLocaleInfo (MAKELCID (LOWORD (_gdk_input_locale), SORT_DEFAULT),
1869                      LOCALE_IDEFAULTANSICODEPAGE,
1870                      buf, sizeof (buf));
1871       _gdk_input_codepage = atoi (buf);
1872       _gdk_keymap_serial++;
1873       GDK_NOTE (EVENTS,
1874                 g_print (" cs:%lu hkl:%p%s cp:%d",
1875                          (gulong) msg->wParam,
1876                          (gpointer) msg->lParam, _gdk_input_locale_is_ime ? " (IME)" : "",
1877                          _gdk_input_codepage));
1878       break;
1879
1880     case WM_SYSKEYUP:
1881     case WM_SYSKEYDOWN:
1882       GDK_NOTE (EVENTS,
1883                 g_print (" %s ch:%.02x %s",
1884                          _gdk_win32_key_to_string (msg->lParam),
1885                          (int) msg->wParam,
1886                          decode_key_lparam (msg->lParam)));
1887
1888       /* If posted without us having keyboard focus, ignore */
1889       if ((msg->wParam != VK_F10 && msg->wParam != VK_MENU) &&
1890           !(HIWORD (msg->lParam) & KF_ALTDOWN))
1891         break;
1892
1893       /* Let the system handle Alt-Tab, Alt-Space and Alt-F4 unless
1894        * the keyboard is grabbed.
1895        */
1896       if (!keyboard_grab &&
1897           (msg->wParam == VK_TAB ||
1898            msg->wParam == VK_SPACE ||
1899            msg->wParam == VK_F4))
1900         break;
1901
1902       /* Jump to code in common with WM_KEYUP and WM_KEYDOWN */
1903       goto keyup_or_down;
1904
1905     case WM_KEYUP:
1906     case WM_KEYDOWN:
1907       GDK_NOTE (EVENTS,
1908                 g_print (" %s ch:%.02x %s",
1909                          _gdk_win32_key_to_string (msg->lParam),
1910                          (int) msg->wParam,
1911                          decode_key_lparam (msg->lParam)));
1912
1913     keyup_or_down:
1914
1915       /* Ignore key messages intended for the IME */
1916       if (msg->wParam == VK_PROCESSKEY ||
1917           in_ime_composition)
1918         break;
1919
1920       if (keyboard_grab &&
1921           !propagate (&window, msg,
1922                       keyboard_grab->window,
1923                       keyboard_grab->owner_events,
1924                       GDK_ALL_EVENTS_MASK,
1925                       doesnt_want_key, FALSE))
1926         break;
1927
1928       if (GDK_WINDOW_DESTROYED (window))
1929         break;
1930
1931       event = gdk_event_new ((msg->message == WM_KEYDOWN ||
1932                               msg->message == WM_SYSKEYDOWN) ?
1933                              GDK_KEY_PRESS : GDK_KEY_RELEASE);
1934       event->key.window = window;
1935       event->key.time = _gdk_win32_get_next_tick (msg->time);
1936       event->key.keyval = GDK_KEY_VoidSymbol;
1937       event->key.string = NULL;
1938       event->key.length = 0;
1939       event->key.hardware_keycode = msg->wParam;
1940       gdk_event_set_device (event, GDK_DEVICE_MANAGER_WIN32 (device_manager)->core_keyboard);
1941       if (HIWORD (msg->lParam) & KF_EXTENDED)
1942         {
1943           switch (msg->wParam)
1944             {
1945             case VK_CONTROL:
1946               event->key.hardware_keycode = VK_RCONTROL;
1947               break;
1948             case VK_SHIFT:      /* Actually, KF_EXTENDED is not set
1949                                  * for the right shift key.
1950                                  */
1951               event->key.hardware_keycode = VK_RSHIFT;
1952               break;
1953             case VK_MENU:
1954               event->key.hardware_keycode = VK_RMENU;
1955               break;
1956             }
1957         }
1958       else if (msg->wParam == VK_SHIFT &&
1959                LOBYTE (HIWORD (msg->lParam)) == _scancode_rshift)
1960         event->key.hardware_keycode = VK_RSHIFT;
1961
1962       API_CALL (GetKeyboardState, (key_state));
1963
1964       /* g_print ("ctrl:%02x lctrl:%02x rctrl:%02x alt:%02x lalt:%02x ralt:%02x\n", key_state[VK_CONTROL], key_state[VK_LCONTROL], key_state[VK_RCONTROL], key_state[VK_MENU], key_state[VK_LMENU], key_state[VK_RMENU]); */
1965
1966       build_key_event_state (event, key_state);
1967
1968       if (msg->wParam == VK_PACKET &&
1969           ToUnicode (VK_PACKET, HIWORD (msg->lParam), key_state, wbuf, 1, 0) == 1)
1970         event->key.keyval = gdk_unicode_to_keyval (wbuf[0]);
1971       else
1972         gdk_keymap_translate_keyboard_state (_gdk_win32_display_get_keymap (_gdk_display),
1973                                              event->key.hardware_keycode,
1974                                              event->key.state,
1975                                              event->key.group,
1976                                              &event->key.keyval,
1977                                              NULL, NULL, NULL);
1978
1979       fill_key_event_string (event);
1980
1981       /* Reset MOD1_MASK if it is the Alt key itself */
1982       if (msg->wParam == VK_MENU)
1983         event->key.state &= ~GDK_MOD1_MASK;
1984
1985       append_event (event);
1986
1987       return_val = TRUE;
1988       break;
1989
1990     case WM_SYSCHAR:
1991       if (msg->wParam != VK_SPACE)
1992         {
1993           /* To prevent beeps, don't let DefWindowProcW() be called */
1994           return_val = TRUE;
1995           goto done;
1996         }
1997       break;
1998
1999     case WM_IME_STARTCOMPOSITION:
2000       in_ime_composition = TRUE;
2001       break;
2002
2003     case WM_IME_ENDCOMPOSITION:
2004       in_ime_composition = FALSE;
2005       break;
2006
2007     case WM_IME_COMPOSITION:
2008       /* On Win2k WM_IME_CHAR doesn't work correctly for non-Unicode
2009        * applications. Thus, handle WM_IME_COMPOSITION with
2010        * GCS_RESULTSTR instead, fetch the Unicode chars from the IME
2011        * with ImmGetCompositionStringW().
2012        *
2013        * See for instance
2014        * http://groups.google.com/groups?selm=natX5.57%24g77.19788%40nntp2.onemain.com
2015        * and
2016        * http://groups.google.com/groups?selm=u2XfrXw5BHA.1628%40tkmsftngp02
2017        * for comments by other people that seems to have the same
2018        * experience. WM_IME_CHAR just gives question marks, apparently
2019        * because of going through some conversion to the current code
2020        * page.
2021        *
2022        * WM_IME_CHAR might work on NT4 or Win9x with ActiveIMM, but
2023        * use WM_IME_COMPOSITION there, too, to simplify the code.
