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gtk2/gdk/win32/gdkevents-win32.c
Tor Lillqvist 72a70cb646 Handle global filters. 
2003-06-05  Tor Lillqvist  <tml@iki.fi>

	* gdk/win32/gdkevents-win32.c (gdk_event_translate): Handle global
	filters.
2003-06-05 22:05:14 +00:00

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
* Copyright (C) 1998-2002 Tor Lillqvist
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
/* Cannot use TrackMouseEvent, as the stupid WM_MOUSELEAVE message
* doesn't tell us where the mouse has gone. Thus we cannot use it to
* generate a correct GdkNotifyType. Pity, as using TrackMouseEvent
* otherwise would make it possible to reliably generate
* GDK_LEAVE_NOTIFY events, which would help get rid of those pesky
* tooltips sometimes popping up in the wrong place.
*/
/* Do use SetCapture, it works now. Thanks to jpe@archaeopteryx.com */
#define USE_SETCAPTURE 1
#include "config.h"
#include <glib/gprintf.h>
#if defined (__GNUC__) && defined (HAVE_DIMM_H)
/* The w32api imm.h clashes a bit with the IE5.5 dimm.h */
# define IMEMENUITEMINFOA hidden_IMEMENUITEMINFOA
# define IMEMENUITEMINFOW hidden_IMEMENUITEMINFOW
#endif
#include "gdk.h"
#include "gdkprivate-win32.h"
#include "gdkinput-win32.h"
#include "gdkkeysyms.h"
#include <windowsx.h>
#ifdef G_WITH_CYGWIN
#include <fcntl.h>
#include <errno.h>
#endif
#include <objbase.h>
#include <imm.h>
#if defined (__GNUC__) && defined (HAVE_DIMM_H)
# undef IMEMENUITEMINFOA
# undef IMEMENUITEMINFOW
#endif
#ifdef HAVE_DIMM_H
#include <dimm.h>
#endif
/*
* Private function declarations
*/
static GdkFilterReturn
gdk_event_apply_filters(MSG *msg,
GdkEvent *event,
GList *filters);
static gboolean gdk_event_translate (GdkDisplay *display,
GdkEvent *event,
MSG *msg,
gboolean *ret_val_flagp,
gint *ret_valp,
gboolean return_exposes);
static gboolean gdk_event_prepare (GSource *source,
gint *timeout);
static gboolean gdk_event_check (GSource *source);
static gboolean gdk_event_dispatch (GSource *source,
GSourceFunc callback,
gpointer user_data);
/* Private variable declarations
*/
static GdkWindow *p_grab_window = NULL; /* Window that currently
* holds the pointer grab
*/
static GdkWindow *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 gdouble current_x_root, current_y_root;
static UINT gdk_ping_msg;
static UINT msh_mousewheel_msg;
static gboolean ignore_wm_char = FALSE;
static gboolean is_altgr_key = FALSE;
#ifdef HAVE_DIMM_H
static IActiveIMMApp *active_imm_app = NULL;
static IActiveIMMMessagePumpOwner *active_imm_msgpump_owner = NULL;
#endif
static gboolean use_ime_composition = FALSE;
static HKL latin_locale = NULL;
gulong
_gdk_win32_get_next_tick (gulong suggested_tick)
{
static gulong cur_tick = 0;
if (suggested_tick == 0)
suggested_tick = GetTickCount ();
if (suggested_tick <= cur_tick)
return ++cur_tick;
else
return cur_tick = suggested_tick;
}
static LRESULT
real_window_procedure (HWND hwnd,
UINT message,
WPARAM wparam,
LPARAM lparam)
{
/* any way to have more than one display on win32 ? */
GdkDisplay *display = gdk_display_get_default ();
GdkEvent *event;
MSG msg;
DWORD pos;
#ifdef HAVE_DIMM_H
LRESULT lres;
#endif
gint ret_val;
gboolean ret_val_flag;
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);
event = gdk_event_new (GDK_NOTHING);
((GdkEventPrivate *)event)->flags |= GDK_EVENT_PENDING;
if (gdk_event_translate (display, event, &msg, &ret_val_flag, &ret_val, FALSE))
{
((GdkEventPrivate *)event)->flags &= ~GDK_EVENT_PENDING;
_gdk_event_queue_append (display, event);
if (event->type == GDK_BUTTON_PRESS)
_gdk_event_button_generate (display, event);
#if 1
/* Wake up WaitMessage */
PostMessage (NULL, gdk_ping_msg, 0, 0);
#endif
if (ret_val_flag)
return ret_val;
else
return FALSE;
}
else
gdk_event_free (event);
if (ret_val_flag)
return ret_val;
else
{
GDK_NOTE (EVENTS, g_print("calling DefWindowProc\n"));
#ifndef HAVE_DIMM_H
return DefWindowProc (hwnd, message, wparam, lparam);
#else
if (active_imm_app == NULL
|| (*active_imm_app->lpVtbl->OnDefWindowProc) (active_imm_app, hwnd, message, wparam, lparam, &lres) == S_FALSE)
return DefWindowProc (hwnd, message, wparam, lparam);
else
return lres;
#endif
}
}
LRESULT CALLBACK
_gdk_win32_window_procedure (HWND hwnd,
UINT message,
WPARAM wparam,
LPARAM lparam)
{
LRESULT retval;
GDK_NOTE (MISC, g_print ("_gdk_win32_window_procedure: %p %s\n",
hwnd, _gdk_win32_message_to_string (message)));
retval = real_window_procedure (hwnd, message, wparam, lparam);
GDK_NOTE (MISC, g_print ("_gdk_win32_window_procedure: %p %s return %ld\n",
hwnd, _gdk_win32_message_to_string (message), retval));
return retval;
}
void
_gdk_events_init (void)
{
GSource *source;
#ifdef HAVE_DIMM_H
HRESULT hres;
#endif
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,
LANG_SWAHILI
};
gdk_ping_msg = RegisterWindowMessage ("gdk-ping");
GDK_NOTE (EVENTS, g_print ("gdk-ping = %#x\n", gdk_ping_msg));
/* This is the string MSH_MOUSEWHEEL from zmouse.h,
* http://www.microsoft.com/mouse/intellimouse/sdk/zmouse.h
* This message is used by mouse drivers than cannot generate WM_MOUSEWHEEL
* or on Win95.
