/* GDK - The GIMP Drawing Kit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * Copyright (C) 1998-2002 Tor Lillqvist * Copyright (C) 2007-2008 Cody Russell * * 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 "config.h" #include #include "gdk.h" #include "gdkprivate-win32.h" #include "gdkinput-win32.h" #include "gdkkeysyms.h" #include #ifdef G_WITH_CYGWIN #include #include #endif #include #include #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 gboolean gdk_event_translate (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); static void append_event (GdkEvent *event); static gboolean is_modally_blocked (GdkWindow *window); /* 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; static gint current_root_x, current_root_y; static UINT client_message; static UINT got_gdk_events_message; static HWND modal_win32_dialog = NULL; #if 0 static HKL latin_locale = NULL; #endif static gboolean in_ime_composition = FALSE; static UINT modal_timer; static UINT sync_timer = 0; 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 void generate_focus_event (GdkWindow *window, gboolean in) { GdkEvent *event; event = gdk_event_new (GDK_FOCUS_CHANGE); event->focus_change.window = window; event->focus_change.in = in; append_event (event); } static void generate_grab_broken_event (GdkWindow *window, gboolean keyboard, GdkWindow *grab_window) { GdkEvent *event = gdk_event_new (GDK_GRAB_BROKEN); event->grab_broken.window = window; event->grab_broken.send_event = 0; event->grab_broken.keyboard = keyboard; event->grab_broken.implicit = FALSE; event->grab_broken.grab_window = grab_window; append_event (event); } static LRESULT inner_window_procedure (HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) { MSG msg; DWORD pos; 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 (&msg, &ret_val)) { /* If gdk_event_translate() returns TRUE, we return ret_val from * the window procedure. */ if (modal_win32_dialog) PostMessageW (modal_win32_dialog, got_gdk_events_message, (WPARAM) 1, 0); return ret_val; } else { /* Otherwise call DefWindowProcW(). */ GDK_NOTE (EVENTS, g_print (" DefWindowProcW")); return DefWindowProcW (hwnd, message, wparam, lparam); } } 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 (" => %I64d%s", (gint64) retval, (debug_indent == 0 ? "\n" : ""))); return retval; } void _gdk_events_init (void) { GSource *source; #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 client_message = RegisterWindowMessage ("GDK_WIN32_CLIENT_MESSAGE"); got_gdk_events_message = RegisterWindowMessage ("GDK_WIN32_GOT_EVENTS"); #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); } gboolean gdk_events_pending (void) { MSG msg; return (_gdk_event_queue_find_first (_gdk_display) || (modal_win32_dialog == NULL && PeekMessageW (&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 (PeekMessageW (&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"); return_val = _gdk_input_grab_pointer (window, owner_events, event_mask, confine_to, time); 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); if (p_grab_window != NULL && p_grab_window != window) generate_grab_broken_event (p_grab_window, FALSE, window); assign_object (&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); x -= _gdk_offset_x; y -= _gdk_offset_y; 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); GDK_NOTE (EVENTS, g_print ("%sgdk_display_pointer_ungrab%s", (debug_indent > 0 ? "\n" : ""), (debug_indent == 0 ? "\n" : ""))); _gdk_input_ungrab_pointer (time); if (GetCapture () != NULL) ReleaseCapture (); /* FIXME: Generate GDK_CROSSING_UNGRAB events */ assign_object (&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_root; other_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) hwnd); } if (other_window == NULL) return _gdk_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, 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, 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) { GdkWindow *real_focus_window, *grab_focus_window; 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) { if (k_grab_window != NULL && k_grab_window != window) generate_grab_broken_event (k_grab_window, TRUE, window); assign_object (&k_grab_window, window); if (!k_grab_owner_events) { real_focus_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) GetFocus ()); if (real_focus_window) real_focus_window = gdk_window_get_toplevel (real_focus_window); grab_focus_window = gdk_window_get_toplevel (k_grab_window); if (real_focus_window != grab_focus_window) { /* Generate events for focus change from the window that really * has focus to the grabber. */ if (real_focus_window && !GDK_WINDOW_DESTROYED (real_focus_window) && (((GdkWindowObject *) real_focus_window)->event_mask & GDK_FOCUS_CHANGE_MASK)) generate_focus_event (real_focus_window, FALSE); if (((GdkWindowObject *) grab_focus_window)->event_mask & GDK_FOCUS_CHANGE_MASK) generate_focus_event (grab_focus_window, TRUE); } } } return return_val; } void gdk_display_keyboard_ungrab (GdkDisplay *display, guint32 time) { GdkWindow *real_focus_window, *grab_focus_window; g_return_if_fail (display == _gdk_display); GDK_NOTE (EVENTS, g_print ("gdk_keyboard_ungrab\n")); if (k_grab_window && !k_grab_owner_events) { real_focus_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) GetFocus ()); if (real_focus_window) real_focus_window = gdk_window_get_toplevel (real_focus_window); if (!GDK_WINDOW_DESTROYED (k_grab_window)) grab_focus_window = gdk_window_get_toplevel (k_grab_window); else grab_focus_window = NULL; if (real_focus_window != grab_focus_window) { /* Generate events for focus change from grabber to the window that * really has focus. Important for example if a new window is created * while focus is grabbed. */ if (grab_focus_window && (((GdkWindowObject *) grab_focus_window)->event_mask & GDK_FOCUS_CHANGE_MASK)) generate_focus_event (grab_focus_window, FALSE); if (real_focus_window && !GDK_WINDOW_DESTROYED (real_focus_window) && (((GdkWindowObject *) real_focus_window)->event_mask & GDK_FOCUS_CHANGE_MASK)) generate_focus_event (real_focus_window, TRUE); } } assign_object (&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, 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; } 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; 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->message != WM_LBUTTONDOWN && (msg->wParam & MK_LBUTTON)) || msg->message == WM_LBUTTONUP) state |= GDK_BUTTON1_MASK; if ((msg->message != WM_MBUTTONDOWN && (msg->wParam & MK_MBUTTON)) || msg->message == WM_MBUTTONUP) state |= GDK_BUTTON2_MASK; if ((msg->message != WM_RBUTTONDOWN && (msg->wParam & MK_RBUTTON)) || msg->message == WM_RBUTTONUP) state |= GDK_BUTTON3_MASK; if (((msg->message != WM_XBUTTONDOWN || HIWORD (msg->wParam) != XBUTTON1) && (msg->wParam & MK_XBUTTON1)) || (msg->message == WM_XBUTTONUP && HIWORD (msg->wParam) == XBUTTON1)) state |= GDK_BUTTON4_MASK; if (((msg->message != WM_XBUTTONDOWN || HIWORD (msg->wParam) != XBUTTON2) && (msg->wParam & MK_XBUTTON2)) || (msg->message == WM_XBUTTONUP && HIWORD (msg->wParam) == 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); CASE (GDK_OWNER_CHANGE); CASE (GDK_GRAB_BROKEN); #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_CLIENT_EVENT: g_print ("%s %d %ld %ld %ld %ld %ld", gdk_atom_name (event->client.message_type), event->client.data_format, event->client.data.l[0], event->client.data.l[1], event->client.data.l[2], event->client.data.l[3], event->client.data.l[4]); 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)); case GDK_SETTING: g_print ("%s: %s", (event->setting.action == GDK_SETTING_ACTION_NEW ? "NEW" : (event->setting.action == GDK_SETTING_ACTION_CHANGED ? "CHANGED" : (event->setting.action == GDK_SETTING_ACTION_DELETED ? "DELETED" : "???"))), (event->setting.name ? event->setting.name : "NULL")); case GDK_GRAB_BROKEN: g_print ("%s %s %p", (event->grab_broken.keyboard ? "KEYBOARD" : "POINTER"), (event->grab_broken.implicit ? "IMPLICIT" : "EXPLICIT"), (event->grab_broken.grab_window ? GDK_WINDOW_HWND (event->grab_broken.grab_window) : 0)); 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 (GdkEvent *event) { fixup_event (event); _gdk_event_queue_append (_gdk_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_event_filters (GdkWindow *window, MSG *msg, GList *filters) { GdkFilterReturn result = GDK_FILTER_CONTINUE; GdkEvent *event; GList *node; GList *tmp_list; event = gdk_event_new (GDK_NOTHING); if (window != NULL) event->any.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 (_gdk_display, event); tmp_list = filters; while (tmp_list) { GdkEventFilter *filter = (GdkEventFilter *) tmp_list->data; tmp_list = tmp_list->next; result = filter->function (msg, event, filter->data); if (result != GDK_FILTER_CONTINUE) break; } if (result == GDK_FILTER_CONTINUE || result == GDK_FILTER_REMOVE) { _gdk_event_queue_remove_link (_gdk_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; } /* * On Windows, transient windows will not have their own taskbar entries. * Because of this, we must hide and restore groups of transients in both * directions. That is, all transient children must be hidden or restored * with this window, but if this window's transient owner also has a * transient owner then this window's transient owner must be hidden/restored * with this one. And etc, up the chain until we hit an ancestor that has no * transient owner. * * It would be a good idea if applications don't chain transient windows * together. There's a limit to how much evil GTK can try to shield you * from. */ static void show_window_recurse (GdkWindow *window, gboolean hide_window) { GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl); GSList *children = impl->transient_children; GdkWindow *child = NULL; if (!impl->changing_state) { impl->changing_state = TRUE; if (children != NULL) { while (children != NULL) { child = children->data; show_window_recurse (child, hide_window); children = g_slist_next (children); } } if (GDK_WINDOW_IS_MAPPED (window)) { if (!hide_window) { if (GDK_WINDOW_OBJECT (window)->state & GDK_WINDOW_STATE_ICONIFIED) { if (GDK_WINDOW_OBJECT (window)->state & GDK_WINDOW_STATE_MAXIMIZED) { ShowWindow (GDK_WINDOW_HWND (window), SW_SHOWMAXIMIZED); } else { ShowWindow (GDK_WINDOW_HWND (window), SW_RESTORE); } } } else { ShowWindow (GDK_WINDOW_HWND (window), SW_MINIMIZE); } } impl->changing_state = FALSE; } } static void do_show_window (GdkWindow *window, gboolean hide_window) { GdkWindow *tmp_window = NULL; GdkWindowImplWin32 *tmp_impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl); if (!tmp_impl->changing_state) { /* Find the top-level window in our transient chain. */ while (tmp_impl->transient_owner != NULL) { tmp_window = tmp_impl->transient_owner; tmp_impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (tmp_window)->impl); } /* If we couldn't find one, use the window provided. */ if (tmp_window == NULL) { tmp_window = window; } /* Recursively show/hide every window in the chain. */ if (tmp_window != window) { show_window_recurse (tmp_window, hide_window); } } } 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_win32_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 (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 (event); } GDI_CALL (ReleaseDC, (impl->handle, hdc)); } } 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))); GDI_CALL (UpdateColors, (hdc)); SelectPalette (hdc, holdpal, TRUE); RealizePalette (hdc); } GDI_CALL (ReleaseDC, (impl->handle, hdc)); } 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); } /* The check_extended flag controls whether to check if the windows want * events from extended input devices and if the message should be skipped * because an extended input device is active */ 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 check_extended) { gboolean in_propagation = FALSE; if (grab_window != NULL && !grab_owner_events) { /* Event source is grabbed with owner_events FALSE */ /* See if the event should be ignored because an extended input device * is used */ if (check_extended && ((GdkWindowObject *) grab_window)->extension_events != 0 && _gdk_input_ignore_core) { GDK_NOTE (EVENTS, g_print (" (ignored for grabber)")); return 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) { /* See if the event should be ignored because an extended input device * is used */ if (check_extended && ((GdkWindowObject *) *window)->extension_events != 0 && _gdk_input_ignore_core) { GDK_NOTE (EVENTS, g_print (" (ignored)")); return FALSE; } 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_root || parent == NULL) { /* No parent; check if grabbed */ if (grab_window != NULL) { /* Event source is grabbed with owner_events TRUE */ /* See if the event should be ignored because an extended * input device is used */ if (check_extended && ((GdkWindowObject *) grab_window)->extension_events != 0 && _gdk_input_ignore_core) { GDK_NOTE (EVENTS, g_print (" (ignored for grabber)")); return FALSE; } 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) { /* As there are no separate scroll events in X11, button press * events are used, so higher level code might be selecting for * either GDK_BUTTON_PRESS_MASK or GDK_SCROLL_MASK when it wants GDK * scroll events. Make sure this works in the Win32 backend, too. */ return !(mask & (GDK_SCROLL_MASK|GDK_BUTTON_PRESS_MASK)); } 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_get_parent (window) == _gdk_root) { ClientToScreen (msg->hwnd, &point); point.x += _gdk_offset_x; point.y += _gdk_offset_y; } 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; append_event (event); } } 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"); DeleteObject (hrgn); 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_display->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; } } DeleteObject (hrgn); return; } update_region = _gdk_win32_hrgn_to_region (hrgn); _gdk_win32_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_context_pending (NULL) && arbitrary_limit--) g_main_context_iteration (NULL, FALSE); } static VOID CALLBACK modal_timer_proc (HWND hwnd, UINT msg, UINT_PTR id, DWORD time) { if (_sizemove_in_progress) handle_stuff_while_moving_or_resizing (); } static VOID CALLBACK sync_timer_proc (HWND hwnd, UINT msg, UINT_PTR id, DWORD time) { MSG message; if (PeekMessageW (&message, hwnd, WM_PAINT, WM_PAINT, PM_REMOVE)) { return; } RedrawWindow (hwnd, NULL, NULL, RDW_INVALIDATE|RDW_UPDATENOW|RDW_ALLCHILDREN); KillTimer (hwnd, sync_timer); } static void handle_display_change (void) { _gdk_monitor_init (); _gdk_root_window_size_init (); g_signal_emit_by_name (_gdk_screen, "size_changed"); } static void generate_button_event (GdkEventType type, gint button, GdkWindow *window, GdkWindow *orig_window, MSG *msg) { GdkEvent *event = gdk_event_new (type); gint xoffset, yoffset; 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_win32_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 = _gdk_display->core_pointer; append_event (event); if (type == GDK_BUTTON_PRESS) _gdk_event_button_generate (_gdk_display, event); } static void ensure_stacking_on_unminimize (MSG *msg) { HWND rover; HWND lowest_transient = NULL; rover = msg->hwnd; while ((rover = GetNextWindow (rover, GW_HWNDNEXT))) { GdkWindow *rover_gdkw = gdk_win32_handle_table_lookup (rover); /* Checking window group not implemented yet */ if (rover_gdkw) { GdkWindowImplWin32 *rover_impl = (GdkWindowImplWin32 *)((GdkWindowObject *)rover_gdkw)->impl; if (GDK_WINDOW_IS_MAPPED (rover_gdkw) && (rover_impl->type_hint == GDK_WINDOW_TYPE_HINT_UTILITY || rover_impl->type_hint == GDK_WINDOW_TYPE_HINT_DIALOG || rover_impl->transient_owner != NULL)) { lowest_transient = rover; } } } if (lowest_transient != NULL) { GDK_NOTE (EVENTS, g_print (" restacking: %p", lowest_transient)); SetWindowPos (msg->hwnd, lowest_transient, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); } } static gboolean ensure_stacking_on_window_pos_changing (MSG *msg, GdkWindow *window) { GdkWindowImplWin32 *impl = (GdkWindowImplWin32 *)((GdkWindowObject *) window)->impl; WINDOWPOS *windowpos = (WINDOWPOS *) msg->lParam; if (GetActiveWindow () == msg->hwnd && impl->type_hint != GDK_WINDOW_TYPE_HINT_UTILITY && impl->type_hint != GDK_WINDOW_TYPE_HINT_DIALOG && impl->transient_owner == NULL) { /* Make sure the window stays behind any transient-type windows * of the same window group. * * If the window is not active and being activated, we let * Windows bring it to the top and rely on the WM_ACTIVATEAPP * handling to bring any utility windows on top of it. */ HWND rover; gboolean restacking; rover = windowpos->hwndInsertAfter; restacking = FALSE; while (rover) { GdkWindow *rover_gdkw = gdk_win32_handle_table_lookup (rover); /* Checking window group not implemented yet */ if (rover_gdkw) { GdkWindowImplWin32 *rover_impl = (GdkWindowImplWin32 *)((GdkWindowObject *)rover_gdkw)->impl; if (GDK_WINDOW_IS_MAPPED (rover_gdkw) && (rover_impl->type_hint == GDK_WINDOW_TYPE_HINT_UTILITY || rover_impl->type_hint == GDK_WINDOW_TYPE_HINT_DIALOG || rover_impl->transient_owner != NULL)) { restacking = TRUE; windowpos->hwndInsertAfter = rover; } } rover = GetNextWindow (rover, GW_HWNDNEXT); } if (restacking) { GDK_NOTE (EVENTS, g_print (" restacking: %p", windowpos->hwndInsertAfter)); return TRUE; } } return FALSE; } static void ensure_stacking_on_activate_app (MSG *msg, GdkWindow *window) { GdkWindowImplWin32 *impl = (GdkWindowImplWin32 *)((GdkWindowObject *) window)->impl; if (impl->type_hint == GDK_WINDOW_TYPE_HINT_UTILITY || impl->type_hint == GDK_WINDOW_TYPE_HINT_DIALOG || impl->transient_owner != NULL) { SetWindowPos (msg->hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); return; } if (IsWindowVisible (msg->hwnd) && msg->hwnd == GetActiveWindow ()) { /* This window is not a transient-type window and it is the * activated window. Make sure this window is as visible as * possible, just below the lowest transient-type window of this * app. */ HWND rover; rover = msg->hwnd; while ((rover = GetNextWindow (rover, GW_HWNDPREV))) { GdkWindow *rover_gdkw = gdk_win32_handle_table_lookup (rover); /* Checking window group not implemented yet */ if (rover_gdkw) { GdkWindowImplWin32 *rover_impl = (GdkWindowImplWin32 *)((GdkWindowObject *)rover_gdkw)->impl; if (GDK_WINDOW_IS_MAPPED (rover_gdkw) && (rover_impl->type_hint == GDK_WINDOW_TYPE_HINT_UTILITY || rover_impl->type_hint == GDK_WINDOW_TYPE_HINT_DIALOG || rover_impl->transient_owner != NULL)) { GDK_NOTE (EVENTS, g_print (" restacking: %p", rover)); SetWindowPos (msg->hwnd, rover, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); break; } } } } } static gboolean gdk_event_translate (MSG *msg, gint *ret_valp) { RECT rect, *drag, orig_drag; POINT point; MINMAXINFO *mmi; HWND hwnd; HCURSOR hcursor; BYTE key_state[256]; HIMC himc; WINDOWPOS *windowpos; 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; GdkAtom target; gchar buf[256]; gboolean return_val = FALSE; int i; if (_gdk_default_filters) { /* Apply global filters */ GdkFilterReturn result = apply_event_filters (NULL, msg, _gdk_default_filters); /* If result is GDK_FILTER_CONTINUE, we continue as if nothing * happened. If it is GDK_FILTER_REMOVE or GDK_FILTER_TRANSLATE, * we return TRUE, and DefWindowProcW() will not be called. */ if (result == GDK_FILTER_REMOVE || 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", (int) 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 (EVENTS, g_print (" (posted)")); PostMessageW (msg->hwnd, msg->message, msg->wParam, msg->lParam); } else if (msg->message == WM_CREATE) { window = (UNALIGNED GdkWindow*) (((LPCREATESTRUCTW) msg->lParam)->lpCreateParams); GDK_WINDOW_HWND (window) = msg->hwnd; } else { GDK_NOTE (EVENTS, g_print (" (no GdkWindow)")); } 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_event_filters (window, msg, ((GdkWindowObject *) window)->filters); if (result == GDK_FILTER_REMOVE || result == GDK_FILTER_TRANSLATE) { return_val = TRUE; goto done; } } if (msg->message == client_message) { GList *tmp_list; GdkFilterReturn result = GDK_FILTER_CONTINUE; GList *node; GDK_NOTE (EVENTS, g_print (" client_message")); event = gdk_event_new (GDK_NOTHING); ((GdkEventPrivate *)event)->flags |= GDK_EVENT_PENDING; node = _gdk_event_queue_append (_gdk_display, event); tmp_list = client_filters; while (tmp_list) { GdkClientFilter *filter = tmp_list->data; tmp_list = tmp_list->next; if (filter->type == GDK_POINTER_TO_ATOM (msg->wParam)) { GDK_NOTE (EVENTS, g_print (" (match)")); result = (*filter->function) (msg, event, filter->data); if (result != GDK_FILTER_CONTINUE) break; } } switch (result) { case GDK_FILTER_REMOVE: _gdk_event_queue_remove_link (_gdk_display, node); g_list_free_1 (node); gdk_event_free (event); return_val = TRUE; goto done; case GDK_FILTER_TRANSLATE: ((GdkEventPrivate *)event)->flags &= ~GDK_EVENT_PENDING; GDK_NOTE (EVENTS, print_event (event)); return_val = TRUE; goto done; case GDK_FILTER_CONTINUE: /* Send unknown client messages on to Gtk for it to use */ event->client.type = 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; GDK_NOTE (EVENTS, print_event (event)); return_val = TRUE; goto done; } } switch (msg->message) { case WM_INPUTLANGCHANGE: _gdk_input_locale = (HKL) msg->lParam; _gdk_input_locale_is_ime = ImmIsIME (_gdk_input_locale); GetLocaleInfo (MAKELCID (LOWORD (_gdk_input_locale), SORT_DEFAULT), LOCALE_IDEFAULTANSICODEPAGE, buf, sizeof (buf)); _gdk_input_codepage = atoi (buf); _gdk_keymap_serial++; GDK_NOTE (EVENTS, g_print (" cs:%lu hkl:%p%s cp:%d", (gulong) msg->wParam, (gpointer) 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", _gdk_win32_key_to_string (msg->lParam), (int) 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 and Alt-F4 unless * the keyboard is grabbed. */ if (k_grab_window == NULL && (msg->wParam == VK_TAB || msg->wParam == VK_SPACE || 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", _gdk_win32_key_to_string (msg->lParam), (int) 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, FALSE)) 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; if (HIWORD (msg->lParam) & KF_EXTENDED) { switch (msg->wParam) { case VK_CONTROL: event->key.hardware_keycode = VK_RCONTROL; break; case VK_SHIFT: /* Actually, KF_EXTENDED is not set * for the right shift key. */ event->key.hardware_keycode = VK_RSHIFT; break; case VK_MENU: event->key.hardware_keycode = VK_RMENU; break; } } else if (msg->wParam == VK_SHIFT && LOBYTE (HIWORD (msg->lParam)) == _scancode_rshift) event->key.hardware_keycode = VK_RSHIFT; 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 (event); return_val = TRUE; break; case WM_SYSCHAR: if (msg->wParam != VK_SPACE) { /* To prevent beeps, don't let DefWindowProcW() 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", (long) 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, FALSE)) 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 (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 (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 (!propagate (&window, msg, p_grab_window, p_grab_owner_events, p_grab_mask, doesnt_want_button_press, TRUE)) 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; } generate_button_event (GDK_BUTTON_PRESS, button, window, orig_window, msg); 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 0 if (((GdkWindowObject *) window)->extension_events != 0 && _gdk_input_ignore_core) { GDK_NOTE (EVENTS, g_print (" (ignored)")); break; } #endif if (!propagate (&window, msg, p_grab_window, p_grab_owner_events, p_grab_mask, doesnt_want_button_release, TRUE)) { } else if (!GDK_WINDOW_DESTROYED (window)) { generate_button_event (GDK_BUTTON_RELEASE, button, window, orig_window, msg); } 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 (" %p (%d,%d)", (gpointer) msg->wParam, GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam))); /* If we haven't moved, don't create any GDK event. Windows * sends WM_MOUSEMOVE messages after a new window is shows under * the mouse, even if the mouse hasn't moved. This disturbs gtk. */ if (msg->pt.x + _gdk_offset_x == current_root_x && msg->pt.y + _gdk_offset_y == current_root_y) break; current_root_x = msg->pt.x + _gdk_offset_x; current_root_y = msg->pt.y + _gdk_offset_y; 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) { if (p_grab_owner_events) { synthesize_crossing_events (real_window, GDK_CROSSING_NORMAL, msg); } else if (current_window == p_grab_window) { synthesize_leave_event (p_grab_window, msg, GDK_CROSSING_NORMAL, GDK_NOTIFY_ANCESTOR); assign_object (¤t_window, _gdk_root); } else if (real_window == p_grab_window) { synthesize_enter_event (p_grab_window, msg, GDK_CROSSING_NORMAL, GDK_NOTIFY_ANCESTOR); assign_object (¤t_window, p_grab_window); } } } else { if (window != current_window) synthesize_crossing_events (window, GDK_CROSSING_NORMAL, msg); } if (!propagate (&window, msg, p_grab_window, p_grab_owner_events, p_grab_mask, doesnt_want_button_motion, TRUE)) break; if (GDK_WINDOW_DESTROYED (window)) break; if (window != orig_window) translate_mouse_coords (orig_window, window, msg); 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_win32_windowing_window_get_offsets (window, &xoffset, &yoffset); event->motion.x += xoffset; event->motion.y += yoffset; event->motion.x_root = current_root_x; event->motion.y_root = current_root_y; event->motion.axes = NULL; event->motion.state = build_pointer_event_state (msg); event->motion.is_hint = FALSE; event->motion.device = _gdk_display->core_pointer; append_event (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_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); assign_object (¤t_window, _gdk_root); } 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 (!propagate (&window, msg, p_grab_window, p_grab_owner_events, p_grab_mask, doesnt_want_scroll, TRUE)) 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.time = _gdk_win32_get_next_tick (msg->time); _gdk_win32_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 = _gdk_display->core_pointer; append_event (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: { GdkWindow *tmp; if (gdk_window_get_window_type (window) == GDK_WINDOW_TEMP || !