2024        */
2025       GDK_NOTE (EVENTS, g_print (" %#lx", (long) msg->lParam));
2026
2027       if (!(msg->lParam & GCS_RESULTSTR))
2028         break;
2029
2030       if (keyboard_grab &&
2031           !propagate (&window, msg,
2032                       keyboard_grab->window,
2033                       keyboard_grab->owner_events,
2034                       GDK_ALL_EVENTS_MASK,
2035                       doesnt_want_char, FALSE))
2036         break;
2037
2038       if (GDK_WINDOW_DESTROYED (window))
2039         break;
2040
2041       himc = ImmGetContext (msg->hwnd);
2042       ccount = ImmGetCompositionStringW (himc, GCS_RESULTSTR,
2043                                          wbuf, sizeof (wbuf));
2044       ImmReleaseContext (msg->hwnd, himc);
2045
2046       ccount /= 2;
2047
2048       API_CALL (GetKeyboardState, (key_state));
2049
2050       for (i = 0; i < ccount; i++)
2051         {
2052           if (window->event_mask & GDK_KEY_PRESS_MASK)
2053             {
2054               /* Build a key press event */
2055               event = gdk_event_new (GDK_KEY_PRESS);
2056               event->key.window = window;
2057         gdk_event_set_device (event, GDK_DEVICE_MANAGER_WIN32 (device_manager)->core_keyboard);
2058               build_wm_ime_composition_event (event, msg, wbuf[i], key_state);
2059
2060               append_event (event);
2061             }
2062
2063           if (window->event_mask & GDK_KEY_RELEASE_MASK)
2064             {
2065               /* Build a key release event.  */
2066               event = gdk_event_new (GDK_KEY_RELEASE);
2067               event->key.window = window;
2068         gdk_event_set_device (event, GDK_DEVICE_MANAGER_WIN32 (device_manager)->core_keyboard);
2069               build_wm_ime_composition_event (event, msg, wbuf[i], key_state);
2070
2071               append_event (event);
2072             }
2073         }
2074       return_val = TRUE;
2075       break;
2076
2077     case WM_LBUTTONDOWN:
2078       button = 1;
2079       goto buttondown0;
2080
2081     case WM_MBUTTONDOWN:
2082       button = 2;
2083       goto buttondown0;
2084
2085     case WM_RBUTTONDOWN:
2086       button = 3;
2087       goto buttondown0;
2088
2089     case WM_XBUTTONDOWN:
2090       if (HIWORD (msg->wParam) == XBUTTON1)
2091         button = 4;
2092       else
2093         button = 5;
2094
2095     buttondown0:
2096       GDK_NOTE (EVENTS,
2097                 g_print (" (%d,%d)",
2098                          GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam)));
2099
2100       assign_object (&window, find_window_for_mouse_event (window, msg));
2101       /* TODO_CSW?: there used to some synthesize and propagate */
2102       if (GDK_WINDOW_DESTROYED (window))
2103         break;
2104
2105       /* TODO_CSW? Emulate X11's automatic active grab */
2106       generate_button_event (GDK_BUTTON_PRESS, button,
2107                              window, msg);
2108
2109       return_val = TRUE;
2110       break;
2111
2112     case WM_LBUTTONUP:
2113       button = 1;
2114       goto buttonup0;
2115
2116     case WM_MBUTTONUP:
2117       button = 2;
2118       goto buttonup0;
2119
2120     case WM_RBUTTONUP:
2121       button = 3;
2122       goto buttonup0;
2123
2124     case WM_XBUTTONUP:
2125       if (HIWORD (msg->wParam) == XBUTTON1)
2126         button = 4;
2127       else
2128         button = 5;
2129
2130     buttonup0:
2131       GDK_NOTE (EVENTS,
2132                 g_print (" (%d,%d)",
2133                          GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam)));
2134
2135       assign_object (&window, find_window_for_mouse_event (window, msg));
2136 #if 0
2137       if (window->extension_events != 0 &&
2138           _gdk_input_ignore_core)
2139         {
2140           GDK_NOTE (EVENTS, g_print (" (ignored)"));
2141           break;
2142         }
2143 #endif
2144
2145       generate_button_event (GDK_BUTTON_RELEASE, button,
2146                              window, msg);
2147
2148       return_val = TRUE;
2149       break;
2150
2151     case WM_MOUSEMOVE:
2152       GDK_NOTE (EVENTS,
2153                 g_print (" %p (%d,%d)",
2154                          (gpointer) msg->wParam,
2155                          GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam)));
2156
2157       assign_object (&window, find_window_for_mouse_event (window, msg));
2158       toplevel = gdk_window_get_toplevel (window);
2159       if (current_toplevel != toplevel)
2160         {
2161           GDK_NOTE (EVENTS, g_print (" toplevel %p -> %p",
2162               current_toplevel ? GDK_WINDOW_HWND (current_toplevel) : NULL,
2163               toplevel ? GDK_WINDOW_HWND (toplevel) : NULL));
2164           if (current_toplevel)
2165             synthesize_enter_or_leave_event (current_toplevel, msg,
2166                                        GDK_LEAVE_NOTIFY, GDK_CROSSING_NORMAL, GDK_NOTIFY_ANCESTOR);
2167           synthesize_enter_or_leave_event (toplevel, msg,
2168                                      GDK_ENTER_NOTIFY, GDK_CROSSING_NORMAL, GDK_NOTIFY_ANCESTOR);
2169           assign_object (&current_toplevel, toplevel);
2170           track_mouse_event (TME_LEAVE, GDK_WINDOW_HWND (toplevel));
2171         }
2172
2173       /* If we haven't moved, don't create any GDK event. Windows
2174        * sends WM_MOUSEMOVE messages after a new window is shows under
2175        * the mouse, even if the mouse hasn't moved. This disturbs gtk.
2176        */
2177       if (msg->pt.x + _gdk_offset_x == current_root_x &&
2178           msg->pt.y + _gdk_offset_y == current_root_y)
2179         break;
2180
2181       current_root_x = msg->pt.x + _gdk_offset_x;
2182       current_root_y = msg->pt.y + _gdk_offset_y;
2183
2184       event = gdk_event_new (GDK_MOTION_NOTIFY);
2185       event->motion.window = window;
2186       event->motion.time = _gdk_win32_get_next_tick (msg->time);
2187       event->motion.x = current_x = (gint16) GET_X_LPARAM (msg->lParam);
2188       event->motion.y = current_y = (gint16) GET_Y_LPARAM (msg->lParam);
2189       event->motion.x_root = current_root_x;
2190       event->motion.y_root = current_root_y;
2191       event->motion.axes = NULL;
2192       event->motion.state = build_pointer_event_state (msg);
2193       event->motion.is_hint = FALSE;
2194       gdk_event_set_device (event, _gdk_display->core_pointer);
2195
2196       append_event (event);
2197
2198       return_val = TRUE;
2199       break;
2200
2201     case WM_NCMOUSEMOVE:
2202       GDK_NOTE (EVENTS,
2203                 g_print (" (%d,%d)",
2204                          GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam)));
2205       break;
2206
2207     case WM_MOUSELEAVE:
2208       GDK_NOTE (EVENTS, g_print (" %d (%ld,%ld)",
2209                                  HIWORD (msg->wParam), msg->pt.x, msg->pt.y));
2210
2211       if (!gdk_win32_handle_table_lookup (WindowFromPoint (msg->pt)))
2212         {
2213           /* we are only interested if we don't know the new window */
2214           if (current_toplevel)
2215             synthesize_enter_or_leave_event (current_toplevel, msg,
2216                                              GDK_LEAVE_NOTIFY, GDK_CROSSING_NORMAL, GDK_NOTIFY_ANCESTOR);
2217           assign_object (&current_toplevel, NULL);
2218         }
2219       else if (window != gdk_window_get_toplevel (window)) /* xxx: only for native child windows? */
2220         {
2221           /* XXX: this used to be ignored pre-csw, but I think we need at least some
2222            * of the leave events */
2223           synthesize_enter_or_leave_event (window, msg,
2224                                            GDK_LEAVE_NOTIFY, GDK_CROSSING_NORMAL, GDK_NOTIFY_ANCESTOR);
2225         }
2226
2227       return_val = TRUE;
2228       break;
2229
2230     case WM_MOUSEWHEEL:
2231       GDK_NOTE (EVENTS, g_print (" %d", (short) HIWORD (msg->wParam)));
2232
2233       /* WM_MOUSEWHEEL is delivered to the focus window. Work around
2234        * that. Also, the position is in screen coordinates, not client
2235        * coordinates as with the button messages. I love the
2236        * consistency of Windows.