*/
msh_mousewheel_msg = RegisterWindowMessage ("MSWHEEL_ROLLMSG");
GDK_NOTE (EVENTS, g_print ("MSH_MOUSEWHEEL = %#x\n", msh_mousewheel_msg));
/* 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));
source = g_source_new (&event_funcs, sizeof (GSource));
g_source_set_priority (source, GDK_PRIORITY_EVENTS);
#ifdef G_WITH_CYGWIN
event_poll_fd.fd = open ("/dev/windows", O_RDONLY);
if (event_poll_fd.fd == -1)
g_error ("can't open \"/dev/windows\": %s", g_strerror (errno));
#else
event_poll_fd.fd = G_WIN32_MSG_HANDLE;
#endif
event_poll_fd.events = G_IO_IN;
g_source_add_poll (source, &event_poll_fd);
g_source_set_can_recurse (source, TRUE);
g_source_attach (source, NULL);
#ifdef HAVE_DIMM_H
hres = CoCreateInstance (&CLSID_CActiveIMM,
NULL,
CLSCTX_ALL,
&IID_IActiveIMMApp,
(LPVOID *) &active_imm_app);
if (hres == S_OK)
{
GDK_NOTE (EVENTS, g_print ("IActiveIMMApp created %p\n",
active_imm_app));
(*active_imm_app->lpVtbl->Activate) (active_imm_app, TRUE);
hres = (*active_imm_app->lpVtbl->QueryInterface) (active_imm_app, &IID_IActiveIMMMessagePumpOwner, &active_imm_msgpump_owner);
GDK_NOTE (EVENTS, g_print ("IActiveIMMMessagePumpOwner created %p\n",
active_imm_msgpump_owner));
(active_imm_msgpump_owner->lpVtbl->Start) (active_imm_msgpump_owner);
}
#endif
if (IS_WIN_NT () && (_windows_version & 0xFF) == 5)
{
/* On Win2k (Beta 3, at least) WM_IME_CHAR doesn't seem to work
* correctly for non-Unicode applications. Handle
* WM_IME_COMPOSITION with GCS_RESULTSTR instead, fetch the
* Unicode char from the IME with ImmGetCompositionStringW().
*/
use_ime_composition = TRUE;
}
}
/*
*--------------------------------------------------------------
* gdk_events_pending
*
* Returns if events are pending on the queue.
*
* Arguments:
*
* Results:
* Returns TRUE if events are pending
*
* Side effects:
*
*--------------------------------------------------------------
*/
gboolean
gdk_events_pending (void)
{
MSG msg;
GdkDisplay *display = gdk_display_get_default ();
return (_gdk_event_queue_find_first (display) ||
PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE));
}
/*
*--------------------------------------------------------------
* gdk_event_get_graphics_expose
*
* Waits for a GraphicsExpose or NoExpose event
*
* Arguments:
*
* Results:
* For GraphicsExpose events, returns a pointer to the event
* converted into a GdkEvent Otherwise, returns NULL.
*
* Side effects:
*
*-------------------------------------------------------------- */
GdkEvent*
gdk_event_get_graphics_expose (GdkWindow *window)
{
MSG msg;
GdkEvent *event;
g_return_val_if_fail (window != NULL, NULL);
GDK_NOTE (EVENTS, g_print ("gdk_event_get_graphics_expose\n"));
if (PeekMessage (&msg, GDK_WINDOW_HWND (window), WM_PAINT, WM_PAINT, PM_REMOVE))
{
event = gdk_event_new (GDK_NOTHING);
if (gdk_event_translate (gdk_drawable_get_display (window),
event, &msg, NULL, NULL, TRUE))
{
GDK_NOTE (EVENTS, g_print ("gdk_event_get_graphics_expose: got it!\n"));
return event;
}
else
gdk_event_free (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;
}
/*
*--------------------------------------------------------------
* gdk_pointer_grab
*
* Grabs the pointer to a specific window
*
* Arguments:
* "window" is the window which will receive the grab
* "owner_events" specifies whether events will be reported as is,
* or relative to "window"
* "event_mask" masks only interesting events
* "confine_to" limits the cursor movement to the specified window
* "cursor" changes the cursor for the duration of the grab
* "time" specifies the time
*
* Results:
*
* Side effects:
* requires a corresponding call to gdk_pointer_ungrab
*
*--------------------------------------------------------------
*/
GdkGrabStatus
gdk_pointer_grab (GdkWindow *window,
gboolean owner_events,
GdkEventMask event_mask,
GdkWindow *confine_to,
GdkCursor *cursor,
guint32 time)
{
HWND hwnd_confined_to;
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 (!confine_to || GDK_WINDOW_DESTROYED (confine_to))
hwnd_confined_to = NULL;
else
hwnd_confined_to = GDK_WINDOW_HWND (confine_to);
if (!cursor)
hcursor = NULL;
else if ((hcursor = CopyCursor (cursor_private->hcursor)) == NULL)
WIN32_API_FAILED ("CopyCursor");
#if 0
return_val = _gdk_input_grab_pointer (window,
owner_events,
event_mask,
confine_to,
