/* GDK - The GIMP Drawing Kit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * Copyright (C) 1998-2002 Tor Lillqvist * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ /* Cannot use TrackMouseEvent, as the stupid WM_MOUSELEAVE message * doesn't tell us where the mouse has gone. Thus we cannot use it to * generate a correct GdkNotifyType. Pity, as using TrackMouseEvent * otherwise would make it possible to reliably generate * GDK_LEAVE_NOTIFY events, which would help get rid of those pesky * tooltips sometimes popping up in the wrong place. * * Update: a combination of TrackMouseEvent, GetCursorPos and * GetWindowPos can and is actually used to get rid of those * pesky tooltips. It should be possible to use this for the * whole ENTER/LEAVE NOTIFY handling but some platforms may * not have TrackMouseEvent at all (?) --hb */ #include #include #if defined (__GNUC__) && defined (HAVE_DIMM_H) /* The w32api imm.h clashes a bit with the IE5.5 dimm.h */ # define IMEMENUITEMINFOA hidden_IMEMENUITEMINFOA # define IMEMENUITEMINFOW hidden_IMEMENUITEMINFOW #endif #include "gdk.h" #include "gdkprivate-win32.h" #include "gdkinput-win32.h" #include "gdkkeysyms.h" #include #ifdef G_WITH_CYGWIN #include #include #endif #include #include #if defined (__GNUC__) && defined (HAVE_DIMM_H) # undef IMEMENUITEMINFOA # undef IMEMENUITEMINFOW #endif #ifdef HAVE_DIMM_H #include #endif #ifndef XBUTTON1 #define XBUTTON1 1 #define XBUTTON2 2 #endif #ifndef VK_XBUTTON1 #define VK_XBUTTON1 5 #define VK_XBUTTON2 6 #endif #ifndef MK_XBUTTON1 #define MK_XBUTTON1 32 #define MK_XBUTTON2 64 #endif /* * Private function declarations */ static GdkFilterReturn gdk_event_apply_filters(MSG *msg, GdkEvent *event, GList *filters); static gboolean gdk_event_translate (GdkDisplay *display, MSG *msg, gint *ret_valp); static void handle_wm_paint (MSG *msg, GdkWindow *window, gboolean return_exposes, GdkEvent **event); static gboolean gdk_event_prepare (GSource *source, gint *timeout); static gboolean gdk_event_check (GSource *source); static gboolean gdk_event_dispatch (GSource *source, GSourceFunc callback, gpointer user_data); /* Private variable declarations */ static GdkWindow *p_grab_window = NULL; /* Window that currently holds * the pointer grab */ static GdkWindow *p_grab_confine_to = NULL; static GdkWindow *k_grab_window = NULL; /* Window the holds the * keyboard grab */ static GList *client_filters; /* Filters for client messages */ static gboolean p_grab_automatic; static GdkEventMask p_grab_mask; static gboolean p_grab_owner_events, k_grab_owner_events; static HCURSOR p_grab_cursor; static GSourceFuncs event_funcs = { gdk_event_prepare, gdk_event_check, gdk_event_dispatch, NULL }; GPollFD event_poll_fd; static GdkWindow *current_window = NULL; static gint current_x, current_y; #if 0 static UINT gdk_ping_msg; #endif static UINT msh_mousewheel; static UINT client_message; #ifdef HAVE_DIMM_H static IActiveIMMApp *active_imm_app = NULL; static IActiveIMMMessagePumpOwner *active_imm_msgpump_owner = NULL; #endif #if 0 static HKL latin_locale = NULL; #endif static gboolean in_ime_composition = FALSE; static gboolean resizing = FALSE; static UINT resize_timer; static int debug_indent = 0; static void assign_object (gpointer lhsp, gpointer rhs) { if (*(gpointer *)lhsp != rhs) { if (*(gpointer *)lhsp != NULL) g_object_unref (*(gpointer *)lhsp); *(gpointer *)lhsp = rhs; if (rhs != NULL) g_object_ref (rhs); } } static void track_mouse_event (DWORD dwFlags, HWND hwnd) { typedef BOOL (WINAPI *PFN_TrackMouseEvent) (LPTRACKMOUSEEVENT); static PFN_TrackMouseEvent p_TrackMouseEvent = NULL; static gboolean once = FALSE; if (!once) { HMODULE user32; HINSTANCE commctrl32; user32 = GetModuleHandle ("user32.dll"); if ((p_TrackMouseEvent = (PFN_TrackMouseEvent)GetProcAddress (user32, "TrackMouseEvent")) == NULL) { if ((commctrl32 = LoadLibrary ("commctrl32.dll")) != NULL) p_TrackMouseEvent = (PFN_TrackMouseEvent) GetProcAddress (commctrl32, "_TrackMouseEvent"); } once = TRUE; } if (p_TrackMouseEvent) { TRACKMOUSEEVENT tme; tme.cbSize = sizeof(TRACKMOUSEEVENT); tme.dwFlags = dwFlags; tme.hwndTrack = hwnd; tme.dwHoverTime = HOVER_DEFAULT; /* not used */ if (!p_TrackMouseEvent (&tme)) WIN32_API_FAILED ("TrackMouseEvent"); else if (dwFlags == TME_LEAVE) GDK_NOTE (EVENTS, g_print(" (TrackMouseEvent %p)", hwnd)); else if (dwFlags == TME_CANCEL) GDK_NOTE (EVENTS, g_print(" (cancel TrackMouseEvent %p)", hwnd)); } } gulong _gdk_win32_get_next_tick (gulong suggested_tick) { static gulong cur_tick = 0; if (suggested_tick == 0) suggested_tick = GetTickCount (); if (suggested_tick <= cur_tick) return ++cur_tick; else return cur_tick = suggested_tick; } static LRESULT inner_window_procedure (HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) { GdkDisplay *display = gdk_display_get_default (); MSG msg; DWORD pos; #ifdef HAVE_DIMM_H LRESULT lres; #endif gint ret_val = 0; msg.hwnd = hwnd; msg.message = message; msg.wParam = wparam; msg.lParam = lparam; msg.time = _gdk_win32_get_next_tick (0); pos = GetMessagePos (); msg.pt.x = GET_X_LPARAM (pos); msg.pt.y = GET_Y_LPARAM (pos); if (gdk_event_translate (display, &msg, &ret_val)) { /* If gdk_event_translate() returns TRUE, we return ret_val from * the window procedure. */ return ret_val; } else { /* Otherwise call DefWindowProc(). */ GDK_NOTE (EVENTS, g_print (" DefWindowProc")); #ifndef HAVE_DIMM_H return DefWindowProc (hwnd, message, wparam, lparam); #else if (active_imm_app == NULL || (*active_imm_app->lpVtbl->OnDefWindowProc) (active_imm_app, hwnd, message, wparam, lparam, &lres) == S_FALSE) return DefWindowProc (hwnd, message, wparam, lparam); else return lres; #endif } } LRESULT CALLBACK _gdk_win32_window_procedure (HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) { LRESULT retval; GDK_NOTE (EVENTS, g_print ("%s%*s%s %p", (debug_indent > 0 ? "\n" : ""), debug_indent, "", _gdk_win32_message_to_string (message), hwnd)); debug_indent += 2; retval = inner_window_procedure (hwnd, message, wparam, lparam); debug_indent -= 2; GDK_NOTE (EVENTS, g_print (" => %ld%s", retval, (debug_indent == 0 ? "\n" : ""))); return retval; } void _gdk_events_init (void) { GSource *source; #ifdef HAVE_DIMM_H HRESULT hres; #endif #if 0 int i, j, n; /* List of languages that use a latin keyboard. Somewhat sorted in * "order of least surprise", in case we have to load one of them if * the user only has arabic loaded, for instance. */ static int latin_languages[] = { LANG_ENGLISH, LANG_SPANISH, LANG_PORTUGUESE, LANG_FRENCH, LANG_GERMAN, /* Rest in numeric order */ LANG_CZECH, LANG_DANISH, LANG_FINNISH, LANG_HUNGARIAN, LANG_ICELANDIC, LANG_ITALIAN, LANG_DUTCH, LANG_NORWEGIAN, LANG_POLISH, LANG_ROMANIAN, LANG_SLOVAK, LANG_ALBANIAN, LANG_SWEDISH, LANG_TURKISH, LANG_INDONESIAN, LANG_SLOVENIAN, LANG_ESTONIAN, LANG_LATVIAN, LANG_LITHUANIAN, LANG_VIETNAMESE, LANG_AFRIKAANS, LANG_FAEROESE #ifdef LANG_SWAHILI ,LANG_SWAHILI #endif }; #endif #if 0 gdk_ping_msg = RegisterWindowMessage ("gdk-ping"); GDK_NOTE (EVENTS, g_print ("gdk-ping = %#x\n", gdk_ping_msg)); #endif /* This is the string MSH_MOUSEWHEEL from zmouse.h, * http://www.microsoft.com/mouse/intellimouse/sdk/zmouse.h * This message is used by mouse drivers than cannot generate WM_MOUSEWHEEL * or on Win95. */ msh_mousewheel = RegisterWindowMessage ("MSWHEEL_ROLLMSG"); client_message = RegisterWindowMessage ("GDK_WIN32_CLIENT_MESSAGE"); #if 0 /* Check if we have some input locale identifier loaded that uses a * latin keyboard, to be able to get the virtual-key code for the * latin characters corresponding to ASCII control characters. */ if ((n = GetKeyboardLayoutList (0, NULL)) == 0) WIN32_API_FAILED ("GetKeyboardLayoutList"); else { HKL *hkl_list = g_new (HKL, n); if (GetKeyboardLayoutList (n, hkl_list) == 0) WIN32_API_FAILED ("GetKeyboardLayoutList"); else { for (i = 0; latin_locale == NULL && i < n; i++) for (j = 0; j < G_N_ELEMENTS (latin_languages); j++) if (PRIMARYLANGID (LOWORD (hkl_list[i])) == latin_languages[j]) { latin_locale = hkl_list [i]; break; } } g_free (hkl_list); } if (latin_locale == NULL) { /* Try to load a keyboard layout with latin characters then. */ i = 0; while (latin_locale == NULL && i < G_N_ELEMENTS (latin_languages)) { char id[9]; g_sprintf (id, "%08x", MAKELANGID (latin_languages[i++], SUBLANG_DEFAULT)); latin_locale = LoadKeyboardLayout (id, KLF_NOTELLSHELL|KLF_SUBSTITUTE_OK); } } GDK_NOTE (EVENTS, g_print ("latin_locale = %08x\n", (guint) latin_locale)); #endif source = g_source_new (&event_funcs, sizeof (GSource)); g_source_set_priority (source, GDK_PRIORITY_EVENTS); #ifdef G_WITH_CYGWIN event_poll_fd.fd = open ("/dev/windows", O_RDONLY); if (event_poll_fd.fd == -1) g_error ("can't open \"/dev/windows\": %s", g_strerror (errno)); #else event_poll_fd.fd = G_WIN32_MSG_HANDLE; #endif event_poll_fd.events = G_IO_IN; g_source_add_poll (source, &event_poll_fd); g_source_set_can_recurse (source, TRUE); g_source_attach (source, NULL); #ifdef HAVE_DIMM_H hres = CoCreateInstance (&CLSID_CActiveIMM, NULL, CLSCTX_ALL, &IID_IActiveIMMApp, (LPVOID *) &active_imm_app); if (hres == S_OK) { GDK_NOTE (EVENTS, g_print ("IActiveIMMApp created %p\n", active_imm_app)); (*active_imm_app->lpVtbl->Activate) (active_imm_app, TRUE); hres = (*active_imm_app->lpVtbl->QueryInterface) (active_imm_app, &IID_IActiveIMMMessagePumpOwner, (void **) &active_imm_msgpump_owner); GDK_NOTE (EVENTS, g_print ("IActiveIMMMessagePumpOwner created %p\n", active_imm_msgpump_owner)); (active_imm_msgpump_owner->lpVtbl->Start) (active_imm_msgpump_owner); } #endif } gboolean gdk_events_pending (void) { MSG msg; GdkDisplay *display = gdk_display_get_default (); return (_gdk_event_queue_find_first (display) || PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE)); } GdkEvent* gdk_event_get_graphics_expose (GdkWindow *window) { MSG msg; GdkEvent *event = NULL; g_return_val_if_fail (window != NULL, NULL); GDK_NOTE (EVENTS, g_print ("gdk_event_get_graphics_expose\n")); if (PeekMessage (&msg, GDK_WINDOW_HWND (window), WM_PAINT, WM_PAINT, PM_REMOVE)) { handle_wm_paint (&msg, window, TRUE, &event); if (event != NULL) { GDK_NOTE (EVENTS, g_print ("gdk_event_get_graphics_expose: got it!