2237        */
2238       point.x = GET_X_LPARAM (msg->lParam);
2239       point.y = GET_Y_LPARAM (msg->lParam);
2240
2241       if ((hwnd = WindowFromPoint (point)) == NULL)
2242         break;
2243
2244       msg->hwnd = hwnd;
2245       if ((new_window = gdk_win32_handle_table_lookup (msg->hwnd)) == NULL)
2246         break;
2247
2248       if (new_window != window)
2249         {
2250           assign_object (&window, new_window);
2251         }
2252
2253       ScreenToClient (msg->hwnd, &point);
2254
2255       event = gdk_event_new (GDK_SCROLL);
2256       event->scroll.window = window;
2257       event->scroll.direction = (((short) HIWORD (msg->wParam)) > 0) ?
2258         GDK_SCROLL_UP : GDK_SCROLL_DOWN;
2259       event->scroll.time = _gdk_win32_get_next_tick (msg->time);
2260       event->scroll.x = (gint16) point.x;
2261       event->scroll.y = (gint16) point.y;
2262       event->scroll.x_root = (gint16) GET_X_LPARAM (msg->lParam) + _gdk_offset_x;
2263       event->scroll.y_root = (gint16) GET_Y_LPARAM (msg->lParam) + _gdk_offset_y;
2264       event->scroll.state = build_pointer_event_state (msg);
2265       gdk_event_set_device (event, _gdk_display->core_pointer);
2266
2267       append_event (event);
2268
2269       return_val = TRUE;
2270       break;
2271
2272     case WM_HSCROLL:
2273       /* Just print more debugging information, don't actually handle it. */
2274       GDK_NOTE (EVENTS,
2275                 (g_print (" %s",
2276                           (LOWORD (msg->wParam) == SB_ENDSCROLL ? "ENDSCROLL" :
2277                            (LOWORD (msg->wParam) == SB_LEFT ? "LEFT" :
2278                             (LOWORD (msg->wParam) == SB_RIGHT ? "RIGHT" :
2279                              (LOWORD (msg->wParam) == SB_LINELEFT ? "LINELEFT" :
2280                               (LOWORD (msg->wParam) == SB_LINERIGHT ? "LINERIGHT" :
2281                                (LOWORD (msg->wParam) == SB_PAGELEFT ? "PAGELEFT" :
2282                                 (LOWORD (msg->wParam) == SB_PAGERIGHT ? "PAGERIGHT" :
2283                                  (LOWORD (msg->wParam) == SB_THUMBPOSITION ? "THUMBPOSITION" :
2284                                   (LOWORD (msg->wParam) == SB_THUMBTRACK ? "THUMBTRACK" :
2285                                    "???")))))))))),
2286                  (LOWORD (msg->wParam) == SB_THUMBPOSITION ||
2287                   LOWORD (msg->wParam) == SB_THUMBTRACK) ?
2288                  (g_print (" %d", HIWORD (msg->wParam)), 0) : 0));
2289       break;
2290
2291     case WM_VSCROLL:
2292       /* Just print more debugging information, don't actually handle it. */
2293       GDK_NOTE (EVENTS,
2294                 (g_print (" %s",
2295                           (LOWORD (msg->wParam) == SB_ENDSCROLL ? "ENDSCROLL" :
2296                            (LOWORD (msg->wParam) == SB_BOTTOM ? "BOTTOM" :
2297                             (LOWORD (msg->wParam) == SB_TOP ? "TOP" :
2298                              (LOWORD (msg->wParam) == SB_LINEDOWN ? "LINDOWN" :
2299                               (LOWORD (msg->wParam) == SB_LINEUP ? "LINEUP" :
2300                                (LOWORD (msg->wParam) == SB_PAGEDOWN ? "PAGEDOWN" :
2301                                 (LOWORD (msg->wParam) == SB_PAGEUP ? "PAGEUP" :
2302                                  (LOWORD (msg->wParam) == SB_THUMBPOSITION ? "THUMBPOSITION" :
2303                                   (LOWORD (msg->wParam) == SB_THUMBTRACK ? "THUMBTRACK" :