time);
#endif
if (return_val == GDK_GRAB_SUCCESS)
{
if (!GDK_WINDOW_DESTROYED (window))
{
GDK_NOTE (EVENTS, g_print ("gdk_pointer_grab: %p %s %p %s\n",
GDK_WINDOW_HWND (window),
(owner_events ? "TRUE" : "FALSE"),
hcursor,
event_mask_string (event_mask)));
p_grab_mask = event_mask;
p_grab_owner_events = (owner_events != 0);
p_grab_automatic = FALSE;
#if USE_SETCAPTURE
SetCapture (GDK_WINDOW_HWND (window));
#endif
return_val = GDK_GRAB_SUCCESS;
}
else
return_val = GDK_GRAB_ALREADY_GRABBED;
}
if (return_val == GDK_GRAB_SUCCESS)
{
p_grab_window = window;
p_grab_cursor = hcursor;
if (p_grab_cursor != NULL)
SetCursor (p_grab_cursor);
}
return return_val;
}
void
gdk_display_pointer_ungrab (GdkDisplay *display,
guint32 time)
{
GDK_NOTE (EVENTS, g_print ("gdk_pointer_ungrab\n"));
g_return_if_fail (display == gdk_display_get_default ());
#if 0
_gdk_input_ungrab_pointer (time);
#endif
#if USE_SETCAPTURE
if (GetCapture () != NULL)
ReleaseCapture ();
#endif
p_grab_window = NULL;
if (p_grab_cursor != NULL)
{
if (GetCursor () == p_grab_cursor)
SetCursor (NULL);
DestroyCursor (p_grab_cursor);
p_grab_cursor = NULL;
}
}
/*
*--------------------------------------------------------------
* find_window_for_pointer_event
*
* Find the window a pointer event (mouse up, down, move) should
* be reported to. If the return value != reported_window then
* the ref count of reported_window will be decremented and the
* ref count of the return value will be incremented.
*
* Arguments:
*
* "reported_window" is the gdk window the xevent was reported relative to
* "xevent" is the win32 message
*
* Results:
*
* Side effects:
*
*--------------------------------------------------------------
*/
static GdkWindow*
find_window_for_pointer_event (GdkWindow* reported_window,
MSG* msg)
{
HWND hwnd;
POINTS points;
POINT pt;
GdkWindow* other_window;
if (p_grab_window == NULL || !p_grab_owner_events)
return reported_window;
points = MAKEPOINTS (msg->lParam);
pt.x = points.x;
pt.y = points.y;
ClientToScreen (msg->hwnd, &pt);
GDK_NOTE (EVENTS, g_print ("Finding window for grabbed pointer event at (%ld, %ld)\n",
pt.x, pt.y));
hwnd = WindowFromPoint (pt);
if (hwnd == NULL)
return reported_window;
other_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) hwnd);
if (other_window == NULL)
return reported_window;
GDK_NOTE (EVENTS, g_print ("Found window %p for point (%ld, %ld)\n",
hwnd, pt.x, pt.y));
gdk_window_unref (reported_window);
gdk_window_ref (other_window);
return other_window;
}
gboolean
gdk_display_pointer_is_grabbed (GdkDisplay *display)
{
g_return_val_if_fail (display == gdk_display_get_default (), FALSE);
GDK_NOTE (EVENTS, g_print ("gdk_pointer_is_grabbed: %s\n",
p_grab_window != NULL ? "TRUE" : "FALSE"));
return p_grab_window != NULL;
}
gboolean
gdk_pointer_grab_info_libgtk_only (GdkDisplay *display,
GdkWindow **grab_window,
gboolean *owner_events)
{
g_return_val_if_fail (display == gdk_display_get_default (), FALSE);
if (p_grab_window != NULL)
{
if (grab_window)
*grab_window = p_grab_window;
if (owner_events)
*owner_events = p_grab_owner_events;
return TRUE;
}
else
return FALSE;
}
/*
*--------------------------------------------------------------
* gdk_keyboard_grab
*
* Grabs the keyboard to a specific window
*
* Arguments:
* "window" is the window which will receive the grab
* "owner_events" specifies whether events will be reported as is,
* or relative to "window"
* "time" specifies the time
*
* Results:
*
* Side effects:
* requires a corresponding call to gdk_keyboard_ungrab
*
*--------------------------------------------------------------
*/
GdkGrabStatus
gdk_keyboard_grab (GdkWindow *window,
gboolean owner_events,
guint32 time)
{
gint return_val;
g_return_val_if_fail (window != NULL, 0);
g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
GDK_NOTE (EVENTS, g_print ("gdk_keyboard_grab %p\n",
GDK_WINDOW_HWND (window)));
if (!GDK_WINDOW_DESTROYED (window))
{
k_grab_owner_events = owner_events != 0;
return_val = GDK_GRAB_SUCCESS;
}
else
return_val = GDK_GRAB_ALREADY_GRABBED;
if (return_val == GDK_GRAB_SUCCESS)
k_grab_window = window;
return return_val;
}
void
gdk_display_keyboard_ungrab (GdkDisplay *display,
guint32 time)
{
g_return_if_fail (display == gdk_display_get_default ());
GDK_NOTE (EVENTS, g_print ("gdk_keyboard_ungrab\n"));