((GdkWindowObject *)window)->accept_focus) { *ret_valp = MA_NOACTIVATE; return_val = TRUE; } tmp = _gdk_modal_current (); if (tmp != NULL) { if (gdk_window_get_toplevel (window) != tmp) { *ret_valp = MA_NOACTIVATEANDEAT; return_val = TRUE; } } } break; case WM_KILLFOCUS: if (p_grab_window != NULL && !GDK_WINDOW_DESTROYED (p_grab_window)) generate_grab_broken_event (p_grab_window, FALSE, NULL); if (k_grab_window != NULL && !GDK_WINDOW_DESTROYED (k_grab_window) && k_grab_window != p_grab_window) generate_grab_broken_event (k_grab_window, TRUE, NULL); /* fallthrough */ case WM_SETFOCUS: if (k_grab_window != NULL && !k_grab_owner_events) break; if (!(((GdkWindowObject *) window)->event_mask & GDK_FOCUS_CHANGE_MASK)) break; if (GDK_WINDOW_DESTROYED (window)) break; generate_focus_event (window, (msg->message == WM_SETFOCUS)); return_val = TRUE; break; case WM_ERASEBKGND: GDK_NOTE (EVENTS, g_print (" %p", (HANDLE) msg->wParam)); if (GDK_WINDOW_DESTROYED (window)) break; return_val = TRUE; *ret_valp = 1; break; case WM_SYNCPAINT: sync_timer = SetTimer (GDK_WINDOW_HWND (window), 1, 200, sync_timer_proc); 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 (" %s %s", (msg->wParam ? "YES" : "NO"), (msg->lParam == 0 ? "ShowWindow" : (msg->lParam == SW_OTHERUNZOOM ? "OTHERUNZOOM" : (msg->lParam == SW_OTHERZOOM ? "OTHERZOOM" : (msg->lParam == SW_PARENTCLOSING ? "PARENTCLOSING" : (msg->lParam == SW_PARENTOPENING ? "PARENTOPENING" : "???"))))))); 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 (event); if (event->any.type == GDK_UNMAP) { impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl); if (impl->transient_owner && GetForegroundWindow () == GDK_WINDOW_HWND (window)) { SetForegroundWindow (GDK_WINDOW_HWND (impl->transient_owner)); } if (p_grab_window == window) { gdk_pointer_ungrab (msg->time); } if (k_grab_window == window) { gdk_keyboard_ungrab (msg->time); } } return_val = TRUE; break; case WM_SYSCOMMAND: switch (msg->wParam) { case SC_MINIMIZE: case SC_RESTORE: do_show_window (window, msg->wParam == SC_MINIMIZE ? TRUE : FALSE); break; } 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); do_show_window (window, TRUE); } 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 (((GdkWindowObject *) window)->state & GDK_WINDOW_STATE_ICONIFIED) ensure_stacking_on_unminimize (msg); 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); if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_TEMP && !GDK_WINDOW_IS_MAPPED (window)) { do_show_window (window, FALSE); } } 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: _sizemove_in_progress = TRUE; modal_timer = SetTimer (NULL, 0, 20, modal_timer_proc); break; case WM_EXITSIZEMOVE: _sizemove_in_progress = FALSE; KillTimer (NULL, modal_timer); break; case WM_ENTERMENULOOP: _sizemove_in_progress = TRUE; modal_timer = SetTimer (NULL, 0, 20, modal_timer_proc); break; case WM_EXITMENULOOP: _sizemove_in_progress = FALSE; KillTimer (NULL, modal_timer); break; case WM_WINDOWPOSCHANGING: GDK_NOTE (EVENTS, (windowpos = (WINDOWPOS *) msg->lParam, g_print (" %s %s %dx%d@%+d%+d now below %p", _gdk_win32_window_pos_bits_to_string (windowpos->flags), (windowpos->hwndInsertAfter == HWND_BOTTOM ? "BOTTOM" : (windowpos->hwndInsertAfter == HWND_NOTOPMOST ? "NOTOPMOST" : (windowpos->hwndInsertAfter == HWND_TOP ? "TOP" : (windowpos->hwndInsertAfter == HWND_TOPMOST ? "TOPMOST" : (sprintf (buf, "%p", windowpos->hwndInsertAfter), buf))))), windowpos->cx, windowpos->cy, windowpos->x, windowpos->y, GetNextWindow (msg->hwnd, GW_HWNDPREV)))); if (GDK_WINDOW_IS_MAPPED (window)) return_val = ensure_stacking_on_window_pos_changing (msg, window); break; case WM_WINDOWPOSCHANGED: GDK_NOTE (EVENTS, (windowpos = (WINDOWPOS *) msg->lParam, g_print (" %s %s %dx%d@%+d%+d", _gdk_win32_window_pos_bits_to_string (windowpos->flags), (windowpos->hwndInsertAfter == HWND_BOTTOM ? "BOTTOM" : (windowpos->hwndInsertAfter == HWND_NOTOPMOST ? "NOTOPMOST" : (windowpos->hwndInsertAfter == HWND_TOP ? "TOP" : (windowpos->hwndInsertAfter == HWND_TOPMOST ? "TOPMOST" : (sprintf (buf, "%p", windowpos->hwndInsertAfter), buf))))), windowpos->cx, windowpos->cy, windowpos->x, windowpos->y))); /* 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 (_sizemove_in_progress && GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD && !GDK_WINDOW_DESTROYED (window)) { if (((GdkWindowObject *) window)->event_mask & GDK_STRUCTURE_MASK) { GDK_NOTE (EVENTS, g_print (" do magic")); if (((GdkWindowObject *) window)->resize_count > 1) ((GdkWindowObject *) window)->resize_count -= 1; handle_configure_event (msg, window); g_main_context_iteration (NULL, FALSE); /* 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); drag = (RECT *) msg->lParam; 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 (drag))); impl = GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl); orig_drag = *drag; if (impl->hint_flags & GDK_HINT_RESIZE_INC) { GDK_NOTE (EVENTS, g_print (" (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: %s)", _gdk_win32_rect_to_string (drag))); } } /* WM_GETMINMAXINFO handles min_size and max_size hints? */ if (impl->hint_flags & GDK_HINT_ASPECT) { RECT decorated_rect; RECT undecorated_drag; int decoration_width, decoration_height; gdouble drag_aspect; int drag_width, drag_height, new_width, new_height; GetClientRect (GDK_WINDOW_HWND (window), &rect); decorated_rect = rect; _gdk_win32_adjust_client_rect (window, &decorated_rect); /* Set undecorated_drag to the client area being dragged * out, in screen coordinates. */ undecorated_drag = *drag; undecorated_drag.left -= decorated_rect.left - rect.left; undecorated_drag.right -= decorated_rect.right - rect.right; undecorated_drag.top -= decorated_rect.top - rect.top; undecorated_drag.bottom -= decorated_rect.bottom - rect.bottom; decoration_width = (decorated_rect.right - decorated_rect.left) - (rect.right - rect.left); decoration_height = (decorated_rect.bottom - decorated_rect.top) - (rect.bottom - rect.top); drag_width = undecorated_drag.right - undecorated_drag.left; drag_height = undecorated_drag.bottom - undecorated_drag.top; drag_aspect = (gdouble) drag_width / drag_height; GDK_NOTE (EVENTS, g_print (" (ASPECT:%g--%g curr: %g)", impl->hints.min_aspect, impl->hints.max_aspect, drag_aspect)); if (drag_aspect < impl->hints.min_aspect) { /* Aspect is getting too narrow */ switch (msg->wParam) { case WMSZ_BOTTOM: case WMSZ_TOP: /* User drags top or bottom edge outward. Keep height, increase width. */ new_width = impl->hints.min_aspect * drag_height; drag->left -= (new_width - drag_width) / 2; drag->right = drag->left + new_width + decoration_width; break; case WMSZ_BOTTOMLEFT: case WMSZ_BOTTOMRIGHT: /* User drags bottom-left or bottom-right corner down. Adjust height. */ new_height = drag_width / impl->hints.min_aspect; drag->bottom = drag->top + new_height + decoration_height; break; case WMSZ_LEFT: case WMSZ_RIGHT: /* User drags left or right edge inward. Decrease height */ new_height = drag_width / impl->hints.min_aspect; drag->top += (drag_height - new_height) / 2; drag->bottom = drag->top + new_height + decoration_height; break; case WMSZ_TOPLEFT: case WMSZ_TOPRIGHT: /* User drags top-left or top-right corner up. Adjust height. */ new_height = drag_width / impl->hints.min_aspect; drag->top = drag->bottom - new_height - decoration_height; } } else if (drag_aspect > impl->hints.max_aspect) { /* Aspect is getting too wide */ switch (msg->wParam) { case WMSZ_BOTTOM: case WMSZ_TOP: /* User drags top or bottom edge inward. Decrease width. */ new_width = impl->hints.max_aspect * drag_height; drag->left += (drag_width - new_width) / 2; drag->right = drag->left + new_width + decoration_width; break; case WMSZ_BOTTOMLEFT: case WMSZ_TOPLEFT: /* User drags bottom-left or top-left corner left. Adjust width. */ new_width = impl->hints.max_aspect * drag_height; drag->left = drag->right - new_width - decoration_width; break; case WMSZ_BOTTOMRIGHT: case WMSZ_TOPRIGHT: /* User drags bottom-right or top-right corner right. Adjust width. */ new_width = impl->hints.max_aspect * drag_height; drag->right = drag->left + new_width + decoration_width; break; case WMSZ_LEFT: case WMSZ_RIGHT: /* User drags left or right edge outward. Increase height. */ new_height = drag_width / impl->hints.max_aspect; drag->top -= (new_height - drag_height) / 2; drag->bottom = drag->top + new_height + decoration_height; break; } } *ret_valp = TRUE; return_val = TRUE; GDK_NOTE (EVENTS, g_print (" (handled ASPECT: %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 ? maxh : G_MAXSHORT; } if (impl->hint_flags & (GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE)) { /* Don't call DefWindowProcW() */ 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)) { 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 (event); impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl); if (impl->transient_owner && GetForegroundWindow() == GDK_WINDOW_HWND (window)) { SetForegroundWindow (GDK_WINDOW_HWND (impl->transient_owner)); } return_val = TRUE; break; case WM_DESTROY: if (window == current_window) assign_object (¤t_window, _gdk_root); if (p_grab_window == window) gdk_pointer_ungrab (msg->time); if (k_grab_window == window) gdk_keyboard_ungrab (msg->time); if ((window != NULL) && (msg->hwnd != GetDesktopWindow ())) 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 (event); return_val = TRUE; break; case WM_DISPLAYCHANGE: handle_display_change (); break; case WM_DESTROYCLIPBOARD: if (!_ignore_destroy_clipboard) { event = gdk_event_new (GDK_SELECTION_CLEAR); event->selection.window = window; event->selection.selection = GDK_SELECTION_CLIPBOARD; event->selection.time = _gdk_win32_get_next_tick (msg->time); append_event (event); } else { return_val = TRUE; } break; case WM_RENDERFORMAT: GDK_NOTE (EVENTS, g_print (" %s", _gdk_win32_cf_to_string (msg->wParam))); if (!