\n")); return event; } } GDK_NOTE (EVENTS, g_print ("gdk_event_get_graphics_expose: nope\n")); return NULL; } static char * event_mask_string (GdkEventMask mask) { static char bfr[500]; char *p = bfr; *p = '\0'; #define BIT(x) \ if (mask & GDK_##x##_MASK) \ p += g_sprintf (p, "%s" #x, (p > bfr ? " " : "")) BIT (EXPOSURE); BIT (POINTER_MOTION); BIT (POINTER_MOTION_HINT); BIT (BUTTON_MOTION); BIT (BUTTON1_MOTION); BIT (BUTTON2_MOTION); BIT (BUTTON3_MOTION); BIT (BUTTON_PRESS); BIT (BUTTON_RELEASE); BIT (KEY_PRESS); BIT (KEY_RELEASE); BIT (ENTER_NOTIFY); BIT (LEAVE_NOTIFY); BIT (FOCUS_CHANGE); BIT (STRUCTURE); BIT (PROPERTY_CHANGE); BIT (VISIBILITY_NOTIFY); BIT (PROXIMITY_IN); BIT (PROXIMITY_OUT); BIT (SUBSTRUCTURE); BIT (SCROLL); #undef BIT return bfr; } GdkGrabStatus gdk_pointer_grab (GdkWindow *window, gboolean owner_events, GdkEventMask event_mask, GdkWindow *confine_to, GdkCursor *cursor, guint32 time) { HCURSOR hcursor; GdkCursorPrivate *cursor_private; gint return_val = GDK_GRAB_SUCCESS; g_return_val_if_fail (window != NULL, 0); g_return_val_if_fail (GDK_IS_WINDOW (window), 0); g_return_val_if_fail (confine_to == NULL || GDK_IS_WINDOW (confine_to), 0); cursor_private = (GdkCursorPrivate*) cursor; if (!cursor) hcursor = NULL; else if ((hcursor = CopyCursor (cursor_private->hcursor)) == NULL) WIN32_API_FAILED ("CopyCursor"); #if 0 return_val = _gdk_input_grab_pointer (window, owner_events, event_mask, confine_to, time); #endif if (return_val == GDK_GRAB_SUCCESS) { if (!GDK_WINDOW_DESTROYED (window)) { GDK_NOTE (EVENTS, g_print ("%sgdk_pointer_grab: %p %s %p %s%s", (debug_indent > 0 ? "\n" : ""), GDK_WINDOW_HWND (window), (owner_events ? "TRUE" : "FALSE"), hcursor, event_mask_string (event_mask), (debug_indent == 0 ? "\n" : ""))); p_grab_mask = event_mask; p_grab_owner_events = owner_events; p_grab_automatic = FALSE; SetCapture (GDK_WINDOW_HWND (window)); return_val = GDK_GRAB_SUCCESS; } else return_val = GDK_GRAB_ALREADY_GRABBED; } if (return_val == GDK_GRAB_SUCCESS) { GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl); p_grab_window = window; if (p_grab_cursor != NULL) { if (GetCursor () == p_grab_cursor) SetCursor (NULL); DestroyCursor (p_grab_cursor); } p_grab_cursor = hcursor; if (p_grab_cursor != NULL) SetCursor (p_grab_cursor); else if (impl->hcursor != NULL) SetCursor (impl->hcursor); else SetCursor (LoadCursor (NULL, IDC_ARROW)); if (confine_to != NULL) { gint x, y, width, height; RECT rect; gdk_window_get_origin (confine_to, &x, &y); gdk_drawable_get_size (confine_to, &width, &height); rect.left = x; rect.top = y; rect.right = x + width; rect.bottom = y + height; API_CALL (ClipCursor, (&rect)); p_grab_confine_to = confine_to; } /* FIXME: Generate GDK_CROSSING_GRAB events */ } return return_val; } void gdk_display_pointer_ungrab (GdkDisplay *display, guint32 time) { g_return_if_fail (display == gdk_display_get_default ()); GDK_NOTE (EVENTS, g_print ("%sgdk_display_pointer_ungrab%s", (debug_indent > 0 ? "\n" : ""), (debug_indent == 0 ? "\n" : ""))); #if 0 _gdk_input_ungrab_pointer (time); #endif if (GetCapture () != NULL) ReleaseCapture (); /* FIXME: Generate GDK_CROSSING_UNGRAB events */ p_grab_window = NULL; if (p_grab_cursor != NULL) { if (GetCursor () == p_grab_cursor) SetCursor (NULL); DestroyCursor (p_grab_cursor); p_grab_cursor = NULL; } if (p_grab_confine_to != NULL) { API_CALL (ClipCursor, (NULL)); p_grab_confine_to = NULL; } } static GdkWindow * find_real_window_for_grabbed_mouse_event (GdkWindow* reported_window, MSG* msg) { HWND hwnd; POINTS points; POINT pt; GdkWindow* other_window = NULL; points = MAKEPOINTS (msg->lParam); pt.x = points.x; pt.y = points.y; ClientToScreen (msg->hwnd, &pt); hwnd = WindowFromPoint (pt); if (hwnd != NULL) { RECT rect; GetClientRect (hwnd, &rect); ScreenToClient (hwnd, &pt); if (!PtInRect (&rect, pt)) return _gdk_parent_root; other_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) hwnd); } if (other_window == NULL) return _gdk_parent_root; return other_window; } static GdkWindow* find_window_for_mouse_event (GdkWindow* reported_window, MSG* msg) { if (p_grab_window == NULL || !p_grab_owner_events) return reported_window; else return find_real_window_for_grabbed_mouse_event (reported_window, msg); } gboolean gdk_display_pointer_is_grabbed (GdkDisplay *display) { g_return_val_if_fail (display == gdk_display_get_default (), FALSE); GDK_NOTE (EVENTS, g_print ("gdk_pointer_is_grabbed: %s\n", p_grab_window != NULL ? "TRUE" : "FALSE")); return p_grab_window != NULL; } gboolean gdk_pointer_grab_info_libgtk_only (GdkDisplay *display, GdkWindow **grab_window, gboolean *owner_events) { g_return_val_if_fail (display == gdk_display_get_default (), FALSE); if (p_grab_window != NULL) { if (grab_window) *grab_window = p_grab_window; if (owner_events) *owner_events = p_grab_owner_events; return TRUE; } else return FALSE; } GdkGrabStatus gdk_keyboard_grab (GdkWindow *window, gboolean owner_events, guint32 time) { gint return_val; g_return_val_if_fail (window != NULL, 0); g_return_val_if_fail (GDK_IS_WINDOW (window), 0); GDK_NOTE (EVENTS, g_print ("gdk_keyboard_grab %p\n", GDK_WINDOW_HWND (window))); if (!GDK_WINDOW_DESTROYED (window)) { k_grab_owner_events = owner_events != 0; return_val = GDK_GRAB_SUCCESS; } else return_val = GDK_GRAB_ALREADY_GRABBED; if (return_val == GDK_GRAB_SUCCESS) k_grab_window = window; return return_val; } void gdk_display_keyboard_ungrab (GdkDisplay *display, guint32 time) { g_return_if_fail (display == gdk_display_get_default ()); GDK_NOTE (EVENTS, g_print ("gdk_keyboard_ungrab\n")); k_grab_window = NULL; } gboolean gdk_keyboard_grab_info_libgtk_only (GdkDisplay *display, GdkWindow **grab_window, gboolean *owner_events) { g_return_val_if_fail (display == gdk_display_get_default (), FALSE); if (k_grab_window) { if (grab_window) *grab_window = k_grab_window; if (owner_events) *owner_events = k_grab_owner_events; return TRUE; } else return FALSE; } static GdkFilterReturn gdk_event_apply_filters (MSG *msg, GdkEvent *event, GList *filters) { GdkEventFilter *filter; GList *tmp_list; GdkFilterReturn result; tmp_list = filters; while (tmp_list) { filter = (GdkEventFilter *) tmp_list->data; result = (*filter->function) (msg, event, filter->data); if (result != GDK_FILTER_CONTINUE) return result; tmp_list = tmp_list->next; } return GDK_FILTER_CONTINUE; } void gdk_display_add_client_message_filter (GdkDisplay *display, GdkAtom message_type, GdkFilterFunc func, gpointer data) { /* XXX */ gdk_add_client_message_filter (message_type, func, data); } void gdk_add_client_message_filter (GdkAtom message_type, GdkFilterFunc func, gpointer data) { GdkClientFilter *filter = g_new (GdkClientFilter, 1); filter->type = message_type; filter->function = func; filter->data = data; client_filters = g_list_append (client_filters, filter); } static void build_key_event_state (GdkEvent *event, BYTE *key_state) { event->key.state = 0; if (key_state[VK_SHIFT] & 0x80) event->key.state |= GDK_SHIFT_MASK; if (key_state[VK_CAPITAL] & 0x01) event->key.state |= GDK_LOCK_MASK; if (key_state[VK_LBUTTON] & 0x80) event->key.state |= GDK_BUTTON1_MASK; if (key_state[VK_MBUTTON] & 0x80) event->key.state |= GDK_BUTTON2_MASK; if (key_state[VK_RBUTTON] & 0x80) event->key.state |= GDK_BUTTON3_MASK; if (key_state[VK_XBUTTON1] & 0x80) event->key.state |= GDK_BUTTON4_MASK; if (key_state[VK_XBUTTON2] & 0x80) event->key.state |= GDK_BUTTON5_MASK; /* Win9x doesn't distinguish between left and right Control and Alt * in the keyboard state as returned by GetKeyboardState(), so we * have to punt, and accept either Control + either Alt to be AltGr. * * Alternatively, we could have some state saved when the Control * and Alt keys messages come in, as the KF_EXTENDED bit in lParam * does indicate correctly whether it is the right Control or Alt * key. But that would be a bit messy. */ if (!IS_WIN_NT () && _gdk_keyboard_has_altgr && key_state[VK_CONTROL] & 0x80 && key_state[VK_MENU] & 0x80) key_state[VK_LCONTROL] = key_state[VK_RMENU] = 0x80; if (_gdk_keyboard_has_altgr && (key_state[VK_LCONTROL] & 0x80) && (key_state[VK_RMENU] & 0x80)) { event->key.group = 1; event->key.state |= GDK_MOD2_MASK; if (key_state[VK_RCONTROL] & 0x80) event->key.state |= GDK_CONTROL_MASK; if (key_state[VK_LMENU] & 0x80) event->key.state |= GDK_MOD1_MASK; } else { event->key.group = 0; if (key_state[VK_CONTROL] & 0x80) event->key.state |= GDK_CONTROL_MASK; if (key_state[VK_MENU] & 0x80) event->key.state |= GDK_MOD1_MASK; } } static gint build_pointer_event_state (MSG *msg) { gint state; state = 0; if (msg->wParam & MK_CONTROL) state |= GDK_CONTROL_MASK; if (msg->wParam & MK_LBUTTON) state |= GDK_BUTTON1_MASK; if (msg->wParam & MK_MBUTTON) state |= GDK_BUTTON2_MASK; if (msg->wParam & MK_RBUTTON) state |= GDK_BUTTON3_MASK; if (msg->wParam & MK_XBUTTON1) state |= GDK_BUTTON4_MASK; if (msg->wParam & MK_XBUTTON2) state |= GDK_BUTTON5_MASK; if (msg->wParam & MK_SHIFT) state |= GDK_SHIFT_MASK; if (GetKeyState (VK_MENU) < 0) state |= GDK_MOD1_MASK; if (GetKeyState (VK_CAPITAL) & 0x1) state |= GDK_LOCK_MASK; return state; } static void build_wm_ime_composition_event (GdkEvent *event, MSG *msg, wchar_t wc, BYTE *key_state) { event->key.time = _gdk_win32_get_next_tick (msg->time); build_key_event_state (event, key_state); event->key.hardware_keycode = 0; /* FIXME: What should it be? */ event->key.string = NULL; event->key.length = 0; event->key.keyval = gdk_unicode_to_keyval (wc); } #ifdef G_ENABLE_DEBUG static void print_event_state (guint state) { #define CASE(bit) if (state & GDK_ ## bit ## _MASK) g_print (#bit " "); CASE (SHIFT); CASE (LOCK); CASE (CONTROL); CASE (MOD1); CASE (MOD2); CASE (MOD3); CASE (MOD4); CASE (MOD5); CASE (BUTTON1); CASE (BUTTON2); CASE (BUTTON3); CASE (BUTTON4); CASE (BUTTON5); #undef CASE } static void print_event (GdkEvent *event) { gchar *escaped, *kvname; g_print ("%s%*s===> ", (debug_indent > 0 ? "\n" : ""), debug_indent, ""); switch (event->any.type) { #define CASE(x) case x: g_print (#x); break; CASE (GDK_NOTHING); CASE (GDK_DELETE); CASE (GDK_DESTROY); CASE (GDK_EXPOSE); CASE (GDK_MOTION_NOTIFY); CASE (GDK_BUTTON_PRESS); CASE (GDK_2BUTTON_PRESS); CASE (GDK_3BUTTON_PRESS); CASE (GDK_BUTTON_RELEASE); CASE (GDK_KEY_PRESS); CASE (GDK_KEY_RELEASE); CASE (GDK_ENTER_NOTIFY); CASE (GDK_LEAVE_NOTIFY); CASE (GDK_FOCUS_CHANGE); CASE (GDK_CONFIGURE); CASE (GDK_MAP); CASE (GDK_UNMAP); CASE (GDK_PROPERTY_NOTIFY); CASE (GDK_SELECTION_CLEAR); CASE (GDK_SELECTION_REQUEST); CASE (GDK_SELECTION_NOTIFY); CASE (GDK_PROXIMITY_IN); CASE (GDK_PROXIMITY_OUT); CASE (GDK_DRAG_ENTER); CASE (GDK_DRAG_LEAVE); CASE (GDK_DRAG_MOTION); CASE (GDK_DRAG_STATUS); CASE (GDK_DROP_START); CASE (GDK_DROP_FINISHED); CASE (GDK_CLIENT_EVENT); CASE (GDK_VISIBILITY_NOTIFY); CASE (GDK_NO_EXPOSE); CASE (GDK_SCROLL); CASE (GDK_WINDOW_STATE); CASE (GDK_SETTING); #undef CASE default: g_assert_not_reached (); } g_print (" %p ", GDK_WINDOW_HWND (event->any.window)); switch (event->any.type) { case GDK_EXPOSE: g_print ("%s %d", _gdk_win32_gdkrectangle_to_string (&event->expose.area), event->expose.count); break; case GDK_MOTION_NOTIFY: g_print ("(%.4g,%.4g) (%.4g,%.4g) %s", event->motion.x, event->motion.y, event->motion.x_root, event->motion.y_root, event->motion.is_hint ? "HINT " : ""); print_event_state (event->motion.state); break; case GDK_BUTTON_PRESS: case GDK_2BUTTON_PRESS: case GDK_3BUTTON_PRESS: case GDK_BUTTON_RELEASE: g_print ("%d (%.4g,%.4g) (%.4g,%.4g) ", event->button.button, event->button.x, event->button.y, event->button.x_root, event->button.y_root); print_event_state (event->button.state); break; case GDK_KEY_PRESS: case GDK_KEY_RELEASE: if (event->key.length == 0) escaped = g_strdup (""); else escaped = g_strescape (event->key.string, NULL); kvname = gdk_keyval_name (event->key.keyval); g_print ("%#.02x group:%d %s %d:\"%s\" ", event->key.hardware_keycode, event->key.group, (kvname ? kvname : "??"), event->key.length, escaped); g_free (escaped); print_event_state (event->key.state); break; case GDK_ENTER_NOTIFY: case GDK_LEAVE_NOTIFY: g_print ("%p (%.4g,%.4g) (%.4g,%.4g) %s %s%s", event->crossing.subwindow == NULL ? NULL : GDK_WINDOW_HWND (event->crossing.subwindow), event->crossing.x, event->crossing.y, event->crossing.x_root, event->crossing.y_root, (event->crossing.mode == GDK_CROSSING_NORMAL ? "NORMAL" : (event->crossing.mode == GDK_CROSSING_GRAB ? "GRAB" : (event->crossing.mode == GDK_CROSSING_UNGRAB ? "UNGRAB" : "???"))), (event->crossing.detail == GDK_NOTIFY_ANCESTOR ? "ANCESTOR" : (event->crossing.detail == GDK_NOTIFY_VIRTUAL ? "VIRTUAL" : (event->crossing.detail == GDK_NOTIFY_INFERIOR ? "INFERIOR" : (event->crossing.detail == GDK_NOTIFY_NONLINEAR ? "NONLINEAR" : (event->crossing.detail == GDK_NOTIFY_NONLINEAR_VIRTUAL ? "NONLINEAR_VIRTUAL" : (event->crossing.detail == GDK_NOTIFY_UNKNOWN ? "UNKNOWN" : "???")))))), event->crossing.focus ? " FOCUS" : ""); print_event_state (event->crossing.state); break; case GDK_FOCUS_CHANGE: g_print ("%s", (event->focus_change.in ? "IN" : "OUT")); break; case GDK_CONFIGURE: g_print ("x:%d y:%d w:%d h:%d", event->configure.x, event->configure.y, event->configure.width, event->configure.height); break; case GDK_SCROLL: g_print ("(%.4g,%.4g) (%.4g,%.4g)%s", event->scroll.x, event->scroll.y, event->scroll.x_root, event->scroll.y_root, (event->scroll.direction == GDK_SCROLL_UP ? "UP" : (event->scroll.direction == GDK_SCROLL_DOWN ? "DOWN" : (event->scroll.direction == GDK_SCROLL_LEFT ? "LEFT" : (event->scroll.direction == GDK_SCROLL_RIGHT ? "RIGHT" : "???"))))); print_event_state (event->scroll.state); break; case GDK_WINDOW_STATE: g_print ("%s: %s", _gdk_win32_window_state_to_string (event->window_state.changed_mask), _gdk_win32_window_state_to_string (event->window_state.new_window_state)); default: /* Nothing */ break; } g_print ("%s", (debug_indent == 0 ? "\n" : "")); } static char * decode_key_lparam (LPARAM lParam) { static char buf[100]; char *p = buf; if (HIWORD (lParam) & KF_UP) p += g_sprintf (p, "KF_UP "); if (HIWORD (lParam) & KF_REPEAT) p += g_sprintf (p, "KF_REPEAT "); if (HIWORD (lParam) & KF_ALTDOWN) p += g_sprintf (p, "KF_ALTDOWN "); if (HIWORD (lParam) & KF_EXTENDED) p += g_sprintf (p, "KF_EXTENDED "); p += g_sprintf (p, "sc:%d rep:%d", LOBYTE (HIWORD (lParam)), LOWORD (lParam)); return buf; } #endif static void fixup_event (GdkEvent *event) { if (event->any.window) g_object_ref (event->any.window); if (((event->any.type == GDK_ENTER_NOTIFY) || (event->any.type == GDK_LEAVE_NOTIFY)) && (event->crossing.subwindow != NULL)) g_object_ref (event->crossing.subwindow); event->any.send_event = InSendMessage (); } static void append_event (GdkDisplay *display, GdkEvent *event) { fixup_event (event); _gdk_event_queue_append (display, event); GDK_NOTE (EVENTS, print_event (event)); } static void fill_key_event_string (GdkEvent *event) { gunichar c; gchar buf[256]; /* Fill in event->string crudely, since various programs * depend on it. */ c = 0; if (event->key.keyval != GDK_VoidSymbol) c = gdk_keyval_to_unicode (event->key.keyval); if (c) { gsize bytes_written; gint len; /* Apply the control key - Taken from Xlib */ if (event->key.state & GDK_CONTROL_MASK) { if ((c >= '@' && c < '\177') || c == ' ') c &= 0x1F; else if (c == '2') { event->key.string = g_memdup ("\0\0", 2); event->key.length = 1; return; } else if (c >= '3' && c <= '7') c -= ('3' - '\033'); else if (c == '8') c = '\177'; else if (c == '/') c = '_' & 0x1F; } len = g_unichar_to_utf8 (c, buf); buf[len] = '\0'; event->key.string = g_locale_from_utf8 (buf, len, NULL, &bytes_written, NULL); if (event->key.string) event->key.length = bytes_written; } else if (event->key.keyval == GDK_Escape) { event->key.length = 1; event->key.string = g_strdup ("\033"); } else if (event->key.keyval == GDK_Return || event->key.keyval == GDK_KP_Enter) { event->key.length = 1; event->key.string = g_strdup ("\r"); } if (!event->key.string) { event->key.length = 0; event->key.string = g_strdup (""); } } static GdkFilterReturn apply_filters (GdkDisplay *display, GdkWindow *window, MSG *msg, GList *filters) { GdkFilterReturn result; GdkEvent *event = gdk_event_new (GDK_NOTHING); GList *node; if (window != NULL) { event->any.window = window; g_object_ref (window); } ((GdkEventPrivate *)event)->flags |= GDK_EVENT_PENDING; /* I think GdkFilterFunc semantics require the passed-in event * to already be in the queue. The filter func can generate * more events and append them after it if it likes. */ node = _gdk_event_queue_append (display, event); result = gdk_event_apply_filters (msg, event, filters); if (result == GDK_FILTER_CONTINUE || result == GDK_FILTER_REMOVE) { _gdk_event_queue_remove_link (display, node); g_list_free_1 (node); gdk_event_free (event); } else /* GDK_FILTER_TRANSLATE */ { ((GdkEventPrivate *)event)->flags &= ~GDK_EVENT_PENDING; fixup_event (event); GDK_NOTE (EVENTS, print_event (event)); } return result; } static gboolean gdk_window_is_ancestor (GdkWindow *ancestor, GdkWindow *window) { if (ancestor == NULL || window == NULL) return FALSE; return (gdk_window_get_parent (window) == ancestor || gdk_window_is_ancestor (ancestor, gdk_window_get_parent (window))); } static void synthesize_enter_or_leave_event (GdkWindow *window, MSG *msg, GdkEventType type, GdkCrossingMode mode, GdkNotifyType detail, gint x, gint y) { GdkEvent *event; gint xoffset, yoffset; event = gdk_event_new (type); event->crossing.window = window; event->crossing.subwindow = NULL; event->crossing.time = _gdk_win32_get_next_tick (msg->time); _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset); event->crossing.x = x + xoffset; event->crossing.y = y + yoffset; event->crossing.x_root = msg->pt.x + _gdk_offset_x; event->crossing.y_root = msg->pt.y + _gdk_offset_y; event->crossing.mode = mode; event->crossing.detail = detail; event->crossing.focus = TRUE; /* FIXME: Set correctly */ event->crossing.state = 0; /* FIXME: Set correctly */ append_event (gdk_drawable_get_display (window), event); if (type == GDK_ENTER_NOTIFY && ((GdkWindowObject *) window)->extension_events != 0) _gdk_input_enter_event (window); } static void synthesize_leave_event (GdkWindow *window, MSG *msg, GdkCrossingMode mode, GdkNotifyType detail) { POINT pt; if (p_grab_window != NULL && !p_grab_owner_events && !(p_grab_mask & GDK_LEAVE_NOTIFY_MASK)) return; if (!(((GdkWindowObject *) window)->event_mask & GDK_LEAVE_NOTIFY_MASK)) return; /* Leave events are at (current_x,current_y) in current_window */ if (current_window != window) { pt.x = current_x; pt.y = current_y; ClientToScreen (GDK_WINDOW_HWND (current_window), &pt); ScreenToClient (GDK_WINDOW_HWND (window), &pt); synthesize_enter_or_leave_event (window, msg, GDK_LEAVE_NOTIFY, mode, detail, pt.x, pt.y); } else synthesize_enter_or_leave_event (window, msg, GDK_LEAVE_NOTIFY, mode, detail, current_x, current_y); /* This would only make sense if the WM_MOUSEMOVE messages would come * before the respective WM_MOUSELEAVE message, which apparently they * do not. track_mouse_event (TME_CANCEL, msg->hwnd); */ } static void synthesize_enter_event (GdkWindow *window, MSG *msg, GdkCrossingMode mode, GdkNotifyType detail) { POINT pt; if (p_grab_window != NULL && !p_grab_owner_events && !(p_grab_mask & GDK_ENTER_NOTIFY_MASK)) return; if (!