k_grab_window = NULL;
}
gboolean
gdk_keyboard_grab_info_libgtk_only (GdkDisplay *display,
GdkWindow **grab_window,
gboolean *owner_events)
{
g_return_val_if_fail (display == gdk_display_get_default (), FALSE);
if (k_grab_window)
{
if (grab_window)
*grab_window = k_grab_window;
if (owner_events)
*owner_events = k_grab_owner_events;
return TRUE;
}
else
return FALSE;
}
static GdkFilterReturn
gdk_event_apply_filters (MSG *msg,
GdkEvent *event,
GList *filters)
{
GdkEventFilter *filter;
GList *tmp_list;
GdkFilterReturn result;
tmp_list = filters;
while (tmp_list)
{
filter = (GdkEventFilter *) tmp_list->data;
result = (*filter->function) (msg, event, filter->data);
if (result != GDK_FILTER_CONTINUE)
return result;
tmp_list = tmp_list->next;
}
return GDK_FILTER_CONTINUE;
}
void
gdk_display_add_client_message_filter (GdkDisplay *display,
GdkAtom message_type,
GdkFilterFunc func,
gpointer data)
{
/* XXX */
gdk_add_client_message_filter (message_type, func, data);
}
void
gdk_add_client_message_filter (GdkAtom message_type,
GdkFilterFunc func,
gpointer data)
{
GdkClientFilter *filter = g_new (GdkClientFilter, 1);
filter->type = message_type;
filter->function = func;
filter->data = data;
client_filters = g_list_prepend (client_filters, filter);
}
static void
build_key_event_state (GdkEvent *event)
{
if (GetKeyState (VK_SHIFT) < 0)
event->key.state |= GDK_SHIFT_MASK;
if (GetKeyState (VK_CAPITAL) & 0x1)
event->key.state |= GDK_LOCK_MASK;
if (!is_altgr_key)
{
if (GetKeyState (VK_CONTROL) < 0)
event->key.state |= GDK_CONTROL_MASK;
if (GetKeyState (VK_MENU) < 0)
event->key.state |= GDK_MOD1_MASK;
}
else
{
event->key.state |= GDK_MOD2_MASK;
event->key.group = 1;
}
}
static gint
build_pointer_event_state (MSG *msg)
{
gint state;
state = 0;
if (msg->wParam & MK_CONTROL)
state |= GDK_CONTROL_MASK;
if (msg->wParam & MK_LBUTTON)
state |= GDK_BUTTON1_MASK;
if (msg->wParam & MK_MBUTTON)
state |= GDK_BUTTON2_MASK;
if (msg->wParam & MK_RBUTTON)
state |= GDK_BUTTON3_MASK;
if (msg->wParam & MK_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 guint
vk_from_char (guint c)
{
HKL locale = _gdk_input_locale;
/* For some control characters (control-C, control-J and control-M),
* VkKeyScanEx returns special keycodes (different from the
* corresponding uncontrolified character). Thus, for control
* characters, uncontrolify it first and return the virtual-key code
* it would have on a Latin-based keyboard, otherwise stuff breaks.
*/
if (latin_locale != NULL && c >= '\000' && c <= '\032')
{
c += '@';
locale = latin_locale;
}
return (VkKeyScanEx (c, locale) & 0xFF);
}
static void
build_keypress_event (GdkEvent *event,
MSG *msg)
{
HIMC himc;
gint i, bytecount, ucount;
guchar buf[100];
wchar_t wbuf[100];
event->key.type = GDK_KEY_PRESS;
event->key.time = _gdk_win32_get_next_tick (msg->time);
event->key.state = 0;
event->key.group = 0; /* ??? */
event->key.keyval = GDK_VoidSymbol;
build_key_event_state (event);
if (msg->message == WM_IME_COMPOSITION)
{
himc = ImmGetContext (msg->hwnd);
bytecount = ImmGetCompositionStringW (himc, GCS_RESULTSTR,
wbuf, sizeof (wbuf));
ImmReleaseContext (msg->hwnd, himc);
ucount = bytecount / 2;
event->key.hardware_keycode = wbuf[0]; /* ??? */
}
else
{
if (msg->message == WM_CHAR || msg->message == WM_SYSCHAR)
{
bytecount = MIN ((msg->lParam & 0xFFFF), sizeof (buf));
for (i = 0; i < bytecount; i++)
buf[i] = msg->wParam;
event->key.hardware_keycode = vk_from_char (msg->wParam);
if (msg->wParam < ' ')
{
/* For ASCII control chars, the keyval should be the
* corresponding ASCII character.
*/
if ((event->key.state & GDK_SHIFT_MASK) == 0)
event->key.keyval = msg->wParam + '`';
else
event->key.keyval = msg->wParam + '@';
/* This is needed in case of Alt+nnn or Alt+0nnn (on the numpad)
* where nnn<32
*/
event->key.state |= GDK_CONTROL_MASK;
}
}
else /* WM_IME_CHAR */
{
event->key.hardware_keycode = 0; /* ??? */
if (msg->wParam & 0xFF00)
{
/* Contrary to some versions of the documentation,
* the lead byte is the most significant byte.
*/
buf[0] = ((msg->wParam >> 8) & 0xFF);
buf[1] = (msg->wParam & 0xFF);
bytecount = 2;
}
else
{
buf[0] = (msg->wParam & 0xFF);
bytecount = 1;
}
}
/* Convert from the thread's current code page
* to Unicode. (Followed by conversion to UTF-8 below.)