(target = g_hash_table_lookup (_format_atom_table, GINT_TO_POINTER (msg->wParam)))) { GDK_NOTE (EVENTS, g_print (" (target not found)")); return_val = TRUE; break; } /* We need to render to clipboard immediately, don't call * append_event() */ if (_gdk_event_func) { event = gdk_event_new (GDK_SELECTION_REQUEST); event->selection.window = window; event->selection.send_event = FALSE; event->selection.selection = GDK_SELECTION_CLIPBOARD; event->selection.target = target; event->selection.property = _gdk_selection_property; event->selection.requestor = msg->hwnd; event->selection.time = msg->time; fixup_event (event); GDK_NOTE (EVENTS, g_print (" (calling gdk_event_func)")); GDK_NOTE (EVENTS, print_event (event)); (*_gdk_event_func) (event, _gdk_event_data); gdk_event_free (event); /* Now the clipboard owner should have rendered */ if (!_delayed_rendering_data) { GDK_NOTE (EVENTS, g_print (" (no _delayed_rendering_data?)")); } else { if (msg->wParam == CF_DIB) { _delayed_rendering_data = _gdk_win32_selection_convert_to_dib (_delayed_rendering_data, target); if (!_delayed_rendering_data) { g_warning ("Cannot convert to DIB from delayed rendered image"); break; } } /* The requestor is holding the clipboard, no * OpenClipboard() is required/possible */ API_CALL (SetClipboardData, (msg->wParam, _delayed_rendering_data)); _delayed_rendering_data = NULL; } } break; case WM_ACTIVATE: GDK_NOTE (EVENTS, g_print (" %s%s %p", (LOWORD (msg->wParam) == WA_ACTIVE ? "ACTIVE" : (LOWORD (msg->wParam) == WA_CLICKACTIVE ? "CLICKACTIVE" : (LOWORD (msg->wParam) == WA_INACTIVE ? "INACTIVE" : "???"))), HIWORD (msg->wParam) ? " minimized" : "", (HWND) msg->lParam)); /* We handle mouse clicks for modally-blocked windows under WM_MOUSEACTIVATE, * but we still need to deal with alt-tab, or with SetActiveWindow() type * situations. */ if (is_modally_blocked (window) && LOWORD (msg->wParam) == WA_ACTIVE) { GdkWindow *modal_current = _gdk_modal_current (); SetActiveWindow (GDK_WINDOW_HWND (modal_current)); *ret_valp = 0; return_val = TRUE; break; } /* Bring any tablet contexts to the top of the overlap order when * one of our windows is activated. * NOTE: It doesn't seem to work well if it is done in WM_ACTIVATEAPP * instead */ if (LOWORD(msg->wParam) != WA_INACTIVE) _gdk_input_set_tablet_active (); break; case WM_ACTIVATEAPP: GDK_NOTE (EVENTS, g_print (" %s thread: %I64d", msg->wParam ? "YES" : "NO", (gint64) msg->lParam)); if (msg->wParam && GDK_WINDOW_IS_MAPPED (window)) ensure_stacking_on_activate_app (msg, window); break; /* 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 %p", (int) msg->wParam, (gpointer) msg->lParam)); goto wintab; case WT_CSRCHANGE: GDK_NOTE (EVENTS, g_print (" %d %p", (int) msg->wParam, (gpointer) msg->lParam)); goto wintab; case WT_PROXIMITY: GDK_NOTE (EVENTS, g_print (" %p %d %d", (gpointer) msg->wParam, LOWORD (msg->lParam), HIWORD (msg->lParam))); /* Fall through */ wintab: event = gdk_event_new (GDK_NOTHING); event->any.window = window; g_object_ref (window); if (_gdk_input_other_event (event, msg, window)) append_event (event); else gdk_event_free (event); break; } done: if (window) g_object_unref (window); #undef return return return_val; } void _gdk_events_queue (GdkDisplay *display) { MSG msg; if (modal_win32_dialog != NULL) return; while (!_gdk_event_queue_find_first (display) && PeekMessageW (&msg, NULL, 0, 0, PM_REMOVE)) { TranslateMessage (&msg); DispatchMessageW (&msg); } } static gboolean gdk_event_prepare (GSource *source, gint *timeout) { MSG msg; gboolean retval; GDK_THREADS_ENTER (); *timeout = -1; retval = (_gdk_event_queue_find_first (_gdk_display) != NULL || (modal_win32_dialog == NULL && PeekMessageW (&msg, NULL, 0, 0, PM_NOREMOVE))); GDK_THREADS_LEAVE (); return retval; } static gboolean gdk_event_check (GSource *source) { MSG msg; gboolean retval; GDK_THREADS_ENTER (); if (event_poll_fd.revents & G_IO_IN) { retval = (_gdk_event_queue_find_first (_gdk_display) != NULL || (modal_win32_dialog == NULL && PeekMessageW (&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; GDK_THREADS_ENTER (); _gdk_events_queue (_gdk_display); event = _gdk_event_unqueue (_gdk_display); if (event) { if (_gdk_event_func) (*_gdk_event_func) (event, _gdk_event_data); gdk_event_free (event); } GDK_THREADS_LEAVE (); return TRUE; } void gdk_win32_set_modal_dialog_libgtk_only (HWND window) { modal_win32_dialog = window; } static gboolean is_modally_blocked (GdkWindow *window) { GdkWindow *modal_current = _gdk_modal_current (); return modal_current != NULL ? gdk_window_get_toplevel (window) != modal_current : FALSE; } 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 PostMessageW ((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); PostMessageW (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 (PeekMessageW (&msg, NULL, 0, 0, PM_REMOVE)) { TranslateMessage (&msg); DispatchMessageW (&msg); } #endif GdiFlush (); } void gdk_display_sync (GdkDisplay * display) { MSG msg; g_return_if_fail (display == _gdk_display); /* Process all messages currently available */ while (PeekMessageW (&msg, NULL, 0, 0, PM_REMOVE)) DispatchMessageW (&msg); } void gdk_display_flush (GdkDisplay * display) { g_return_if_fail (display == _gdk_display); /* Nothing */ } gboolean gdk_net_wm_supports (GdkAtom property) { return FALSE; } void _gdk_windowing_event_data_copy (const GdkEvent *src, GdkEvent *dst) { } void _gdk_windowing_event_data_free (GdkEvent *event) { }