(((GdkWindowObject *) window)->event_mask & GDK_ENTER_NOTIFY_MASK)) return; /* Enter events are at GET_X_LPARAM (msg->lParam), GET_Y_LPARAM * (msg->lParam) in msg->hwnd */ pt.x = GET_X_LPARAM (msg->lParam); pt.y = GET_Y_LPARAM (msg->lParam); if (msg->hwnd != GDK_WINDOW_HWND (window)) { ClientToScreen (msg->hwnd, &pt); ScreenToClient (GDK_WINDOW_HWND (window), &pt); } synthesize_enter_or_leave_event (window, msg, GDK_ENTER_NOTIFY, mode, detail, pt.x, pt.y); track_mouse_event (TME_LEAVE, GDK_WINDOW_HWND (window)); } static void synthesize_enter_events (GdkWindow *from, GdkWindow *to, MSG *msg, GdkCrossingMode mode, GdkNotifyType detail) { GdkWindow *prev = gdk_window_get_parent (to); if (prev != from) synthesize_enter_events (from, prev, msg, mode, detail); synthesize_enter_event (to, msg, mode, detail); } static void synthesize_leave_events (GdkWindow *from, GdkWindow *to, MSG *msg, GdkCrossingMode mode, GdkNotifyType detail) { GdkWindow *next = gdk_window_get_parent (from); synthesize_leave_event (from, msg, mode, detail); if (next != to) synthesize_leave_events (next, to, msg, mode, detail); } static void synthesize_crossing_events (GdkWindow *window, GdkCrossingMode mode, MSG *msg) { GdkWindow *intermediate, *tem, *common_ancestor; if (gdk_window_is_ancestor (current_window, window)) { /* Pointer has moved to an inferior window. */ synthesize_leave_event (current_window, msg, mode, GDK_NOTIFY_INFERIOR); /* If there are intermediate windows, generate ENTER_NOTIFY * events for them */ intermediate = gdk_window_get_parent (window); if (intermediate != current_window) { synthesize_enter_events (current_window, intermediate, msg, mode, GDK_NOTIFY_VIRTUAL); } synthesize_enter_event (window, msg, mode, GDK_NOTIFY_ANCESTOR); } else if (gdk_window_is_ancestor (window, current_window)) { /* Pointer has moved to an ancestor window. */ synthesize_leave_event (current_window, msg, mode, GDK_NOTIFY_ANCESTOR); /* If there are intermediate windows, generate LEAVE_NOTIFY * events for them */ intermediate = gdk_window_get_parent (current_window); if (intermediate != window) { synthesize_leave_events (intermediate, window, msg, mode, GDK_NOTIFY_VIRTUAL); } synthesize_enter_event (window, msg, mode, GDK_NOTIFY_INFERIOR); } else if (current_window) { /* Find least common ancestor of current_window and window */ tem = current_window; do { common_ancestor = gdk_window_get_parent (tem); tem = common_ancestor; } while (common_ancestor && !gdk_window_is_ancestor (common_ancestor, window)); if (common_ancestor) { synthesize_leave_event (current_window, msg, mode, GDK_NOTIFY_NONLINEAR); intermediate = gdk_window_get_parent (current_window); if (intermediate != common_ancestor) { synthesize_leave_events (intermediate, common_ancestor, msg, mode, GDK_NOTIFY_NONLINEAR_VIRTUAL); } intermediate = gdk_window_get_parent (window); if (intermediate != common_ancestor) { synthesize_enter_events (common_ancestor, intermediate, msg, mode, GDK_NOTIFY_NONLINEAR_VIRTUAL); } synthesize_enter_event (window, msg, mode, GDK_NOTIFY_NONLINEAR); } } else { /* Dunno where we are coming from */ synthesize_enter_event (window, msg, mode, GDK_NOTIFY_UNKNOWN); } assign_object (¤t_window, window); } static void synthesize_expose_events (GdkWindow *window) { RECT r; HDC hdc; GdkDrawableImplWin32 *impl = GDK_DRAWABLE_IMPL_WIN32 (((GdkWindowObject *) window)->impl); GList *list = gdk_window_get_children (window); GList *head = list; GdkEvent *event; int k; while (list) { synthesize_expose_events ((GdkWindow *) list->data); list = list->next; } g_list_free (head); if (((GdkWindowObject *) window)->input_only) ; else if (!(hdc = GetDC (impl->handle))) WIN32_GDI_FAILED ("GetDC"); else { if ((k = GetClipBox (hdc, &r)) == ERROR) WIN32_GDI_FAILED ("GetClipBox"); else if (k != NULLREGION) { event = gdk_event_new (GDK_EXPOSE); event->expose.window = window; event->expose.area.x = r.left; event->expose.area.y = r.top; event->expose.area.width = r.right - r.left; event->expose.area.height = r.bottom - r.top; event->expose.region = gdk_region_rectangle (&(event->expose.area)); event->expose.count = 0; append_event (gdk_drawable_get_display (window), event); } if (!ReleaseDC (impl->handle, hdc)) WIN32_GDI_FAILED ("ReleaseDC"); } } static void update_colors (GdkWindow *window, gboolean top) { HDC hdc; GdkDrawableImplWin32 *impl = GDK_DRAWABLE_IMPL_WIN32 (((GdkWindowObject *) window)->impl); GList *list = gdk_window_get_children (window); GList *head = list; GDK_NOTE (COLORMAP, (top ? g_print ("update_colors:") : (void) 0)); while (list) { update_colors ((GdkWindow *) list->data, FALSE); list = list->next; } g_list_free (head); if (((GdkWindowObject *) window)->input_only || impl->colormap == NULL) return; if (!(hdc = GetDC (impl->handle))) WIN32_GDI_FAILED ("GetDC"); else { GdkColormapPrivateWin32 *cmapp = GDK_WIN32_COLORMAP_DATA (impl->colormap); HPALETTE holdpal; gint k; if ((holdpal = SelectPalette (hdc, cmapp->hpal, TRUE)) == NULL) WIN32_GDI_FAILED ("SelectPalette"); else if ((k = RealizePalette (hdc)) == GDI_ERROR) WIN32_GDI_FAILED ("RealizePalette"); else { GDK_NOTE (COLORMAP, (k > 0 ? g_print (" %p pal=%p: realized %d colors\n" "update_colors:", impl->handle, cmapp->hpal, k) : (void) 0, g_print (" %p", impl->handle))); if (!UpdateColors (hdc)) WIN32_GDI_FAILED ("UpdateColors"); SelectPalette (hdc, holdpal, TRUE); RealizePalette (hdc); } if (!ReleaseDC (impl->handle, hdc)) WIN32_GDI_FAILED ("ReleaseDC"); } GDK_NOTE (COLORMAP, (top ? g_print ("\n") : (void) 0)); } static void translate_mouse_coords (GdkWindow *window1, GdkWindow *window2, MSG *msg) { POINT pt; pt.x = GET_X_LPARAM (msg->lParam); pt.y = GET_Y_LPARAM (msg->lParam); ClientToScreen (GDK_WINDOW_HWND (window1), &pt); ScreenToClient (GDK_WINDOW_HWND (window2), &pt); msg->lParam = MAKELPARAM (pt.x, pt.y); } static gboolean propagate (GdkWindow **window, MSG *msg, GdkWindow *grab_window, gboolean grab_owner_events, gint grab_mask, gboolean (*doesnt_want_it) (gint mask, MSG *msg)) { gboolean in_propagation = FALSE; if (grab_window != NULL && !grab_owner_events) { /* Event source is grabbed with owner_events FALSE */ if ((*doesnt_want_it) (grab_mask, msg)) { GDK_NOTE (EVENTS, g_print (" (grabber doesn't want it)")); return FALSE; } else { GDK_NOTE (EVENTS, g_print (" (to grabber)")); assign_object (window, grab_window); return TRUE; } } while (TRUE) { if ((*doesnt_want_it) (((GdkWindowObject *) *window)->event_mask, msg)) { /* Owner doesn't want it, propagate to parent. */ GdkWindow *parent = gdk_window_get_parent (*window); if (parent == _gdk_parent_root || parent == NULL) { /* No parent; check if grabbed */ if (grab_window != NULL) { /* Event source is grabbed with owner_events TRUE */ if ((*doesnt_want_it) (grab_mask, msg)) { /* Grabber doesn't want it either */ GDK_NOTE (EVENTS, g_print (" (grabber doesn't want it)")); return FALSE; } else { /* Grabbed! */ GDK_NOTE (EVENTS, g_print (" (to grabber)")); assign_object (window, grab_window); return TRUE; } } else { GDK_NOTE (EVENTS, g_print (" (undelivered)")); return FALSE; } } else { assign_object (window, parent); in_propagation = TRUE; /* The only branch where we actually continue the loop */ } } else return TRUE; } } static gboolean doesnt_want_key (gint mask, MSG *msg) { return (((msg->message == WM_KEYUP || msg->message == WM_SYSKEYUP) && !(mask & GDK_KEY_RELEASE_MASK)) || ((msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN) && !(mask & GDK_KEY_PRESS_MASK))); } static gboolean doesnt_want_char (gint mask, MSG *msg) { return !(mask & (GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK)); } static gboolean doesnt_want_button_press (gint mask, MSG *msg) { return !(mask & GDK_BUTTON_PRESS_MASK); } static gboolean doesnt_want_button_release (gint mask, MSG *msg) { return !(mask & GDK_BUTTON_RELEASE_MASK); } static gboolean doesnt_want_button_motion (gint mask, MSG *msg) { return !((mask & GDK_POINTER_MOTION_MASK) || ((msg->wParam & (MK_LBUTTON|MK_MBUTTON|MK_RBUTTON)) && (mask & GDK_BUTTON_MOTION_MASK)) || ((msg->wParam & MK_LBUTTON) && (mask & GDK_BUTTON1_MOTION_MASK)) || ((msg->wParam & MK_MBUTTON) && (mask & GDK_BUTTON2_MOTION_MASK)) || ((msg->wParam & MK_RBUTTON) && (mask & GDK_BUTTON3_MOTION_MASK))); } static gboolean doesnt_want_scroll (gint mask, MSG *msg) { #if 0 return !(mask & GDK_SCROLL_MASK); #else return !(mask & GDK_BUTTON_PRESS_MASK); #endif } static void handle_configure_event (MSG *msg, GdkWindow *window) { RECT client_rect; POINT point; GetClientRect (msg->hwnd, &client_rect); point.x = client_rect.left; /* always 0 */ point.y = client_rect.top; /* top level windows need screen coords */ if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_TOPLEVEL) ClientToScreen (msg->hwnd, &point); GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl)->width = client_rect.right - client_rect.left; GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl)->height = client_rect.bottom - client_rect.top; ((GdkWindowObject *) window)->x = point.x; ((GdkWindowObject *) window)->y = point.y; if (((GdkWindowObject *) window)->event_mask & GDK_STRUCTURE_MASK) { GdkEvent *event = gdk_event_new (GDK_CONFIGURE); event->configure.window = window; event->configure.width = client_rect.right - client_rect.left; event->configure.height = client_rect.bottom - client_rect.top; event->configure.x = point.x; event->configure.y = point.y; if (gdk_window_get_parent (window) == _gdk_parent_root) { event->configure.x += _gdk_offset_x; event->configure.y += _gdk_offset_y; } append_event (gdk_drawable_get_display (window), event); } } static void erase_background (GdkWindow *window, HDC hdc) { HDC bgdc = NULL; HBRUSH hbr = NULL; HPALETTE holdpal = NULL; RECT rect; COLORREF bg; GdkColormap *colormap; GdkColormapPrivateWin32 *colormap_private; int x, y; int x_offset, y_offset; if (((GdkWindowObject *) window)->input_only || ((GdkWindowObject *) window)->bg_pixmap == GDK_NO_BG || GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl)->position_info.no_bg) { return; } colormap = gdk_drawable_get_colormap (window); if (colormap && (colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR || colormap->visual->type == GDK_VISUAL_STATIC_COLOR)) { int k; colormap_private = GDK_WIN32_COLORMAP_DATA (colormap); if (!