*/
ucount = MultiByteToWideChar (_gdk_input_codepage,
0, buf, bytecount,
wbuf, G_N_ELEMENTS (wbuf));
}
/* Build UTF-8 string */
if (ucount > 0)
{
if (ucount == 1 && wbuf[0] < 0200)
{
event->key.string = g_malloc (2);
event->key.string[0] = wbuf[0];
event->key.string[1] = '\0';
event->key.length = 1;
}
else
{
event->key.string = _gdk_ucs2_to_utf8 (wbuf, ucount);
event->key.length = strlen (event->key.string);
}
if (event->key.keyval == GDK_VoidSymbol)
event->key.keyval = gdk_unicode_to_keyval (wbuf[0]);
}
}
static void
build_keyrelease_event (GdkEvent *event,
MSG *msg)
{
guchar buf;
wchar_t wbuf;
event->key.type = GDK_KEY_RELEASE;
event->key.time = _gdk_win32_get_next_tick (msg->time);
event->key.state = 0;
event->key.group = 0; /* ??? */
build_key_event_state (event);
if (msg->message == WM_CHAR || msg->message == WM_SYSCHAR)
{
event->key.hardware_keycode = vk_from_char (msg->wParam);
if (msg->wParam < ' ')
{
if ((event->key.state & GDK_SHIFT_MASK) == 0)
event->key.keyval = msg->wParam + '`';
else
event->key.keyval = msg->wParam + '@';
event->key.state |= GDK_CONTROL_MASK;
}
else
{
buf = msg->wParam;
MultiByteToWideChar (_gdk_input_codepage,
0, &buf, 1, &wbuf, 1);
event->key.keyval = gdk_unicode_to_keyval (wbuf);
}
}
else
{
event->key.keyval = GDK_VoidSymbol;
event->key.hardware_keycode = 0; /* ??? */
}
event->key.string = NULL;
event->key.length = 0;
}
#ifdef G_ENABLE_DEBUG
static void
print_event_state (gint 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;
switch (event->any.type)
{
#define CASE(x) case x: g_print ( #x " "); break;
CASE (GDK_NOTHING);
CASE (GDK_DELETE);
CASE (GDK_DESTROY);
CASE (GDK_EXPOSE);
CASE (GDK_MOTION_NOTIFY);
CASE (GDK_BUTTON_PRESS);
CASE (GDK_2BUTTON_PRESS);
CASE (GDK_3BUTTON_PRESS);
CASE (GDK_BUTTON_RELEASE);
CASE (GDK_KEY_PRESS);
CASE (GDK_KEY_RELEASE);
CASE (GDK_ENTER_NOTIFY);
CASE (GDK_LEAVE_NOTIFY);
CASE (GDK_FOCUS_CHANGE);
CASE (GDK_CONFIGURE);
CASE (GDK_MAP);
CASE (GDK_UNMAP);
CASE (GDK_PROPERTY_NOTIFY);
CASE (GDK_SELECTION_CLEAR);
CASE (GDK_SELECTION_REQUEST);
CASE (GDK_SELECTION_NOTIFY);
CASE (GDK_PROXIMITY_IN);
CASE (GDK_PROXIMITY_OUT);
CASE (GDK_DRAG_ENTER);
CASE (GDK_DRAG_LEAVE);
CASE (GDK_DRAG_MOTION);
CASE (GDK_DRAG_STATUS);
CASE (GDK_DROP_START);
CASE (GDK_DROP_FINISHED);
CASE (GDK_CLIENT_EVENT);
CASE (GDK_VISIBILITY_NOTIFY);
CASE (GDK_NO_EXPOSE);
CASE (GDK_SCROLL);
CASE (GDK_WINDOW_STATE);
CASE (GDK_SETTING);
#undef CASE
}
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) %s",
event->motion.x, event->motion.y,
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) ",
event->button.button,
event->button.x, event->button.y);
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 %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 ("%s ",
(event->crossing.detail == GDK_NOTIFY_INFERIOR ? "INFERIOR" :
(event->crossing.detail == GDK_NOTIFY_ANCESTOR ? "ANCESTOR" :
(event->crossing.detail == GDK_NOTIFY_NONLINEAR ? "NONLINEAR" :
"???"))));
break;
case GDK_CONFIGURE:
g_print ("x:%d y:%d w:%d h:%d",
event->configure.x, event->configure.y,
event->configure.width, event->configure.height);
break;
case GDK_SCROLL:
g_print ("%s ",
(event->scroll.direction == GDK_SCROLL_UP ? "UP" :
(event->scroll.direction == GDK_SCROLL_DOWN ? "DOWN" :
(event->scroll.direction == GDK_SCROLL_LEFT ? "LEFT" :
(event->scroll.direction == GDK_SCROLL_RIGHT ? "RIGHT" :
"???")))));
print_event_state (event->scroll.state);
break;
case GDK_WINDOW_STATE:
g_print ("%s: %s",
_gdk_win32_window_state_to_string (event->window_state.changed_mask),
_gdk_win32_window_state_to_string (event->window_state.new_window_state));
default:
/* Nothing */
break;
}
g_print ("\n");
}
#endif
static gboolean
gdk_window_is_child (GdkWindow *parent,
GdkWindow *window)
{
if (parent == NULL || window == NULL)
return FALSE;
return (gdk_window_get_parent (window) == parent ||
gdk_window_is_child (parent, gdk_window_get_parent (window)));
}
static void
synthesize_enter_or_leave_event (GdkWindow *window,
MSG *msg,
GdkEventType type,
GdkNotifyType detail,
gint x,
gint y)
{
GdkEvent *event;
event = gdk_event_new (type);
event->crossing.window = window;
event->crossing.send_event = FALSE;
gdk_window_ref (event->crossing.window);
event->crossing.subwindow = NULL;
event->crossing.time = _gdk_win32_get_next_tick (msg->time);
event->crossing.x = x;
event->crossing.y = y;
event->crossing.x_root = msg->pt.x;
event->crossing.y_root = msg->pt.y;
event->crossing.mode = GDK_CROSSING_NORMAL;
event->crossing.detail = detail;