2304                                    "???")))))))))),
2305                  (LOWORD (msg->wParam) == SB_THUMBPOSITION ||
2306                   LOWORD (msg->wParam) == SB_THUMBTRACK) ?
2307                  (g_print (" %d", HIWORD (msg->wParam)), 0) : 0));
2308       break;
2309
2310      case WM_MOUSEACTIVATE:
2311        {
2312          GdkWindow *tmp;
2313
2314          if (gdk_window_get_window_type (window) == GDK_WINDOW_TEMP
2315              || !window->accept_focus)
2316            {
2317              *ret_valp = MA_NOACTIVATE;
2318              return_val = TRUE;
2319            }
2320
2321          tmp = _gdk_modal_current ();
2322
2323          if (tmp != NULL)
2324            {
2325              if (gdk_window_get_toplevel (window) != tmp)
2326                {
2327                  *ret_valp = MA_NOACTIVATEANDEAT;
2328                  return_val = TRUE;
2329                }
2330            }
2331        }
2332
2333        break;
2334
2335     case WM_KILLFOCUS:
2336       if (keyboard_grab != NULL &&
2337           !GDK_WINDOW_DESTROYED (keyboard_grab->window))
2338         {
2339           generate_grab_broken_event (device_manager, keyboard_grab->window, TRUE, NULL);
2340         }
2341
2342       /* fallthrough */
2343     case WM_SETFOCUS:
2344       if (keyboard_grab != NULL &&
2345           !keyboard_grab->owner_events)
2346         break;
2347
2348       if (!(window->event_mask & GDK_FOCUS_CHANGE_MASK))
2349         break;
2350
2351       if (GDK_WINDOW_DESTROYED (window))
2352         break;
2353
2354       generate_focus_event (device_manager, window, (msg->message == WM_SETFOCUS));
2355       return_val = TRUE;
2356       break;
2357
2358     case WM_ERASEBKGND:
2359       GDK_NOTE (EVENTS, g_print (" %p", (HANDLE) msg->wParam));
2360
2361       if (GDK_WINDOW_DESTROYED (window))
2362         break;
2363
2364       return_val = TRUE;
2365       *ret_valp = 1;
2366       break;
2367
2368     case WM_SYNCPAINT:
2369       sync_timer = SetTimer (GDK_WINDOW_HWND (window),
2370                              1,
2371                              200, sync_timer_proc);
2372       break;
2373
2374     case WM_PAINT:
2375       handle_wm_paint (msg, window, FALSE, NULL);
2376       break;
2377
2378     case WM_SETCURSOR:
2379       GDK_NOTE (EVENTS, g_print (" %#x %#x",
2380                                  LOWORD (msg->lParam), HIWORD (msg->lParam)));
2381
2382       if (pointer_grab != NULL)
2383         grab_window = pointer_grab->window;
2384
2385       if (grab_window == NULL && LOWORD (msg->lParam) != HTCLIENT)
2386         break;
2387
2388       if (grab_window != NULL && p_grab_cursor != NULL)
2389         hcursor = p_grab_cursor;
2390       else if (!GDK_WINDOW_DESTROYED (window))
2391         hcursor = GDK_WINDOW_IMPL_WIN32 (window->impl)->hcursor;
2392       else
2393         hcursor = NULL;
2394
2395       if (hcursor != NULL)
2396         {
2397           GDK_NOTE (EVENTS, g_print (" (SetCursor(%p)", hcursor));
2398           SetCursor (hcursor);
2399           return_val = TRUE;
2400           *ret_valp = TRUE;
2401         }
2402       break;
2403
2404     case WM_SHOWWINDOW:
2405       GDK_NOTE (EVENTS, g_print (" %s %s",
2406                                  (msg->wParam ? "YES" : "NO"),
2407                                  (msg->lParam == 0 ? "ShowWindow" :
2408                                   (msg->lParam == SW_OTHERUNZOOM ? "OTHERUNZOOM" :
2409                                    (msg->lParam == SW_OTHERZOOM ? "OTHERZOOM" :
2410                                     (msg->lParam == SW_PARENTCLOSING ? "PARENTCLOSING" :
2411                                      (msg->lParam == SW_PARENTOPENING ? "PARENTOPENING" :
2412                                       "???")))))));
2413
2414       if (!(window->event_mask & GDK_STRUCTURE_MASK))
2415         break;
2416
2417       if (msg->lParam == SW_OTHERUNZOOM ||
2418           msg->lParam == SW_OTHERZOOM)
2419         break;
2420
2421       if (GDK_WINDOW_DESTROYED (window))
2422         break;
2423
2424       event = gdk_event_new (msg->wParam ? GDK_MAP : GDK_UNMAP);
2425       event->any.window = window;
2426
2427       append_event (event);
2428
2429       if (event->any.type == GDK_UNMAP)
2430         {
2431           impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
2432
2433           if (impl->transient_owner && GetForegroundWindow () == GDK_WINDOW_HWND (window))
2434             {
2435               SetForegroundWindow (GDK_WINDOW_HWND (impl->transient_owner));
2436             }
2437
2438           if (pointer_grab != NULL)
2439             {
2440               if (pointer_grab->window == window)
2441                 gdk_pointer_ungrab (msg->time);
2442             }
2443
2444           if (keyboard_grab &&
2445         keyboard_grab->window == window)
2446             gdk_keyboard_ungrab (msg->time);
2447         }
2448
2449       return_val = TRUE;
2450       break;
2451
2452     case WM_SYSCOMMAND:
2453       switch (msg->wParam)
2454         {
2455         case SC_MINIMIZE:
2456         case SC_RESTORE:
2457           do_show_window (window, msg->wParam == SC_MINIMIZE ? TRUE : FALSE);
2458           break;
2459         }
2460
2461       break;
2462
2463     case WM_SIZE:
2464       GDK_NOTE (EVENTS,
2465                 g_print (" %s %dx%d",
2466                          (msg->wParam == SIZE_MAXHIDE ? "MAXHIDE" :
2467                           (msg->wParam == SIZE_MAXIMIZED ? "MAXIMIZED" :
2468                            (msg->wParam == SIZE_MAXSHOW ? "MAXSHOW" :
2469                             (msg->wParam == SIZE_MINIMIZED ? "MINIMIZED" :
2470                              (msg->wParam == SIZE_RESTORED ? "RESTORED" : "?"))))),
2471                          LOWORD (msg->lParam), HIWORD (msg->lParam)));
2472
2473       if (msg->wParam == SIZE_MINIMIZED)
2474         {
2475           /* Don't generate any GDK event. This is *not* an UNMAP. */
2476           if (pointer_grab != NULL)
2477             {
2478               if (pointer_grab->window == window)
2479                 gdk_pointer_ungrab (msg->time);
2480             }
2481           if (keyboard_grab &&
2482         keyboard_grab->window == window)
2483             gdk_keyboard_ungrab (msg->time);
2484
2485           gdk_synthesize_window_state (window,
2486                                        GDK_WINDOW_STATE_WITHDRAWN,
2487                                        GDK_WINDOW_STATE_ICONIFIED);
2488           do_show_window (window, TRUE);
2489         }
2490       else if ((msg->wParam == SIZE_RESTORED ||
2491                 msg->wParam == SIZE_MAXIMIZED) &&
2492                GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD)
2493         {
2494           GdkWindowState withdrawn_bit =
2495             IsWindowVisible (msg->hwnd) ? GDK_WINDOW_STATE_WITHDRAWN : 0;
2496
2497           if (window->state & GDK_WINDOW_STATE_ICONIFIED)
2498             ensure_stacking_on_unminimize (msg);
2499
2500           if (!GDK_WINDOW_DESTROYED (window))
2501             handle_configure_event (msg, window);
2502
2503           if (msg->wParam == SIZE_RESTORED)
2504             {
2505               gdk_synthesize_window_state (window,
2506                                            GDK_WINDOW_STATE_ICONIFIED |
2507                                            GDK_WINDOW_STATE_MAXIMIZED |
2508                                            withdrawn_bit,
2509                                            0);
2510
2511               if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_TEMP && !GDK_WINDOW_IS_MAPPED (window))
2512                 {