(holdpal = SelectPalette (hdc, colormap_private->hpal, FALSE))) WIN32_GDI_FAILED ("SelectPalette"); else if ((k = RealizePalette (hdc)) == GDI_ERROR) WIN32_GDI_FAILED ("RealizePalette"); else if (k > 0) GDK_NOTE (COLORMAP, g_print ("erase_background: realized %p: %d colors\n", colormap_private->hpal, k)); } x_offset = y_offset = 0; while (window && ((GdkWindowObject *) window)->bg_pixmap == GDK_PARENT_RELATIVE_BG) { /* If this window should have the same background as the parent, * fetch the parent. (And if the same goes for the parent, fetch * the grandparent, etc.) */ x_offset += ((GdkWindowObject *) window)->x; y_offset += ((GdkWindowObject *) window)->y; window = GDK_WINDOW (((GdkWindowObject *) window)->parent); } if (GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl)->position_info.no_bg) { /* Improves scolling effect, e.g. main buttons of testgtk */ return; } GetClipBox (hdc, &rect); if (((GdkWindowObject *) window)->bg_pixmap == NULL) { bg = _gdk_win32_colormap_color (GDK_DRAWABLE_IMPL_WIN32 (((GdkWindowObject *) window)->impl)->colormap, ((GdkWindowObject *) window)->bg_color.pixel); if (!(hbr = CreateSolidBrush (bg))) WIN32_GDI_FAILED ("CreateSolidBrush"); else if (!FillRect (hdc, &rect, hbr)) WIN32_GDI_FAILED ("FillRect"); if (hbr != NULL) DeleteObject (hbr); } else if (((GdkWindowObject *) window)->bg_pixmap != GDK_NO_BG) { GdkPixmap *pixmap = ((GdkWindowObject *) window)->bg_pixmap; GdkPixmapImplWin32 *pixmap_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl); if (x_offset == 0 && y_offset == 0 && pixmap_impl->width <= 8 && pixmap_impl->height <= 8) { if (!(hbr = CreatePatternBrush (GDK_PIXMAP_HBITMAP (pixmap)))) WIN32_GDI_FAILED ("CreatePatternBrush"); else if (!FillRect (hdc, &rect, hbr)) WIN32_GDI_FAILED ("FillRect"); if (hbr != NULL) DeleteObject (hbr); } else { HGDIOBJ oldbitmap; if (!(bgdc = CreateCompatibleDC (hdc))) { WIN32_GDI_FAILED ("CreateCompatibleDC"); return; } if (!(oldbitmap = SelectObject (bgdc, GDK_PIXMAP_HBITMAP (pixmap)))) { WIN32_GDI_FAILED ("SelectObject"); DeleteDC (bgdc); return; } x = -x_offset; while (x < rect.right) { if (x + pixmap_impl->width >= rect.left) { y = -y_offset; while (y < rect.bottom) { if (y + pixmap_impl->height >= rect.top) { if (!BitBlt (hdc, x, y, pixmap_impl->width, pixmap_impl->height, bgdc, 0, 0, SRCCOPY)) { WIN32_GDI_FAILED ("BitBlt"); SelectObject (bgdc, oldbitmap); DeleteDC (bgdc); return; } } y += pixmap_impl->height; } } x += pixmap_impl->width; } SelectObject (bgdc, oldbitmap); DeleteDC (bgdc); } } } static GdkRegion * _gdk_win32_hrgn_to_region (HRGN hrgn) { RGNDATA *rgndata; RECT *rects; GdkRegion *result; gint nbytes; guint i; if ((nbytes = GetRegionData (hrgn, 0, NULL)) == 0) { WIN32_GDI_FAILED ("GetRegionData"); return NULL; } rgndata = (RGNDATA *) g_malloc (nbytes); if (GetRegionData (hrgn, nbytes, rgndata) == 0) { WIN32_GDI_FAILED ("GetRegionData"); g_free (rgndata); return NULL; } result = gdk_region_new (); rects = (RECT *) rgndata->Buffer; for (i = 0; i < rgndata->rdh.nCount; i++) { GdkRectangle r; r.x = rects[i].left; r.y = rects[i].top; r.width = rects[i].right - r.x; r.height = rects[i].bottom - r.y; gdk_region_union_with_rect (result, &r); } g_free (rgndata); return result; } static void adjust_drag (LONG *drag, LONG curr, gint inc) { if (*drag > curr) *drag = curr + ((*drag + inc/2 - curr) / inc) * inc; else *drag = curr - ((curr - *drag + inc/2) / inc) * inc; } static void handle_wm_paint (MSG *msg, GdkWindow *window, gboolean return_exposes, GdkEvent **event) { HRGN hrgn = CreateRectRgn (0, 0, 0, 0); HDC hdc; PAINTSTRUCT paintstruct; GdkRegion *update_region; gint xoffset, yoffset; if (GetUpdateRgn (msg->hwnd, hrgn, FALSE) == ERROR) { WIN32_GDI_FAILED ("GetUpdateRgn"); return; } hdc = BeginPaint (msg->hwnd, &paintstruct); GDK_NOTE (EVENTS, g_print (" %s %s dc %p%s", _gdk_win32_rect_to_string (&paintstruct.rcPaint), (paintstruct.fErase ? "erase" : ""), hdc, (return_exposes ? " return_exposes" : ""))); EndPaint (msg->hwnd, &paintstruct); /* HB: don't generate GDK_EXPOSE events for InputOnly * windows -> backing store now works! */ if (((GdkWindowObject *) window)->input_only) { DeleteObject (hrgn); return; } if (!(((GdkWindowObject *) window)->event_mask & GDK_EXPOSURE_MASK)) { GDK_NOTE (EVENTS, g_print (" (ignored)")); DeleteObject (hrgn); return; } #if 0 /* we need to process exposes even with GDK_NO_BG * Otherwise The GIMP canvas update is broken .... */ if (((GdkWindowObject *) window)->bg_pixmap == GDK_NO_BG) break; #endif if ((paintstruct.rcPaint.right == paintstruct.rcPaint.left) || (paintstruct.rcPaint.bottom == paintstruct.rcPaint.top)) { GDK_NOTE (EVENTS, g_print (" (empty paintstruct, ignored)")); DeleteObject (hrgn); return; } if (return_exposes) { if (!GDK_WINDOW_DESTROYED (window)) { GList *list = gdk_drawable_get_display (window)->queued_events; *event = gdk_event_new (GDK_EXPOSE); (*event)->expose.window = window; (*event)->expose.area.x = paintstruct.rcPaint.left; (*event)->expose.area.y = paintstruct.rcPaint.top; (*event)->expose.area.width = paintstruct.rcPaint.right - paintstruct.rcPaint.left; (*event)->expose.area.height = paintstruct.rcPaint.bottom - paintstruct.rcPaint.top; (*event)->expose.region = _gdk_win32_hrgn_to_region (hrgn); (*event)->expose.count = 0; while (list != NULL) { GdkEventPrivate *evp = list->data; if (evp->event.any.type == GDK_EXPOSE && evp->event.any.window == window && !(evp->flags & GDK_EVENT_PENDING)) evp->event.expose.count++; list = list->next; } } return; } update_region = _gdk_win32_hrgn_to_region (hrgn); _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset); gdk_region_offset (update_region, xoffset, yoffset); _gdk_window_process_expose (window, update_region); gdk_region_destroy (update_region); DeleteObject (hrgn); } static void handle_stuff_while_moving_or_resizing (void) { int arbitrary_limit = 1; while (g_main_pending () && arbitrary_limit--) g_main_iteration (FALSE); } static VOID CALLBACK resize_timer_proc (HWND hwnd, UINT msg, UINT id, DWORD time) { if (resizing) handle_stuff_while_moving_or_resizing (); } static gboolean gdk_event_translate (GdkDisplay *display, MSG *msg, gint *ret_valp) { DWORD pidActWin; DWORD pidThis; RECT rect, *drag, orig_drag; POINT point; MINMAXINFO *mmi; HWND hwnd; HCURSOR hcursor; CHARSETINFO charset_info; BYTE key_state[256]; HIMC himc; GdkEvent *event; wchar_t wbuf[100]; gint ccount; GdkWindow *window = NULL; GdkWindowImplWin32 *impl; GdkWindow *orig_window, *new_window; gint xoffset, yoffset; static gint update_colors_counter = 0; gint button; gchar buf[256]; gboolean return_val = FALSE; int i; if (_gdk_default_filters) { /* Apply global filters */ GdkFilterReturn result = apply_filters (display, NULL, msg, _gdk_default_filters); /* If result is GDK_FILTER_CONTINUE, we continue as if nothing * happened. If it is GDK_FILTER_REMOVE, we return FALSE from * gdk_event_translate(), meaning that the DefWindowProc() will * be called. If it is GDK_FILTER_TRANSLATE, we return TRUE, and * DefWindowProc() will not be called. */ if (result == GDK_FILTER_REMOVE) return FALSE; else if (result == GDK_FILTER_TRANSLATE) return TRUE; } window = gdk_win32_handle_table_lookup ((GdkNativeWindow) msg->hwnd); orig_window = window; if (window == NULL) { /* XXX Handle WM_QUIT here ? */ if (msg->message == WM_QUIT) { GDK_NOTE (EVENTS, g_print (" %d", msg->wParam)); exit (msg->wParam); } else if (msg->message == WM_MOVE || msg->message == WM_SIZE) { /* It's quite normal to get these messages before we have * had time to register the window in our lookup table, or * when the window is being destroyed and we already have * removed it. Repost the same message to our queue so that * we will get it later when we are prepared. */ GDK_NOTE (MISC, g_print (" (posted)")); PostMessage (msg->hwnd, msg->message, msg->wParam, msg->lParam); } #ifndef WITHOUT_WM_CREATE else if (msg->message == WM_CREATE) { window = (UNALIGNED GdkWindow*) (((LPCREATESTRUCT) msg->lParam)->lpCreateParams); GDK_WINDOW_HWND (window) = msg->hwnd; } else { GDK_NOTE (EVENTS, g_print (" (no GdkWindow)")); } #endif return FALSE; } g_object_ref (window); /* window's refcount has now been increased, so code below should * not just return from this function, but instead goto done (or * break out of the big switch). To protect against forgetting this, * #define return to a syntax error... */ #define return GOTO_DONE_INSTEAD if (!GDK_WINDOW_DESTROYED (window) && ((GdkWindowObject *) window)->filters) { /* Apply per-window filters */ GdkFilterReturn result = apply_filters (display, window, msg, ((GdkWindowObject *) window)->filters); if (result == GDK_FILTER_REMOVE) { return_val = FALSE; goto done; } else if (result == GDK_FILTER_TRANSLATE) { return_val = TRUE; goto done; } } if (msg->message == msh_mousewheel) { GDK_NOTE (EVENTS, g_print (" (MSH_MOUSEWHEEL)")); /* MSG_MOUSEWHEEL is delivered to the foreground window. Work * around that. Also, the position is in screen coordinates, not * client coordinates as with the button messages. */ point.x = GET_X_LPARAM (msg->lParam); point.y = GET_Y_LPARAM (msg->lParam); if ((hwnd = WindowFromPoint (point)) == NULL) goto done; msg->hwnd = hwnd; if ((new_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) msg->hwnd)) == NULL) goto done; assign_object (&window, new_window); if (((GdkWindowObject *) window)->extension_events != 0 && _gdk_input_ignore_core) { GDK_NOTE (EVENTS, g_print (" (ignored)")); goto done; } if (!propagate (&window, msg, p_grab_window, p_grab_owner_events, p_grab_mask, doesnt_want_scroll)) goto done; if (GDK_WINDOW_DESTROYED (window)) goto done; ScreenToClient (msg->hwnd, &point); event = gdk_event_new (GDK_SCROLL); event->scroll.window = window; event->scroll.direction = ((int) msg->wParam > 0) ? GDK_SCROLL_UP : GDK_SCROLL_DOWN; event->scroll.time = _gdk_win32_get_next_tick (msg->time); _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset); event->scroll.x = (gint16) point.x + xoffset; event->scroll.y = (gint16) point.y + yoffset; event->scroll.x_root = (gint16) GET_X_LPARAM (msg->lParam) + _gdk_offset_x; event->scroll.y_root = (gint16) GET_Y_LPARAM (msg->lParam) + _gdk_offset_y; event->scroll.state = 0; /* No state information with MSH_MOUSEWHEEL */ event->scroll.device = display->core_pointer; append_event (display, event); return_val = TRUE; goto done; } else if (msg->message == client_message) { GList *tmp_list; tmp_list = client_filters; while (tmp_list) { GdkClientFilter *filter = tmp_list->data; if (filter->type == GDK_POINTER_TO_ATOM (msg->wParam)) { GList *this_filter = g_list_append (NULL, filter); GdkFilterReturn result = apply_filters (display, window, msg, this_filter); GDK_NOTE (EVENTS, g_print (" (client filter match)")); g_list_free (this_filter); if (result == GDK_FILTER_REMOVE) { return_val = FALSE; goto done; } else if (result == GDK_FILTER_TRANSLATE) { return_val = TRUE; goto done; } else /* GDK_FILTER_CONTINUE */ { /* Send unknown client messages on to Gtk for it to use */ event = gdk_event_new (GDK_CLIENT_EVENT); event->client.window = window; event->client.message_type = GDK_POINTER_TO_ATOM (msg->wParam); event->client.data_format = 32; event->client.data.l[0] = msg->lParam; for (i = 1; i < 5; i++) event->client.data.l[i] = 0; append_event (display, event); return_val = TRUE; goto done; } } tmp_list = tmp_list->next; } } switch (msg->message) { case WM_INPUTLANGCHANGE: _gdk_input_locale = (HKL) msg->lParam; _gdk_input_locale_is_ime = ImmIsIME (_gdk_input_locale); TranslateCharsetInfo ((DWORD FAR *) msg->wParam, &charset_info, TCI_SRCCHARSET); _gdk_input_codepage = charset_info.ciACP; _gdk_keymap_serial++; GDK_NOTE (EVENTS, g_print (" cs:%lu hkl:%lx%s cp:%d", (gulong) msg->wParam, msg->lParam, _gdk_input_locale_is_ime ? " (IME)" : "", _gdk_input_codepage)); break; case WM_SYSKEYUP: case WM_SYSKEYDOWN: GDK_NOTE (EVENTS, g_print (" %s ch:%.02x %s", (GetKeyNameText (msg->lParam, buf, sizeof (buf)) > 0 ? buf : ""), msg->wParam, decode_key_lparam (msg->lParam))); /* If posted without us having keyboard focus, ignore */ if ((msg->wParam != VK_F10 && msg->wParam != VK_MENU) && !(HIWORD (msg->lParam) & KF_ALTDOWN)) break; /* Let the system handle Alt-Tab, Alt-Space, Alt-Enter and * Alt-F4 unless the keyboard is grabbed. */ if (k_grab_window == NULL && (msg->wParam == VK_TAB || msg->wParam == VK_SPACE || msg->wParam == VK_RETURN || msg->wParam == VK_F4)) break; /* Jump to code in common with WM_KEYUP and WM_KEYDOWN */ goto keyup_or_down; case WM_KEYUP: case WM_KEYDOWN: GDK_NOTE (EVENTS, g_print (" %s ch:%.02x %s", (GetKeyNameText (msg->lParam, buf, sizeof (buf)) > 0 ? buf : ""), msg->wParam, decode_key_lparam (msg->lParam))); keyup_or_down: /* Ignore key messages intended for the IME */ if (msg->wParam == VK_PROCESSKEY || in_ime_composition) break; if (!propagate (&window, msg, k_grab_window, k_grab_owner_events, GDK_ALL_EVENTS_MASK, doesnt_want_key)) break; if (GDK_WINDOW_DESTROYED (window)) break; event = gdk_event_new ((msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN) ? GDK_KEY_PRESS : GDK_KEY_RELEASE); event->key.window = window; event->key.time = _gdk_win32_get_next_tick (msg->time); event->key.keyval = GDK_VoidSymbol; event->key.string = NULL; event->key.length = 0; event->key.hardware_keycode = msg->wParam; API_CALL (GetKeyboardState, (key_state)); /* 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]); */ build_key_event_state (event, key_state); gdk_keymap_translate_keyboard_state (NULL, event->key.hardware_keycode, event->key.state, event->key.group, &event->key.keyval, NULL, NULL, NULL); fill_key_event_string (event); /* Reset MOD1_MASK if it is the Alt key itself */ if (msg->wParam == VK_MENU) event->key.state &= ~GDK_MOD1_MASK; append_event (display, event); return_val = TRUE; break; case WM_SYSCHAR: if (msg->wParam != VK_SPACE) { /* To prevent beeps, don't let DefWindowProc() be called */ return_val = TRUE; goto done; } break; case WM_IME_STARTCOMPOSITION: in_ime_composition = TRUE; break; case WM_IME_ENDCOMPOSITION: in_ime_composition = FALSE; break; case WM_IME_COMPOSITION: /* On Win2k WM_IME_CHAR doesn't work correctly for non-Unicode * applications. Thus, handle WM_IME_COMPOSITION with * GCS_RESULTSTR instead, fetch the Unicode chars from the IME * with ImmGetCompositionStringW(). * * See for instance * http://groups.google.com/groups?selm=natX5.57%24g77.19788%40nntp2.onemain.com * and * http://groups.google.com/groups?selm=u2XfrXw5BHA.1628%40tkmsftngp02 * for comments by other people that seems to have the same * experience. WM_IME_CHAR just gives question marks, apparently * because of going through some conversion to the current code * page. * * WM_IME_CHAR might work on NT4 or Win9x with ActiveIMM, but * use WM_IME_COMPOSITION there, too, to simplify the code. */ GDK_NOTE (EVENTS, g_print (" %#lx", msg->lParam)); if (!(msg->lParam & GCS_RESULTSTR)) break; if (!propagate (&window, msg, k_grab_window, k_grab_owner_events, GDK_ALL_EVENTS_MASK, doesnt_want_char)) break; if (GDK_WINDOW_DESTROYED (window)) break; himc = ImmGetContext (msg->hwnd); ccount = ImmGetCompositionStringW (himc, GCS_RESULTSTR, wbuf, sizeof (wbuf)); ImmReleaseContext (msg->hwnd, himc); ccount /= 2; API_CALL (GetKeyboardState, (key_state)); for (i = 0; i < ccount; i++) { if (((GdkWindowObject *) window)->event_mask & GDK_KEY_PRESS_MASK) { /* Build a key press event */ event = gdk_event_new (GDK_KEY_PRESS); event->key.window = window; build_wm_ime_composition_event (event, msg, wbuf[i], key_state); append_event (display, event); } if (((GdkWindowObject *) window)->event_mask & GDK_KEY_RELEASE_MASK) { /* Build a key release event. */ event = gdk_event_new (GDK_KEY_RELEASE); event->key.window = window; build_wm_ime_composition_event (event, msg, wbuf[i], key_state); append_event (display, event); } } return_val = TRUE; break; case WM_LBUTTONDOWN: button = 1; goto buttondown0; case WM_MBUTTONDOWN: button = 2; goto buttondown0; case WM_RBUTTONDOWN: button = 3; goto buttondown0; case WM_XBUTTONDOWN: if (HIWORD (msg->wParam) == XBUTTON1) button = 4; else button = 5; buttondown0: GDK_NOTE (EVENTS, g_print (" (%d,%d)", GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam))); assign_object (&window, find_window_for_mouse_event (window, msg)); if (p_grab_window != NULL) { GdkWindow *real_window = find_real_window_for_grabbed_mouse_event (window, msg); if (real_window != current_window) synthesize_crossing_events (real_window, GDK_CROSSING_NORMAL, msg); } else { if (window != current_window) synthesize_crossing_events (window, GDK_CROSSING_NORMAL, msg); } if (((GdkWindowObject *) window)->extension_events != 0 && _gdk_input_ignore_core) { GDK_NOTE (EVENTS, g_print (" (ignored)")); break; } if (!propagate (&window, msg, p_grab_window, p_grab_owner_events, p_grab_mask, doesnt_want_button_press)) break; if (GDK_WINDOW_DESTROYED (window)) break; /* Emulate X11's automatic active grab */ if (!p_grab_window) { /* No explicit active grab, let's start one automatically */ GDK_NOTE (EVENTS, g_print (" (automatic grab)")); gdk_pointer_grab (window, FALSE, ((GdkWindowObject *) window)->event_mask, NULL, NULL, 0); p_grab_automatic = TRUE; } event = gdk_event_new (GDK_BUTTON_PRESS); event->button.window = window; event->button.time = _gdk_win32_get_next_tick (msg->time); if (window != orig_window) translate_mouse_coords (orig_window, window, msg); event->button.x = current_x = (gint16) GET_X_LPARAM (msg->lParam); event->button.y = current_y = (gint16) GET_Y_LPARAM (msg->lParam); _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset); event->button.x += xoffset; event->button.y += yoffset; event->button.x_root = msg->pt.x + _gdk_offset_x; event->button.y_root = msg->pt.y + _gdk_offset_y; event->button.axes = NULL; event->button.state = build_pointer_event_state (msg); event->button.button = button; event->button.device = display->core_pointer; append_event (display, event); _gdk_event_button_generate (display, event); return_val = TRUE; break; case WM_LBUTTONUP: button = 1; goto buttonup0; case WM_MBUTTONUP: button = 2; goto buttonup0; case WM_RBUTTONUP: button = 3; goto buttonup0; case WM_XBUTTONUP: if (HIWORD (msg->wParam) == XBUTTON1) button = 4; else button = 5; buttonup0: GDK_NOTE (EVENTS, g_print (" (%d,%d)", GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam))); assign_object (&window, find_window_for_mouse_event (window, msg)); if (p_grab_window != NULL) { GdkWindow *real_window = find_real_window_for_grabbed_mouse_event (window, msg); if (real_window != current_window) synthesize_crossing_events (real_window, GDK_CROSSING_NORMAL, msg); } else { if (window != current_window) synthesize_crossing_events (window, GDK_CROSSING_NORMAL, msg); } if (((GdkWindowObject *) window)->extension_events != 0 && _gdk_input_ignore_core) { GDK_NOTE (EVENTS, g_print (" (ignored)")); break; } if (!propagate (&window, msg, p_grab_window, p_grab_owner_events, p_grab_mask, doesnt_want_button_release)) { } else if (!GDK_WINDOW_DESTROYED (window)) { event = gdk_event_new (GDK_BUTTON_RELEASE); event->button.window = window; event->button.time = _gdk_win32_get_next_tick (msg->time); if (window != orig_window) translate_mouse_coords (orig_window, window, msg); event->button.x = current_x = (gint16) GET_X_LPARAM (msg->lParam); event->button.y = current_y = (gint16) GET_Y_LPARAM (msg->lParam); _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset); event->button.x += xoffset; event->button.y += yoffset; event->button.x_root = msg->pt.x + _gdk_offset_x; event->button.y_root = msg->pt.y + _gdk_offset_y; event->button.axes = NULL; event->button.state = build_pointer_event_state (msg); event->button.button = button; event->button.device = display->core_pointer; append_event (display, event); } if (p_grab_window != NULL && p_grab_automatic && (msg->wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) == 0) { /* Terminate automatic grab */ gdk_pointer_ungrab (0); } return_val = TRUE; break; case WM_MOUSEMOVE: GDK_NOTE (EVENTS, g_print (" %#x (%d,%d)", msg->wParam, GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam))); /* HB: only process mouse move messages if we own the active window. */ GetWindowThreadProcessId (GetActiveWindow (), &pidActWin); GetWindowThreadProcessId (msg->hwnd, &pidThis); if (pidActWin != pidThis) break; assign_object (&window, find_window_for_mouse_event (window, msg)); if (p_grab_window != NULL) { GdkWindow *real_window = find_real_window_for_grabbed_mouse_event (window, msg); if (real_window != current_window) synthesize_crossing_events (real_window, GDK_CROSSING_NORMAL, msg); } else { if (window != current_window) synthesize_crossing_events (window, GDK_CROSSING_NORMAL, msg); } if (((GdkWindowObject *) window)->extension_events != 0 && _gdk_input_ignore_core) { GDK_NOTE (EVENTS, g_print (" (ignored)")); break; } if (!propagate (&window, msg, p_grab_window, p_grab_owner_events, p_grab_mask, doesnt_want_button_motion)) break; if (GDK_WINDOW_DESTROYED (window)) break; if (window != orig_window) translate_mouse_coords (orig_window, window, msg); /* If we haven't moved, don't create any event. * Windows sends WM_MOUSEMOVE messages after button presses * even if the mouse doesn't move. This disturbs gtk. */ if (window == current_window && GET_X_LPARAM (msg->lParam) == current_x && GET_Y_LPARAM (msg->lParam) == current_y) break; event = gdk_event_new (GDK_MOTION_NOTIFY); event->motion.window = window; event->motion.time = _gdk_win32_get_next_tick (msg->time); event->motion.x = current_x = (gint16) GET_X_LPARAM (msg->lParam); event->motion.y = current_y = (gint16) GET_Y_LPARAM (msg->lParam); _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset); event->motion.x += xoffset; event->motion.y += yoffset; event->motion.x_root = msg->pt.x + _gdk_offset_x; event->motion.y_root = msg->pt.y + _gdk_offset_y; event->motion.axes = NULL; event->motion.state = build_pointer_event_state (msg); event->motion.is_hint = FALSE; event->motion.device = display->core_pointer; append_event (display, event); return_val = TRUE; break; case WM_NCMOUSEMOVE: GDK_NOTE (EVENTS, g_print (" (%d,%d)", GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam))); if (current_window != NULL && (((GdkWindowObject *) current_window)->event_mask & GDK_LEAVE_NOTIFY_MASK)) { synthesize_crossing_events (_gdk_parent_root, GDK_CROSSING_NORMAL, msg); } break; case WM_MOUSELEAVE: GDK_NOTE (EVENTS, g_print (" %d (%ld,%ld)", HIWORD (msg->wParam), msg->pt.x, msg->pt.y)); if (!gdk_win32_handle_table_lookup ((GdkNativeWindow) WindowFromPoint (msg->pt))) { GdkNotifyType detail; if (GDK_WINDOW_TYPE (current_window) != GDK_WINDOW_CHILD) detail = GDK_NOTIFY_ANCESTOR; else detail = GDK_NOTIFY_UNKNOWN; /* we are only interested if we don't know the new window */ synthesize_enter_or_leave_event (current_window, msg, GDK_LEAVE_NOTIFY, GDK_CROSSING_NORMAL, detail, current_x, current_y); } else { GDK_NOTE (EVENTS, g_print (" (ignored)")); } return_val = TRUE; break; case WM_MOUSEWHEEL: GDK_NOTE (EVENTS, g_print (" %d", HIWORD (msg->wParam))); /* WM_MOUSEWHEEL is delivered to the focus window. Work around * that. Also, the position is in screen coordinates, not client * coordinates as with the button messages. I love the * consistency of Windows. */ point.x = GET_X_LPARAM (msg->lParam); point.y = GET_Y_LPARAM (msg->lParam); if ((hwnd = WindowFromPoint (point)) == NULL) break; msg->hwnd = hwnd; if ((new_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) msg->hwnd)) == NULL) break; if (new_window != window) { assign_object (&window, new_window); } if (((GdkWindowObject *) window)->extension_events != 0 && _gdk_input_ignore_core) { GDK_NOTE (EVENTS, g_print (" (ignored)")); break; } if (!propagate (&window, msg, p_grab_window, p_grab_owner_events, p_grab_mask, doesnt_want_scroll)) break; if (GDK_WINDOW_DESTROYED (window)) break; ScreenToClient (msg->hwnd, &point); event = gdk_event_new (GDK_SCROLL); event->scroll.window = window; event->scroll.direction = (((short) HIWORD (msg->wParam)) > 0) ? GDK_SCROLL_UP : GDK_SCROLL_DOWN; event->scroll.window = window; event->scroll.time = _gdk_win32_get_next_tick (msg->time); _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset); event->scroll.x = (gint16) point.x + xoffset; event->scroll.y = (gint16) point.y + yoffset; event->scroll.x_root = (gint16) GET_X_LPARAM (msg->lParam) + _gdk_offset_x; event->scroll.y_root = (gint16) GET_Y_LPARAM (msg->lParam) + _gdk_offset_y; event->scroll.state = build_pointer_event_state (msg); event->scroll.device = display->core_pointer; append_event (display, event); return_val = TRUE; break; case WM_QUERYNEWPALETTE: if (gdk_visual_get_system ()->type == GDK_VISUAL_PSEUDO_COLOR) { synthesize_expose_events (window); update_colors_counter = 0; } return_val = TRUE; break; case WM_PALETTECHANGED: GDK_NOTE (EVENTS_OR_COLORMAP, g_print (" %p", (HWND) msg->wParam)); if (gdk_visual_get_system ()->type != GDK_VISUAL_PSEUDO_COLOR) break; return_val = TRUE; if (msg->hwnd == (HWND) msg->wParam) break; if (++update_colors_counter == 5) { synthesize_expose_events (window); update_colors_counter = 0; break; } update_colors (window, TRUE); break; case WM_MOUSEACTIVATE: if (gdk_window_get_window_type (window) == GDK_WINDOW_TEMP) { *ret_valp = MA_NOACTIVATE; return_val = TRUE; } break; case WM_SETFOCUS: case WM_KILLFOCUS: if (p_grab_window != NULL && !p_grab_owner_events && !(p_grab_mask & GDK_FOCUS_CHANGE_MASK)) break; if (!(((GdkWindowObject *) window)->event_mask & GDK_FOCUS_CHANGE_MASK)) break; if (GDK_WINDOW_DESTROYED (window)) break; event = gdk_event_new (GDK_FOCUS_CHANGE); event->focus_change.window = window; event->focus_change.in = (msg->message == WM_SETFOCUS); append_event (display, event); return_val = TRUE; break; case WM_ERASEBKGND: GDK_NOTE (EVENTS, g_print (" %p", (HANDLE) msg->wParam)); if (GDK_WINDOW_DESTROYED (window)) break; erase_background (window, (HDC) msg->wParam); return_val = TRUE; *ret_valp = 1; break; case WM_PAINT: handle_wm_paint (msg, window, FALSE, NULL); break; case WM_SETCURSOR: GDK_NOTE (EVENTS, g_print (" %#x %#x", LOWORD (msg->lParam), HIWORD (msg->lParam))); if (p_grab_window == NULL && LOWORD (msg->lParam) != HTCLIENT) break; if (p_grab_window != NULL && p_grab_cursor != NULL) hcursor = p_grab_cursor; else if (!GDK_WINDOW_DESTROYED (window)) hcursor = GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl)->hcursor; else hcursor = NULL; if (hcursor != NULL) { GDK_NOTE (EVENTS, g_print (" (SetCursor(%p)", hcursor)); SetCursor (hcursor); return_val = TRUE; *ret_valp = TRUE; } break; case WM_SHOWWINDOW: GDK_NOTE (EVENTS, g_print (" %d", msg->wParam)); if (!(((GdkWindowObject *) window)->event_mask & GDK_STRUCTURE_MASK)) break; if (msg->lParam == SW_OTHERUNZOOM || msg->lParam == SW_OTHERZOOM) break; if (GDK_WINDOW_DESTROYED (window)) break; event = gdk_event_new (msg->wParam ? GDK_MAP : GDK_UNMAP); event->any.window = window; append_event (display, event); if (event->any.type == GDK_UNMAP && p_grab_window == window) gdk_pointer_ungrab (msg->time); if (event->any.type == GDK_UNMAP && k_grab_window == window) gdk_keyboard_ungrab (msg->time); return_val = TRUE; break; case WM_SIZE: GDK_NOTE (EVENTS, g_print (" %s %dx%d", (msg->wParam == SIZE_MAXHIDE ? "MAXHIDE" : (msg->wParam == SIZE_MAXIMIZED ? "MAXIMIZED" : (msg->wParam == SIZE_MAXSHOW ? "MAXSHOW" : (msg->wParam == SIZE_MINIMIZED ? "MINIMIZED" : (msg->wParam == SIZE_RESTORED ? "RESTORED" : "?"))))), LOWORD (msg->lParam), HIWORD (msg->lParam))); if (msg->wParam == SIZE_MINIMIZED) { /* Don't generate any GDK event. This is *not* an UNMAP. */ if (p_grab_window == window) gdk_pointer_ungrab (msg->time); if (k_grab_window == window) gdk_keyboard_ungrab (msg->time); gdk_synthesize_window_state (window, GDK_WINDOW_STATE_WITHDRAWN, GDK_WINDOW_STATE_ICONIFIED); } else if ((msg->wParam == SIZE_RESTORED || msg->wParam == SIZE_MAXIMIZED) && GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD) { GdkWindowState withdrawn_bit = IsWindowVisible (msg->hwnd) ? GDK_WINDOW_STATE_WITHDRAWN : 0; if (!GDK_WINDOW_DESTROYED (window)) handle_configure_event (msg, window); if (msg->wParam == SIZE_RESTORED) gdk_synthesize_window_state (window, GDK_WINDOW_STATE_ICONIFIED | GDK_WINDOW_STATE_MAXIMIZED | withdrawn_bit, 0); else if (msg->wParam == SIZE_MAXIMIZED) gdk_synthesize_window_state (window, GDK_WINDOW_STATE_ICONIFIED | withdrawn_bit, GDK_WINDOW_STATE_MAXIMIZED); if (((GdkWindowObject *) window)->resize_count > 1) ((GdkWindowObject *) window)->resize_count -= 1; if (((GdkWindowObject *) window)->extension_events != 0) _gdk_input_configure_event (window); return_val = TRUE; } break; case WM_ENTERSIZEMOVE: resizing = TRUE; resize_timer = SetTimer (NULL, 0, 20, resize_timer_proc); break; case WM_EXITSIZEMOVE: resizing = FALSE; KillTimer (NULL, resize_timer); break; case WM_WINDOWPOSCHANGED : /* Once we've entered the moving or sizing modal loop, we won't * return to the main loop until we're done sizing or moving. */ if (resizing && GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD && !GDK_WINDOW_DESTROYED (window)) { RECT client_rect; POINT point; GetClientRect (msg->hwnd, &client_rect); point.x = client_rect.left; /* always 0 */ point.y = client_rect.top; /* top level windows need screen coords */ if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_TOPLEVEL) ClientToScreen (msg->hwnd, &point); GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl)->width = client_rect.right - client_rect.left; GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl)->height = client_rect.bottom - client_rect.top; ((GdkWindowObject *) window)->x = point.x; ((GdkWindowObject *) window)->y = point.y; if (((GdkWindowObject *) window)->event_mask & GDK_STRUCTURE_MASK) { GdkEvent *event = gdk_event_new (GDK_CONFIGURE); event->configure.window = window; event->configure.width = client_rect.right - client_rect.left; event->configure.height = client_rect.bottom - client_rect.top; event->configure.x = point.x; event->configure.y = point.y; if (gdk_window_get_parent (window) == _gdk_parent_root) { event->configure.x += _gdk_offset_x; event->configure.y += _gdk_offset_y; } if (((GdkWindowObject *) window)->resize_count > 1) ((GdkWindowObject *) window)->resize_count -= 1; #if 0 /* I don't like calling _gdk_event_func() from here, isn't there * a risk of getting events processed in the wrong order, like * Owen says in the discussion of bug #99540? */ fixup_event (event); if (_gdk_event_func) (*_gdk_event_func) (event, _gdk_event_data); gdk_event_free (event); #else /* Calling append_event() is slower, but guarantees that events won't * get reordered, I think. */ append_event (display, event); #endif /* Dispatch main loop - to realize resizes... */ handle_stuff_while_moving_or_resizing (); /* Claim as handled, so that WM_SIZE and WM_MOVE are avoided */ return_val = TRUE; *ret_valp = 1; } } break; case WM_SIZING: GetWindowRect (GDK_WINDOW_HWND (window), &rect); GDK_NOTE (EVENTS, g_print (" %s curr:%s drag:%s", (msg->wParam == WMSZ_BOTTOM ? "BOTTOM" : (msg->wParam == WMSZ_BOTTOMLEFT ? "BOTTOMLEFT" : (msg->wParam == WMSZ_LEFT ? "LEFT" : (msg->wParam == WMSZ_TOPLEFT ? "TOPLEFT" : (msg->wParam == WMSZ_TOP ? "TOP" : (msg->wParam == WMSZ_TOPRIGHT ? "TOPRIGHT" : (msg->wParam == WMSZ_RIGHT ? "RIGHT" : (msg->wParam == WMSZ_BOTTOMRIGHT ? "BOTTOMRIGHT" : "???")))))))), _gdk_win32_rect_to_string (&rect), _gdk_win32_rect_to_string ((RECT *) msg->lParam))); impl = GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl); drag = (RECT *) msg->lParam; orig_drag = *drag; if (impl->hint_flags & GDK_HINT_RESIZE_INC) { if (impl->hint_flags & GDK_HINT_BASE_SIZE) { /* Resize in increments relative to the base size */ rect.left = rect.top = 0; rect.right = impl->hints.base_width; rect.bottom = impl->hints.base_height; _gdk_win32_adjust_client_rect (window, &rect); point.x = rect.left; point.y = rect.top; ClientToScreen (GDK_WINDOW_HWND (window), &point); rect.left = point.x; rect.top = point.y; point.x = rect.right; point.y = rect.bottom; ClientToScreen (GDK_WINDOW_HWND (window), &point); rect.right = point.x; rect.bottom = point.y; GDK_NOTE (EVENTS, g_print (" (also BASE_SIZE, using %s)", _gdk_win32_rect_to_string (&rect))); } switch (msg->wParam) { case WMSZ_BOTTOM: if (drag->bottom == rect.bottom) break; adjust_drag (&drag->bottom, rect.bottom, impl->hints.height_inc); break; case WMSZ_BOTTOMLEFT: if (drag->bottom == rect.bottom && drag->left == rect.left) break; adjust_drag (&drag->bottom, rect.bottom, impl->hints.height_inc); adjust_drag (&drag->left, rect.left, impl->hints.width_inc); break; case WMSZ_LEFT: if (drag->left == rect.left) break; adjust_drag (&drag->left, rect.left, impl->hints.width_inc); break; case WMSZ_TOPLEFT: if (drag->top == rect.top && drag->left == rect.left) break; adjust_drag (&drag->top, rect.top, impl->hints.height_inc); adjust_drag (&drag->left, rect.left, impl->hints.width_inc); break; case WMSZ_TOP: if (drag->top == rect.top) break; adjust_drag (&drag->top, rect.top, impl->hints.height_inc); break; case WMSZ_TOPRIGHT: if (drag->top == rect.top && drag->right == rect.right) break; adjust_drag (&drag->top, rect.top, impl->hints.height_inc); adjust_drag (&drag->right, rect.right, impl->hints.width_inc); break; case WMSZ_RIGHT: if (drag->right == rect.right) break; adjust_drag (&drag->right, rect.right, impl->hints.width_inc); break; case WMSZ_BOTTOMRIGHT: if (drag->bottom == rect.bottom && drag->right == rect.right) break; adjust_drag (&drag->bottom, rect.bottom, impl->hints.height_inc); adjust_drag (&drag->right, rect.right, impl->hints.width_inc); break; } if (drag->bottom != orig_drag.bottom || drag->left != orig_drag.left || drag->top != orig_drag.top || drag->right != orig_drag.right) { *ret_valp = TRUE; return_val = TRUE; GDK_NOTE (EVENTS, g_print (" (handled RESIZE_INC: drag:%s)", _gdk_win32_rect_to_string (drag))); } } /* WM_GETMINMAXINFO handles min_size and max_size hints? */ if (impl->hint_flags & GDK_HINT_ASPECT) { gdouble drag_aspect = (gdouble) (drag->right - drag->left) / (drag->bottom - drag->top); GDK_NOTE (EVENTS, g_print (" (aspect:%g)", drag_aspect)); if (drag_aspect < impl->hints.min_aspect || drag_aspect > impl->hints.max_aspect) { *drag = rect; *ret_valp = TRUE; return_val = TRUE; GDK_NOTE (EVENTS, g_print (" (handled ASPECT: drag:%s)", _gdk_win32_rect_to_string (drag))); } } break; case WM_GETMINMAXINFO: if (GDK_WINDOW_DESTROYED (window)) break; impl = GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl); mmi = (MINMAXINFO*) msg->lParam; GDK_NOTE (EVENTS, g_print (" (mintrack:%ldx%ld maxtrack:%ldx%ld " "maxpos:+%ld+%ld maxsize:%ldx%ld)", mmi->ptMinTrackSize.x, mmi->ptMinTrackSize.y, mmi->ptMaxTrackSize.x, mmi->ptMaxTrackSize.y, mmi->ptMaxPosition.x, mmi->ptMaxPosition.y, mmi->ptMaxSize.x, mmi->ptMaxSize.y)); if (impl->hint_flags & GDK_HINT_MIN_SIZE) { rect.left = rect.top = 0; rect.right = impl->hints.min_width; rect.bottom = impl->hints.min_height; _gdk_win32_adjust_client_rect (window, &rect); mmi->ptMinTrackSize.x = rect.right - rect.left; mmi->ptMinTrackSize.y = rect.bottom - rect.top; } if (impl->hint_flags & GDK_HINT_MAX_SIZE) { int maxw, maxh; rect.left = rect.top = 0; rect.right = impl->hints.max_width; rect.bottom = impl->hints.max_height; _gdk_win32_adjust_client_rect (window, &rect); /* at least on win9x we have the 16 bit trouble */ maxw = rect.right - rect.left; maxh = rect.bottom - rect.top; mmi->ptMaxTrackSize.x = maxw > 0 && maxw < G_MAXSHORT ? maxw : G_MAXSHORT; mmi->ptMaxTrackSize.y = maxh > 0 && maxh < G_MAXSHORT ? maxw : G_MAXSHORT; } if (impl->hint_flags & (GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE)) { /* Don't call DefWindowProc() */ GDK_NOTE (EVENTS, g_print (" (handled, mintrack:%ldx%ld maxtrack:%ldx%ld " "maxpos:+%ld+%ld maxsize:%ldx%ld)", mmi->ptMinTrackSize.x, mmi->ptMinTrackSize.y, mmi->ptMaxTrackSize.x, mmi->ptMaxTrackSize.y, mmi->ptMaxPosition.x, mmi->ptMaxPosition.y, mmi->ptMaxSize.x, mmi->ptMaxSize.y)); return_val = TRUE; } break; case WM_MOVE: GDK_NOTE (EVENTS, g_print (" (%d,%d)", GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam))); if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD && !IsIconic (msg->hwnd) && IsWindowVisible (msg->hwnd)) { if (!GDK_WINDOW_DESTROYED (window)) handle_configure_event (msg, window); return_val = TRUE; } break; case WM_CLOSE: if (GDK_WINDOW_DESTROYED (window)) break; event = gdk_event_new (GDK_DELETE); event->any.window = window; append_event (display, event); return_val = TRUE; break; case WM_DESTROY: if (window == current_window) assign_object (¤t_window, _gdk_parent_root); if (p_grab_window == window) gdk_pointer_ungrab (msg->time); if (k_grab_window == window) gdk_keyboard_ungrab (msg->time); if ((window != NULL) && (_gdk_root_window != msg->hwnd)) gdk_window_destroy_notify (window); if (window == NULL || GDK_WINDOW_DESTROYED (window)) break; event = gdk_event_new (GDK_DESTROY); event->any.window = window; append_event (display, event); return_val = TRUE; break; #ifdef HAVE_WINTAB /* Handle WINTAB events here, as we know that gdkinput.c will * use the fixed WT_DEFBASE as lcMsgBase, and we thus can use the * constants as case labels. */ case WT_PACKET: GDK_NOTE (EVENTS, g_print (" %d %#lx", msg->wParam, msg->lParam)); goto wintab; case WT_CSRCHANGE: GDK_NOTE (EVENTS, g_print (" %d %#lx", msg->wParam, msg->lParam)); goto wintab; case WT_PROXIMITY: GDK_NOTE (EVENTS, g_print (" %#x %d %d", msg->wParam, LOWORD (msg->lParam), HIWORD (msg->lParam))); /* Fall through */ wintab: event = gdk_event_new (GDK_NOTHING); event->any.window = window; if (_gdk_input_other_event (event, msg, window)) append_event (display, event); else gdk_event_free (event); break; #endif } done: if (window) g_object_unref (window); #undef return return return_val; } void _gdk_events_queue (GdkDisplay *display) { MSG msg; while (!_gdk_event_queue_find_first (display) && PeekMessage (&msg, NULL, 0, 0, PM_REMOVE)) { TranslateMessage (&msg); DispatchMessage (&msg); } } static gboolean gdk_event_prepare (GSource *source, gint *timeout) { MSG msg; gboolean retval; GdkDisplay *display = gdk_display_get_default (); GDK_THREADS_ENTER (); *timeout = -1; retval = (_gdk_event_queue_find_first (display) != NULL || PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE)); GDK_THREADS_LEAVE (); return retval; } static gboolean gdk_event_check (GSource *source) { MSG msg; gboolean retval; GdkDisplay *display = gdk_display_get_default (); GDK_THREADS_ENTER (); if (event_poll_fd.revents & G_IO_IN) retval = (_gdk_event_queue_find_first (display) != NULL || PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE)); else retval = FALSE; GDK_THREADS_LEAVE (); return retval; } static gboolean gdk_event_dispatch (GSource *source, GSourceFunc callback, gpointer user_data) { GdkEvent *event; GdkDisplay *display = gdk_display_get_default (); GDK_THREADS_ENTER (); _gdk_events_queue (display); event = _gdk_event_unqueue (display); if (event) { if (_gdk_event_func) (*_gdk_event_func) (event, _gdk_event_data); gdk_event_free (event); } GDK_THREADS_LEAVE (); return TRUE; } static void check_for_too_much_data (GdkEvent *event) { if (event->client.data.l[1] || event->client.data.l[2] || event->client.data.l[3] || event->client.data.l[4]) g_warning ("Only four bytes of data are passed in client messages on Win32\n"); } gboolean gdk_event_send_client_message_for_display (GdkDisplay *display, GdkEvent *event, GdkNativeWindow winid) { check_for_too_much_data (event); return PostMessage ((HWND) winid, client_message, (WPARAM) event->client.message_type, event->client.data.l[0]); } void gdk_screen_broadcast_client_message (GdkScreen *screen, GdkEvent *event) { check_for_too_much_data (event); PostMessage (HWND_BROADCAST, client_message, (WPARAM) event->client.message_type, event->client.data.l[0]); } void gdk_flush (void) { #if 0 MSG msg; /* Process all messages currently available */ while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE)) { TranslateMessage (&msg); DispatchMessage (&msg); } #endif GdiFlush (); } void gdk_display_sync (GdkDisplay * display) { MSG msg; g_return_if_fail (display == gdk_display_get_default ()); /* Process all messages currently available */ while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE)) DispatchMessage (&msg); } void gdk_display_flush (GdkDisplay * display) { g_return_if_fail (display == gdk_display_get_default ()); /* Nothing */ } gboolean gdk_net_wm_supports (GdkAtom property) { return FALSE; }