event->crossing.focus = TRUE; /* ??? */
event->crossing.state = 0; /* ??? */
_gdk_event_queue_append (gdk_drawable_get_display (window), event);
if (type == GDK_ENTER_NOTIFY
&& GDK_WINDOW_OBJECT (window)->extension_events != 0)
_gdk_input_enter_event (&event->crossing, window);
GDK_NOTE (EVENTS, print_event (event));
}
static void
synthesize_leave_event (GdkWindow *window,
MSG *msg,
GdkNotifyType detail)
{
POINT pt;
if (!(GDK_WINDOW_OBJECT (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, detail, pt.x, pt.y);
}
else
synthesize_enter_or_leave_event (window, msg, GDK_LEAVE_NOTIFY, detail, current_x, current_y);
}
static void
synthesize_enter_event (GdkWindow *window,
MSG *msg,
GdkNotifyType detail)
{
POINT pt;
if (!(GDK_WINDOW_OBJECT (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, detail, pt.x, pt.y);
}
static void
synthesize_enter_events (GdkWindow *from,
GdkWindow *to,
MSG *msg,
GdkNotifyType detail)
{
GdkWindow *prev = gdk_window_get_parent (to);
if (prev != from)
synthesize_enter_events (from, prev, msg, detail);
synthesize_enter_event (to, msg, detail);
}
static void
synthesize_leave_events (GdkWindow *from,
GdkWindow *to,
MSG *msg,
GdkNotifyType detail)
{
GdkWindow *next = gdk_window_get_parent (from);
synthesize_leave_event (from, msg, detail);
if (next != to)
synthesize_leave_events (next, to, msg, detail);
}
static void
synthesize_crossing_events (GdkWindow *window,
MSG *msg)
{
GdkWindow *intermediate, *tem, *common_ancestor;
if (gdk_window_is_child (current_window, window))
{
/* Pointer has moved to an inferior window. */
synthesize_leave_event (current_window, msg, 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, GDK_NOTIFY_VIRTUAL);
}
synthesize_enter_event (window, msg, GDK_NOTIFY_ANCESTOR);
}
else if (gdk_window_is_child (window, current_window))
{
/* Pointer has moved to an ancestor window. */
synthesize_leave_event (current_window, msg, 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, GDK_NOTIFY_VIRTUAL);
}
}
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_child (common_ancestor, window));
if (common_ancestor)
{
synthesize_leave_event (current_window, msg, GDK_NOTIFY_NONLINEAR);
intermediate = gdk_window_get_parent (current_window);
if (intermediate != common_ancestor)
{
synthesize_leave_events (intermediate, common_ancestor,
msg, GDK_NOTIFY_NONLINEAR_VIRTUAL);
}
intermediate = gdk_window_get_parent (window);
if (intermediate != common_ancestor)
{
synthesize_enter_events (common_ancestor, intermediate,
msg, GDK_NOTIFY_NONLINEAR_VIRTUAL);
}
synthesize_enter_event (window, msg, GDK_NOTIFY_NONLINEAR);
}
}
else
{
/* Dunno where we are coming from */
synthesize_enter_event (window, msg, GDK_NOTIFY_UNKNOWN);
}
if (current_window)
gdk_window_unref (current_window);
current_window = window;
if (current_window)
gdk_window_ref (current_window);
}
#if 0
static GList *
get_descendants (GdkWindow *window)
{
GList *list = gdk_window_get_children (window);
GList *head = list;
GList *tmp = NULL;
while (list)
{
tmp = g_list_concat (tmp, get_descendants ((GdkWindow *) list->data));
list = list->next;
}
return g_list_concat (tmp, head);
}
#endif
static void
synthesize_expose_events (GdkWindow *window)
{
RECT r;
HDC hdc;
GdkDrawableImplWin32 *impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_WINDOW_OBJECT (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;
gdk_window_ref (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;
_gdk_event_queue_append (gdk_drawable_get_display (window), event);
GDK_NOTE (EVENTS_OR_COLORMAP, print_event (event));
}
if (!ReleaseDC (impl->handle, hdc))
WIN32_GDI_FAILED ("ReleaseDC");
}
}
static void
update_colors (GdkWindow *window,
gboolean top)
{
HDC hdc;
GdkDrawableImplWin32 *impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl);
GList *list = gdk_window_get_children (window);
GList *head = list;
GDK_NOTE (COLORMAP, (top ? g_print ("update_colors:") : (void) 0));
while (list)
{
update_colors ((GdkWindow *) list->data, FALSE);
list = list->next;
}
g_list_free (head);
if (((GdkWindowObject *) window)->input_only ||
impl->colormap == NULL)
return;
if (!(hdc = GetDC (impl->handle)))
WIN32_GDI_FAILED ("GetDC");
else
{
GdkColormapPrivateWin32 *cmapp = GDK_WIN32_COLORMAP_DATA (impl->colormap);
HPALETTE holdpal;
gint k;
if ((holdpal = SelectPalette (hdc, cmapp->hpal, TRUE)) == NULL)
WIN32_GDI_FAILED ("SelectPalette");
else if ((k = RealizePalette (hdc)) == GDI_ERROR)
WIN32_GDI_FAILED ("RealizePalette");
else
{
GDK_NOTE (COLORMAP,
(k > 0 ?