2513                   do_show_window (window, FALSE);
2514                 }
2515             }
2516           else if (msg->wParam == SIZE_MAXIMIZED)
2517             {
2518               gdk_synthesize_window_state (window,
2519                                            GDK_WINDOW_STATE_ICONIFIED |
2520                                            withdrawn_bit,
2521                                            GDK_WINDOW_STATE_MAXIMIZED);
2522             }
2523
2524           if (window->resize_count > 1)
2525             window->resize_count -= 1;
2526
2527           if (window->extension_events != 0)
2528       _gdk_device_wintab_update_window_coords (window);
2529
2530           return_val = TRUE;
2531         }
2532       break;
2533
2534     case WM_ENTERSIZEMOVE:
2535     case WM_ENTERMENULOOP:
2536       _gdk_win32_begin_modal_call ();
2537       break;
2538
2539     case WM_EXITSIZEMOVE:
2540     case WM_EXITMENULOOP:
2541       _gdk_win32_end_modal_call ();
2542       break;
2543
2544     case WM_WINDOWPOSCHANGING:
2545       GDK_NOTE (EVENTS, (windowpos = (WINDOWPOS *) msg->lParam,
2546                          g_print (" %s %s %dx%d@%+d%+d now below %p",
2547                                   _gdk_win32_window_pos_bits_to_string (windowpos->flags),
2548                                   (windowpos->hwndInsertAfter == HWND_BOTTOM ? "BOTTOM" :
2549                                    (windowpos->hwndInsertAfter == HWND_NOTOPMOST ? "NOTOPMOST" :
2550                                     (windowpos->hwndInsertAfter == HWND_TOP ? "TOP" :
2551                                      (windowpos->hwndInsertAfter == HWND_TOPMOST ? "TOPMOST" :
2552                                       (sprintf (buf, "%p", windowpos->hwndInsertAfter),
2553                                        buf))))),
2554                                   windowpos->cx, windowpos->cy, windowpos->x, windowpos->y,
2555                                   GetNextWindow (msg->hwnd, GW_HWNDPREV))));
2556
2557       if (GDK_WINDOW_IS_MAPPED (window))
2558         return_val = ensure_stacking_on_window_pos_changing (msg, window);
2559       break;
2560
2561     case WM_WINDOWPOSCHANGED:
2562       windowpos = (WINDOWPOS *) msg->lParam;
2563       GDK_NOTE (EVENTS, g_print (" %s %s %dx%d@%+d%+d",
2564                                  _gdk_win32_window_pos_bits_to_string (windowpos->flags),
2565                                  (windowpos->hwndInsertAfter == HWND_BOTTOM ? "BOTTOM" :
2566                                   (windowpos->hwndInsertAfter == HWND_NOTOPMOST ? "NOTOPMOST" :
2567                                    (windowpos->hwndInsertAfter == HWND_TOP ? "TOP" :
2568                                     (windowpos->hwndInsertAfter == HWND_TOPMOST ? "TOPMOST" :
2569                                      (sprintf (buf, "%p", windowpos->hwndInsertAfter),
2570                                       buf))))),
2571                                  windowpos->cx, windowpos->cy, windowpos->x, windowpos->y));
2572
2573       /* If position and size haven't changed, don't do anything */
2574       if (_modal_operation_in_progress &&
2575           (windowpos->flags & SWP_NOMOVE) &&
2576           (windowpos->flags & SWP_NOSIZE))
2577         break;
2578
2579       /* Once we've entered the moving or sizing modal loop, we won't
2580        * return to the main loop until we're done sizing or moving.
2581        */
2582       if (_modal_operation_in_progress &&
2583          GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD &&
2584          !GDK_WINDOW_DESTROYED (window))
2585         {
2586           if (window->event_mask & GDK_STRUCTURE_MASK)
2587             {
2588               GDK_NOTE (EVENTS, g_print (" do magic"));
2589               if (window->resize_count > 1)
2590                 window->resize_count -= 1;
2591
2592               handle_configure_event (msg, window);
2593               g_main_context_iteration (NULL, FALSE);
2594 #if 0
2595               /* Dispatch main loop - to realize resizes... */
2596               modal_timer_proc (msg->hwnd, msg->message, 0, msg->time);
2597 #endif
2598               /* Claim as handled, so that WM_SIZE and WM_MOVE are avoided */
2599               return_val = TRUE;
2600               *ret_valp = 1;
2601             }
2602         }
2603       break;
2604
2605     case WM_SIZING:
2606       GetWindowRect (GDK_WINDOW_HWND (window), &rect);
2607       drag = (RECT *) msg->lParam;
2608       GDK_NOTE (EVENTS, g_print (" %s curr:%s drag:%s",
2609                                  (msg->wParam == WMSZ_BOTTOM ? "BOTTOM" :
2610                                   (msg->wParam == WMSZ_BOTTOMLEFT ? "BOTTOMLEFT" :
2611                                    (msg->wParam == WMSZ_LEFT ? "LEFT" :
2612                                     (msg->wParam == WMSZ_TOPLEFT ? "TOPLEFT" :
2613                                      (msg->wParam == WMSZ_TOP ? "TOP" :
2614                                       (msg->wParam == WMSZ_TOPRIGHT ? "TOPRIGHT" :
2615                                        (msg->wParam == WMSZ_RIGHT ? "RIGHT" :
2616
2617                                         (msg->wParam == WMSZ_BOTTOMRIGHT ? "BOTTOMRIGHT" :
2618                                          "???")))))))),
2619                                  _gdk_win32_rect_to_string (&rect),
2620                                  _gdk_win32_rect_to_string (drag)));
2621
2622       impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
2623       orig_drag = *drag;
2624       if (impl->hint_flags & GDK_HINT_RESIZE_INC)
2625         {
2626           GDK_NOTE (EVENTS, g_print (" (RESIZE_INC)"));
2627           if (impl->hint_flags & GDK_HINT_BASE_SIZE)
2628             {
2629               /* Resize in increments relative to the base size */
2630               rect.left = rect.top = 0;
2631               rect.right = impl->hints.base_width;
2632               rect.bottom = impl->hints.base_height;
2633               _gdk_win32_adjust_client_rect (window, &rect);
2634               point.x = rect.left;
2635               point.y = rect.top;
2636               ClientToScreen (GDK_WINDOW_HWND (window), &point);
2637               rect.left = point.x;
2638               rect.top = point.y;
2639               point.x = rect.right;
2640               point.y = rect.bottom;
2641               ClientToScreen (GDK_WINDOW_HWND (window), &point);
2642               rect.right = point.x;
2643               rect.bottom = point.y;
2644
2645               GDK_NOTE (EVENTS, g_print (" (also BASE_SIZE, using %s)",
2646                                          _gdk_win32_rect_to_string (&rect)));
2647             }
2648
2649           switch (msg->wParam)
2650             {
2651             case WMSZ_BOTTOM:
2652               if (drag->bottom == rect.bottom)
2653                 break;
2654               adjust_drag (&drag->bottom, rect.bottom, impl->hints.height_inc);
2655               break;
2656
2657             case WMSZ_BOTTOMLEFT:
2658               if (drag->bottom == rect.bottom && drag->left == rect.left)
2659                 break;
2660               adjust_drag (&drag->bottom, rect.bottom, impl->hints.height_inc);
2661               adjust_drag (&drag->left, rect.left, impl->hints.width_inc);
2662               break;
2663
2664             case WMSZ_LEFT:
2665               if (drag->left == rect.left)
2666                 break;
2667               adjust_drag (&drag->left, rect.left, impl->hints.width_inc);
2668               break;
2669
2670             case WMSZ_TOPLEFT:
2671               if (drag->top == rect.top && drag->left == rect.left)
2672                 break;