g_print (" %p pal=%p: realized %d colors\n"
"update_colors:",
impl->handle, cmapp->hpal, k) :
(void) 0,
g_print (" %p", impl->handle)));
if (!UpdateColors (hdc))
WIN32_GDI_FAILED ("UpdateColors");
SelectPalette (hdc, holdpal, TRUE);
RealizePalette (hdc);
}
if (!ReleaseDC (impl->handle, hdc))
WIN32_GDI_FAILED ("ReleaseDC");
}
GDK_NOTE (COLORMAP, (top ? g_print ("\n") : (void) 0));
}
static void
translate_mouse_coords (GdkWindow *window1,
GdkWindow *window2,
MSG *msg)
{
POINT pt;
pt.x = GET_X_LPARAM (msg->lParam);
pt.y = GET_Y_LPARAM (msg->lParam);
ClientToScreen (GDK_WINDOW_HWND (window1), &pt);
ScreenToClient (GDK_WINDOW_HWND (window2), &pt);
msg->lParam = MAKELPARAM (pt.x, pt.y);
GDK_NOTE (EVENTS, g_print ("...new coords are (%ld,%ld)\n", pt.x, pt.y));
}
static gboolean
propagate (GdkWindow **window,
MSG *msg,
GdkWindow *grab_window,
gboolean grab_owner_events,
gint grab_mask,
gboolean (*doesnt_want_it) (gint mask,
MSG *msg))
{
gboolean in_propagation = FALSE;
if (grab_window != NULL && !grab_owner_events)
{
/* Event source is grabbed with owner_events FALSE */
GDK_NOTE (EVENTS, g_print ("...grabbed, owner_events FALSE, "));
if ((*doesnt_want_it) (grab_mask, msg))
{
GDK_NOTE (EVENTS, g_print ("...grabber doesn't want it\n"));
return FALSE;
}
else
{
GDK_NOTE (EVENTS, g_print ("...sending to grabber %p\n",
GDK_WINDOW_HWND (grab_window)));
gdk_drawable_unref (*window);
*window = grab_window;
gdk_drawable_ref (*window);
return TRUE;
}
}
while (TRUE)
{
if ((*doesnt_want_it) (GDK_WINDOW_OBJECT (*window)->event_mask, msg))
{
/* Owner doesn't want it, propagate to parent. */
if (GDK_WINDOW (GDK_WINDOW_OBJECT (*window)->parent) == _gdk_parent_root)
{
/* No parent; check if grabbed */
if (grab_window != NULL)
{
/* Event source is grabbed with owner_events TRUE */
GDK_NOTE (EVENTS, g_print ("...undelivered, but grabbed\n"));
if ((*doesnt_want_it) (grab_mask, msg))
{
/* Grabber doesn't want it either */
GDK_NOTE (EVENTS, g_print ("...grabber doesn't want it\n"));
return FALSE;
}
else
{
/* Grabbed! */
GDK_NOTE (EVENTS,
g_print ("...sending to grabber %p\n",
GDK_WINDOW_HWND (grab_window)));
gdk_drawable_unref (*window);
*window = grab_window;
gdk_drawable_ref (*window);
return TRUE;
}
}
else
{
GDK_NOTE (EVENTS, g_print ("...undelivered\n"));
return FALSE;
}
}
else if (GDK_WINDOW_OBJECT (*window)->parent == NULL)
{
GDK_NOTE (EVENTS, g_print ("...parent NULL (?), undelivered\n"));
return FALSE;
}
else
{
gdk_drawable_unref (*window);
*window = GDK_WINDOW (GDK_WINDOW_OBJECT (*window)->parent);
gdk_drawable_ref (*window);
GDK_NOTE (EVENTS, g_print ("%s %p",
(in_propagation ? "," : " ...propagating to"),
GDK_WINDOW_HWND (*window)));
/* The only branch where we actually continue the loop */
in_propagation = TRUE;
}
}
else
return TRUE;
}
}
static gboolean
doesnt_want_key (gint mask,
MSG *msg)
{
return (((msg->message == WM_KEYUP || msg->message == WM_SYSKEYUP)
&& !(mask & GDK_KEY_RELEASE_MASK))
||
((msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
&& !(mask & GDK_KEY_PRESS_MASK)));
}
static gboolean
doesnt_want_char (gint mask,
MSG *msg)
{
return !(mask & (GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK));
}
static gboolean
doesnt_want_button_press (gint mask,
MSG *msg)
{
return !(mask & GDK_BUTTON_PRESS_MASK);
}
static gboolean
doesnt_want_button_release (gint mask,
MSG *msg)
{
return !(mask & GDK_BUTTON_RELEASE_MASK);
}
static gboolean
doesnt_want_button_motion (gint mask,
MSG *msg)
{
return !((mask & GDK_POINTER_MOTION_MASK)
|| ((msg->wParam & (MK_LBUTTON|MK_MBUTTON|MK_RBUTTON))
&& (mask & GDK_BUTTON_MOTION_MASK))
|| ((msg->wParam & MK_LBUTTON)
&& (mask & GDK_BUTTON1_MOTION_MASK))
|| ((msg->wParam & MK_MBUTTON)
&& (mask & GDK_BUTTON2_MOTION_MASK))
|| ((msg->wParam & MK_RBUTTON)
&& (mask & GDK_BUTTON3_MOTION_MASK)));
}
static gboolean
doesnt_want_scroll (gint mask,
MSG *msg)
{
#if 0
return !(mask & GDK_SCROLL_MASK);
#else
return !(mask & GDK_BUTTON_PRESS_MASK);
#endif
}
static 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;
}
static void
erase_background (GdkWindow *window,
HDC hdc)
{
HDC bgdc = NULL;
HBRUSH hbr = NULL;
HPALETTE holdpal = NULL;
RECT rect;
COLORREF bg;
GdkColormap *colormap;
GdkColormapPrivateWin32 *colormap_private;
int x, y;
int x_offset, y_offset;
if (((GdkWindowObject *) window)->input_only ||
((GdkWindowObject *) window)->bg_pixmap == GDK_NO_BG ||
GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl)->position_info.no_bg)
{
GDK_NOTE (EVENTS, g_print (((GdkWindowObject *) window)->input_only ? "...input_only\n" :
((GdkWindowObject *) window)->bg_pixmap == GDK_NO_BG ? "GDK_NO_BG" :
GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl)->position_info.no_bg ? "no_bg\n" : "???\n"));
return;
}
colormap = gdk_drawable_get_colormap (window);
if (colormap &&
(colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR ||
colormap->visual->type == GDK_VISUAL_STATIC_COLOR))
{
int k;
colormap_private = GDK_WIN32_COLORMAP_DATA (colormap);
if (!(holdpal = SelectPalette (hdc, colormap_private->hpal, FALSE)))
WIN32_GDI_FAILED ("SelectPalette");
else if ((k = RealizePalette (hdc)) == GDI_ERROR)
WIN32_GDI_FAILED ("RealizePalette");
else if (k > 0)
GDK_NOTE (COLORMAP, g_print ("erase_background: realized %p: %d colors\n",
colormap_private->hpal, k));
}
x_offset = y_offset = 0;
while (window && ((GdkWindowObject *) window)->bg_pixmap == GDK_PARENT_RELATIVE_BG)
{
/* If this window should have the same background as the parent,
* fetch the parent. (And if the same goes for the parent, fetch
* the grandparent, etc.)