2673               adjust_drag (&drag->top, rect.top, impl->hints.height_inc);
2674               adjust_drag (&drag->left, rect.left, impl->hints.width_inc);
2675               break;
2676
2677             case WMSZ_TOP:
2678               if (drag->top == rect.top)
2679                 break;
2680               adjust_drag (&drag->top, rect.top, impl->hints.height_inc);
2681               break;
2682
2683             case WMSZ_TOPRIGHT:
2684               if (drag->top == rect.top && drag->right == rect.right)
2685                 break;
2686               adjust_drag (&drag->top, rect.top, impl->hints.height_inc);
2687               adjust_drag (&drag->right, rect.right, impl->hints.width_inc);
2688               break;
2689
2690             case WMSZ_RIGHT:
2691               if (drag->right == rect.right)
2692                 break;
2693               adjust_drag (&drag->right, rect.right, impl->hints.width_inc);
2694               break;
2695
2696             case WMSZ_BOTTOMRIGHT:
2697               if (drag->bottom == rect.bottom && drag->right == rect.right)
2698                 break;
2699               adjust_drag (&drag->bottom, rect.bottom, impl->hints.height_inc);
2700               adjust_drag (&drag->right, rect.right, impl->hints.width_inc);
2701               break;
2702             }
2703
2704           if (drag->bottom != orig_drag.bottom || drag->left != orig_drag.left ||
2705               drag->top != orig_drag.top || drag->right != orig_drag.right)
2706             {
2707               *ret_valp = TRUE;
2708               return_val = TRUE;
2709               GDK_NOTE (EVENTS, g_print (" (handled RESIZE_INC: %s)",
2710                                          _gdk_win32_rect_to_string (drag)));
2711             }
2712         }
2713
2714       /* WM_GETMINMAXINFO handles min_size and max_size hints? */
2715
2716       if (impl->hint_flags & GDK_HINT_ASPECT)
2717         {
2718           RECT decorated_rect;
2719           RECT undecorated_drag;
2720           int decoration_width, decoration_height;
2721           gdouble drag_aspect;
2722           int drag_width, drag_height, new_width, new_height;
2723
2724           GetClientRect (GDK_WINDOW_HWND (window), &rect);
2725           decorated_rect = rect;
2726           _gdk_win32_adjust_client_rect (window, &decorated_rect);
2727
2728           /* Set undecorated_drag to the client area being dragged
2729            * out, in screen coordinates.
2730            */
2731           undecorated_drag = *drag;
2732           undecorated_drag.left -= decorated_rect.left - rect.left;
2733           undecorated_drag.right -= decorated_rect.right - rect.right;
2734           undecorated_drag.top -= decorated_rect.top - rect.top;
2735           undecorated_drag.bottom -= decorated_rect.bottom - rect.bottom;
2736
2737           decoration_width = (decorated_rect.right - decorated_rect.left) - (rect.right - rect.left);
2738           decoration_height = (decorated_rect.bottom - decorated_rect.top) - (rect.bottom - rect.top);
2739
2740           drag_width = undecorated_drag.right - undecorated_drag.left;
2741           drag_height = undecorated_drag.bottom - undecorated_drag.top;
2742
2743           drag_aspect = (gdouble) drag_width / drag_height;
2744
2745           GDK_NOTE (EVENTS, g_print (" (ASPECT:%g--%g curr: %g)",
2746                                      impl->hints.min_aspect, impl->hints.max_aspect, drag_aspect));
2747
2748           if (drag_aspect < impl->hints.min_aspect)
2749             {
2750               /* Aspect is getting too narrow */
2751               switch (msg->wParam)
2752                 {
2753                 case WMSZ_BOTTOM:
2754                 case WMSZ_TOP:
2755                   /* User drags top or bottom edge outward. Keep height, increase width. */
2756                   new_width = impl->hints.min_aspect * drag_height;
2757                   drag->left -= (new_width - drag_width) / 2;
2758                   drag->right = drag->left + new_width + decoration_width;
2759                   break;
2760                 case WMSZ_BOTTOMLEFT:
2761                 case WMSZ_BOTTOMRIGHT:
2762                   /* User drags bottom-left or bottom-right corner down. Adjust height. */
2763                   new_height = drag_width / impl->hints.min_aspect;
2764                   drag->bottom = drag->top + new_height + decoration_height;
2765                   break;
2766                 case WMSZ_LEFT:
2767                 case WMSZ_RIGHT:
2768                   /* User drags left or right edge inward. Decrease height */
2769                   new_height = drag_width / impl->hints.min_aspect;
2770                   drag->top += (drag_height - new_height) / 2;
2771                   drag->bottom = drag->top + new_height + decoration_height;
2772                   break;
2773                 case WMSZ_TOPLEFT:
2774                 case WMSZ_TOPRIGHT:
2775                   /* User drags top-left or top-right corner up. Adjust height. */
2776                   new_height = drag_width / impl->hints.min_aspect;
2777                   drag->top = drag->bottom - new_height - decoration_height;
2778                 }
2779             }
2780           else if (drag_aspect > impl->hints.max_aspect)
2781             {
2782               /* Aspect is getting too wide */
2783               switch (msg->wParam)
2784                 {
2785                 case WMSZ_BOTTOM:
2786                 case WMSZ_TOP:
2787                   /* User drags top or bottom edge inward. Decrease width. */
2788                   new_width = impl->hints.max_aspect * drag_height;
2789                   drag->left += (drag_width - new_width) / 2;
2790                   drag->right = drag->left + new_width + decoration_width;
2791                   break;
2792                 case WMSZ_BOTTOMLEFT:
2793                 case WMSZ_TOPLEFT:
2794                   /* User drags bottom-left or top-left corner left. Adjust width. */
2795                   new_width = impl->hints.max_aspect * drag_height;
2796                   drag->left = drag->right - new_width - decoration_width;
2797                   break;
2798                 case WMSZ_BOTTOMRIGHT:
2799                 case WMSZ_TOPRIGHT:
2800                   /* User drags bottom-right or top-right corner right. Adjust width. */
2801                   new_width = impl->hints.max_aspect * drag_height;
2802                   drag->right = drag->left + new_width + decoration_width;
2803                   break;
2804                 case WMSZ_LEFT:
2805                 case WMSZ_RIGHT:
2806                   /* User drags left or right edge outward. Increase height. */
2807                   new_height = drag_width / impl->hints.max_aspect;
2808                   drag->top -= (new_height - drag_height) / 2;
2809                   drag->bottom = drag->top + new_height + decoration_height;
2810                   break;
2811                 }
2812             }
2813
2814           *ret_valp = TRUE;
2815           return_val = TRUE;
2816           GDK_NOTE (EVENTS, g_print (" (handled ASPECT: %s)",
2817                                      _gdk_win32_rect_to_string (drag)));
2818         }
2819       break;
2820
2821     case WM_GETMINMAXINFO:
2822       if (GDK_WINDOW_DESTROYED (window))
2823         break;
2824
2825       impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
2826       mmi = (MINMAXINFO*) msg->lParam;
2827       GDK_NOTE (EVENTS, g_print (" (mintrack:%ldx%ld maxtrack:%ldx%ld "
2828                                  "maxpos:%+ld%+ld maxsize:%ldx%ld)",
2829                                  mmi->ptMinTrackSize.x, mmi->ptMinTrackSize.y,
2830                                  mmi->ptMaxTrackSize.x, mmi->ptMaxTrackSize.y,
2831                                  mmi->ptMaxPosition.x, mmi->ptMaxPosition.y,
2832                                  mmi->ptMaxSize.x, mmi->ptMaxSize.y));
2833
2834       if (impl->hint_flags & GDK_HINT_MIN_SIZE)
2835         {
2836           rect.left = rect.top = 0;
2837           rect.right = impl->hints.min_width;
2838           rect.bottom = impl->hints.min_height;
2839
2840           _gdk_win32_adjust_client_rect (window, &rect);
2841
2842           mmi->ptMinTrackSize.x = rect.right - rect.left;
2843           mmi->ptMinTrackSize.y = rect.bottom - rect.top;
2844         }
2845
2846       if (impl->hint_flags & GDK_HINT_MAX_SIZE)
2847         {
2848           int maxw, maxh;
2849
2850           rect.left = rect.top = 0;
2851           rect.right = impl->hints.max_width;
2852           rect.bottom = impl->hints.max_height;
2853
2854           _gdk_win32_adjust_client_rect (window, &rect);
2855
2856           /* at least on win9x we have the 16 bit trouble */
2857           maxw = rect.right - rect.left;
2858           maxh = rect.bottom - rect.top;
2859           mmi->ptMaxTrackSize.x = maxw > 0 && maxw < G_MAXSHORT ? maxw : G_MAXSHORT;
2860           mmi->ptMaxTrackSize.y = maxh > 0 && maxh < G_MAXSHORT ? maxh : G_MAXSHORT;
2861         }
2862
2863       if (impl->hint_flags & (GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE))
2864         {
2865           /* Don't call DefWindowProcW() */
2866           GDK_NOTE (EVENTS, g_print (" (handled, mintrack:%ldx%ld maxtrack:%ldx%ld "
2867                                      "maxpos:%+ld%+ld maxsize:%ldx%ld)",
2868                                      mmi->ptMinTrackSize.x, mmi->ptMinTrackSize.y,
2869                                      mmi->ptMaxTrackSize.x, mmi->ptMaxTrackSize.y,
2870                                      mmi->ptMaxPosition.x, mmi->ptMaxPosition.y,
2871                                      mmi->ptMaxSize.x, mmi->ptMaxSize.y));
2872           return_val = TRUE;
2873         }
2874       break;
2875
2876     case WM_MOVE:
2877       GDK_NOTE (EVENTS, g_print (" (%d,%d)",
2878                                  GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam)));
2879
2880       if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD &&
2881           !IsIconic (msg->hwnd))
2882         {
2883           if (!GDK_WINDOW_DESTROYED (window))
2884             handle_configure_event (msg, window);
2885
2886           return_val = TRUE;
2887         }
2888       break;
2889
2890     case WM_CLOSE:
2891       if (GDK_WINDOW_DESTROYED (window))
2892         break;
2893
2894       event = gdk_event_new (GDK_DELETE);
2895       event->any.window = window;
2896
2897       append_event (event);
2898
2899       impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
2900
2901       if (impl->transient_owner && GetForegroundWindow() == GDK_WINDOW_HWND (window))
2902         {
2903           SetForegroundWindow (GDK_WINDOW_HWND (impl->transient_owner));
2904         }
2905
2906       return_val = TRUE;
2907       break;
2908
2909     case WM_DESTROY:
2910       if (pointer_grab != NULL)
2911         {
2912           if (pointer_grab->window == window)
2913             gdk_pointer_ungrab (msg->time);
2914         }
2915
2916       if (keyboard_grab &&
2917           keyboard_grab->window == window)
2918         gdk_keyboard_ungrab (msg->time);
2919
2920       if ((window != NULL) && (msg->hwnd != GetDesktopWindow ()))
2921         gdk_window_destroy_notify (window);
2922
2923       if (window == NULL || GDK_WINDOW_DESTROYED (window))
2924         break;
2925
2926       event = gdk_event_new (GDK_DESTROY);
2927       event->any.window = window;
2928
2929       append_event (event);
2930
2931       return_val = TRUE;
2932       break;
2933
2934     case WM_DISPLAYCHANGE:
2935       handle_display_change ();
2936       break;
2937
2938     case WM_DESTROYCLIPBOARD:
2939       if (!_ignore_destroy_clipboard)
2940         {
2941           event = gdk_event_new (GDK_SELECTION_CLEAR);
2942           event->selection.window = window;
2943           event->selection.selection = GDK_SELECTION_CLIPBOARD;
2944           event->selection.time = _gdk_win32_get_next_tick (msg->time);
2945           append_event (event);
2946         }
2947       else
2948         {
2949           return_val = TRUE;
2950         }
2951
2952       break;
2953
2954     case WM_RENDERFORMAT:
2955       GDK_NOTE (EVENTS, g_print (" %s", _gdk_win32_cf_to_string (msg->wParam)));
2956
2957       if (!(target = g_hash_table_lookup (_format_atom_table, GINT_TO_POINTER (msg->wParam))))
2958         {
2959           GDK_NOTE (EVENTS, g_print (" (target not found)"));
2960           return_val = TRUE;
2961           break;
2962         }
2963
2964       /* We need to render to clipboard immediately, don't call
2965        * append_event()
2966        */
2967       event = gdk_event_new (GDK_SELECTION_REQUEST);
2968       event->selection.window = window;
2969       event->selection.send_event = FALSE;
2970       event->selection.selection = GDK_SELECTION_CLIPBOARD;
2971       event->selection.target = target;
2972       event->selection.property = _gdk_selection;
2973       event->selection.requestor = gdk_win32_handle_table_lookup (msg->hwnd);
2974       event->selection.time = msg->time;
2975
2976       fixup_event (event);
2977       GDK_NOTE (EVENTS, g_print (" (calling _gdk_event_emit)"));
2978       GDK_NOTE (EVENTS, _gdk_win32_print_event (event));
2979       _gdk_event_emit (event);
2980       gdk_event_free (event);
2981
2982       /* Now the clipboard owner should have rendered */
2983       if (!_delayed_rendering_data)
2984         {
2985           GDK_NOTE (EVENTS, g_print (" (no _delayed_rendering_data?)"));
2986         }
2987       else
2988         {
2989           if (msg->wParam == CF_DIB)
2990             {
2991               _delayed_rendering_data =
2992                 _gdk_win32_selection_convert_to_dib (_delayed_rendering_data,
2993                                                      target);
2994               if (!_delayed_rendering_data)
2995                 {
2996                   g_warning ("Cannot convert to DIB from delayed rendered image");
2997                   break;
2998                 }
2999             }
3000
3001           /* The requestor is holding the clipboard, no
3002            * OpenClipboard() is required/possible
3003            */
3004           GDK_NOTE (DND,
3005                     g_print (" SetClipboardData(%s,%p)",
3006                              _gdk_win32_cf_to_string (msg->wParam),
3007                              _delayed_rendering_data));
3008
3009           API_CALL (SetClipboardData, (msg->wParam, _delayed_rendering_data));
3010           _delayed_rendering_data = NULL;
3011         }
3012       break;
3013
3014     case WM_ACTIVATE:
3015       GDK_NOTE (EVENTS, g_print (" %s%s %p",
3016                                  (LOWORD (msg->wParam) == WA_ACTIVE ? "ACTIVE" :
3017                                   (LOWORD (msg->wParam) == WA_CLICKACTIVE ? "CLICKACTIVE" :
3018                                    (LOWORD (msg->wParam) == WA_INACTIVE ? "INACTIVE" : "???"))),
3019                                  HIWORD (msg->wParam) ? " minimized" : "",
3020                                  (HWND) msg->lParam));
3021       /* We handle mouse clicks for modally-blocked windows under WM_MOUSEACTIVATE,
3022        * but we still need to deal with alt-tab, or with SetActiveWindow() type
3023        * situations.
3024        */
3025       if (is_modally_blocked (window) && LOWORD (msg->wParam) == WA_ACTIVE)
3026         {
3027           GdkWindow *modal_current = _gdk_modal_current ();
3028           SetActiveWindow (GDK_WINDOW_HWND (modal_current));
3029           *ret_valp = 0;
3030           return_val = TRUE;
3031           break;
3032         }
3033
3034       /* Bring any tablet contexts to the top of the overlap order when
3035        * one of our windows is activated.
3036        * NOTE: It doesn't seem to work well if it is done in WM_ACTIVATEAPP
3037        * instead
3038        */
3039       if (LOWORD(msg->wParam) != WA_INACTIVE)
3040         _gdk_input_set_tablet_active ();
3041       break;
3042
3043     case WM_ACTIVATEAPP:
3044       GDK_NOTE (EVENTS, g_print (" %s thread: %I64d",
3045                                  msg->wParam ? "YES" : "NO",
3046                                  (gint64) msg->lParam));
3047       if (msg->wParam && GDK_WINDOW_IS_MAPPED (window))
3048         ensure_stacking_on_activate_app (msg, window);
3049       break;
3050
3051       /* Handle WINTAB events here, as we know that gdkinput.c will
3052        * use the fixed WT_DEFBASE as lcMsgBase, and we thus can use the
3053        * constants as case labels.
3054        */
3055     case WT_PACKET:
3056       GDK_NOTE (EVENTS, g_print (" %d %p",
3057                                  (int) msg->wParam, (gpointer) msg->lParam));
3058       goto wintab;
3059
3060     case WT_CSRCHANGE:
3061       GDK_NOTE (EVENTS, g_print (" %d %p",
3062                                  (int) msg->wParam, (gpointer) msg->lParam));
3063       goto wintab;
3064
3065     case WT_PROXIMITY:
3066       GDK_NOTE (EVENTS, g_print (" %p %d %d",
3067                                  (gpointer) msg->wParam,
3068                                  LOWORD (msg->lParam),
3069                                  HIWORD (msg->lParam)));
3070       /* Fall through */
3071     wintab:
3072
3073       event = gdk_event_new (GDK_NOTHING);
3074       event->any.window = window;
3075       g_object_ref (window);
3076
3077       if (_gdk_input_other_event (event, msg, window))
3078         append_event (event);
3079       else
3080         gdk_event_free (event);
3081
3082       break;
3083     }
3084
3085 done:
3086
3087   if (window)
3088     g_object_unref (window);
3089
3090 #undef return
3091   return return_val;
3092 }
3093
3094 void
3095 _gdk_win32_display_queue_events (GdkDisplay *display)
3096 {
3097   MSG msg;
3098
3099   if (modal_win32_dialog != NULL)
3100     return;
3101
3102   while (!_gdk_event_queue_find_first (display) &&
3103          PeekMessageW (&msg, NULL, 0, 0, PM_REMOVE))
3104     {
3105       TranslateMessage (&msg);
3106       DispatchMessageW (&msg);
3107     }
3108 }
3109
3110 static gboolean
3111 gdk_event_prepare (GSource *source,
3112                    gint    *timeout)
3113 {
3114   MSG msg;
3115   gboolean retval;
3116
3117   GDK_THREADS_ENTER ();
3118
3119   *timeout = -1;
3120
3121   retval = (_gdk_event_queue_find_first (_gdk_display) != NULL ||
3122             (modal_win32_dialog == NULL &&
3123              PeekMessageW (&msg, NULL, 0, 0, PM_NOREMOVE)));
3124
3125   GDK_THREADS_LEAVE ();
3126
3127   return retval;
3128 }
3129
3130 static gboolean
3131 gdk_event_check (GSource *source)
3132 {
3133   MSG msg;
3134   gboolean retval;
3135
3136   GDK_THREADS_ENTER ();
3137
3138   if (event_poll_fd.revents & G_IO_IN)
3139     {
3140       retval = (_gdk_event_queue_find_first (_gdk_display) != NULL ||
3141                 (modal_win32_dialog == NULL &&
3142                  PeekMessageW (&msg, NULL, 0, 0, PM_NOREMOVE)));
3143     }
3144   else
3145     {
3146       retval = FALSE;
3147     }
3148
3149   GDK_THREADS_LEAVE ();
3150
3151   return retval;
3152 }
3153
3154 static gboolean
3155 gdk_event_dispatch (GSource     *source,
3156                     GSourceFunc  callback,
3157                     gpointer     user_data)
3158 {
3159   GdkEvent *event;
3160
3161   GDK_THREADS_ENTER ();
3162
3163   _gdk_win32_display_queue_events (_gdk_display);
3164   event = _gdk_event_unqueue (_gdk_display);
3165
3166   if (event)
3167     {
3168       _gdk_event_emit (event);
3169
3170       gdk_event_free (event);
3171
3172       /* Do drag & drop if it is still pending */
3173       if (_dnd_source_state == GDK_WIN32_DND_PENDING)
3174         {
3175           _dnd_source_state = GDK_WIN32_DND_DRAGGING;
3176           _gdk_win32_dnd_do_dragdrop ();
3177           _dnd_source_state = GDK_WIN32_DND_NONE;
3178         }
3179     }
3180
3181   GDK_THREADS_LEAVE ();
3182
3183   return TRUE;
3184 }
3185
3186 void
3187 gdk_win32_set_modal_dialog_libgtk_only (HWND window)
3188 {
3189   modal_win32_dialog = window;
3190 }
3191
3192 static gboolean
3193 is_modally_blocked (GdkWindow *window)
3194 {
3195   GdkWindow *modal_current = _gdk_modal_current ();
3196   return modal_current != NULL ? gdk_window_get_toplevel (window) != modal_current : FALSE;
3197 }
3198
3199 void
3200 _gdk_win32_display_sync (GdkDisplay * display)
3201 {
3202   MSG msg;
3203
3204   g_return_if_fail (display == _gdk_display);
3205
3206   /* Process all messages currently available */
3207   while (PeekMessageW (&msg, NULL, 0, 0, PM_REMOVE))
3208     DispatchMessageW (&msg);
3209 }
3210