*/
x_offset += ((GdkWindowObject *) window)->x;
y_offset += ((GdkWindowObject *) window)->y;
window = GDK_WINDOW (((GdkWindowObject *) window)->parent);
}
if (GDK_WINDOW_IMPL_WIN32 (((GdkWindowObject *) window)->impl)->position_info.no_bg)
{
GDK_NOTE (EVENTS, g_print ("no_bg on ancestor (?)\n"));
/* Improves scolling effect, e.g. main buttons of testgtk */
return;
}
GetClipBox (hdc, &rect);
GDK_NOTE (EVENTS, (hbr = GetStockObject (BLACK_BRUSH),
FillRect (hdc, &rect, hbr),
GdiFlush (),
Sleep (200)));
if (((GdkWindowObject *) window)->bg_pixmap == NULL)
{
bg = _gdk_win32_colormap_color (GDK_DRAWABLE_IMPL_WIN32 (((GdkWindowObject *) window)->impl)->colormap,
((GdkWindowObject *) window)->bg_color.pixel);
GDK_NOTE (EVENTS, g_print ("...%s bg %06lx\n",
_gdk_win32_rect_to_string (&rect),
(gulong) bg));
if (!(hbr = CreateSolidBrush (bg)))
WIN32_GDI_FAILED ("CreateSolidBrush");
else if (!FillRect (hdc, &rect, hbr))
WIN32_GDI_FAILED ("FillRect");
if (hbr != NULL)
DeleteObject (hbr);
}
else if (((GdkWindowObject *) window)->bg_pixmap != GDK_NO_BG)
{
GdkPixmap *pixmap = ((GdkWindowObject *) window)->bg_pixmap;
GdkPixmapImplWin32 *pixmap_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
if (x_offset == 0 && y_offset == 0 &&
pixmap_impl->width <= 8 && pixmap_impl->height <= 8)
{
GDK_NOTE (EVENTS, g_print ("...small pixmap, using brush\n"));
if (!(hbr = CreatePatternBrush (GDK_PIXMAP_HBITMAP (pixmap))))
WIN32_GDI_FAILED ("CreatePatternBrush");
else if (!FillRect (hdc, &rect, hbr))
WIN32_GDI_FAILED ("FillRect");
if (hbr != NULL)
DeleteObject (hbr);
}
else
{
HGDIOBJ oldbitmap;
GDK_NOTE (EVENTS,
g_print ("...blitting pixmap %p (%dx%d) "
" clip box = %s\n",
GDK_PIXMAP_HBITMAP (pixmap),
pixmap_impl->width, pixmap_impl->height,
_gdk_win32_rect_to_string (&rect)));
if (!(bgdc = CreateCompatibleDC (hdc)))
{
WIN32_GDI_FAILED ("CreateCompatibleDC");
return;
}
if (!(oldbitmap = SelectObject (bgdc, GDK_PIXMAP_HBITMAP (pixmap))))
{
WIN32_GDI_FAILED ("SelectObject");
DeleteDC (bgdc);
return;
}
x = -x_offset;
while (x < rect.right)
{
if (x + pixmap_impl->width >= rect.left)
{
y = -y_offset;
while (y < rect.bottom)
{
if (y + pixmap_impl->height >= rect.top)
{
if (!BitBlt (hdc, x, y,
pixmap_impl->width, pixmap_impl->height,
bgdc, 0, 0, SRCCOPY))
{
WIN32_GDI_FAILED ("BitBlt");
SelectObject (bgdc, oldbitmap);
DeleteDC (bgdc);
return;
}
}
y += pixmap_impl->height;
}
}
x += pixmap_impl->width;
}
SelectObject (bgdc, oldbitmap);
DeleteDC (bgdc);
}
}
}
static GdkRegion *
_gdk_win32_hrgn_to_region (HRGN hrgn)
{
RGNDATA *rgndata;
RECT *rects;
GdkRegion *result;
gint nbytes;
gint 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 gboolean
gdk_event_translate (GdkDisplay *display,
GdkEvent *event,
MSG *msg,
gboolean *ret_val_flagp,
gint *ret_valp,
gboolean return_exposes)
{
DWORD pidActWin;
DWORD pidThis;
PAINTSTRUCT paintstruct;
HDC hdc;
RECT rect;
POINT pt;
MINMAXINFO *mmi;
HWND hwnd;
HCURSOR hcursor;
HRGN hrgn;
CHARSETINFO charset_info;
/* Invariant:
* private == GDK_WINDOW_OBJECT (window)
*/
GdkWindow *window;
GdkWindowObject *private;
#define ASSIGN_WINDOW(rhs) \
(window = rhs, \
private = (GdkWindowObject *) window)
GdkWindowImplWin32 *impl;
GdkWindow *orig_window, *new_window;
gint xoffset, yoffset;
static gint update_colors_counter = 0;
gint button;
gchar buf[256];
gboolean return_val = FALSE;
if (ret_val_flagp)
*ret_val_flagp = FALSE;
/* init these, since the done: block uses them */
ASSIGN_WINDOW (NULL);
event->any.window = NULL;
if (_gdk_default_filters)
{
/* Apply global filters */
GdkFilterReturn result;
result = gdk_event_apply_filters (msg, event, _gdk_default_filters);
if (result != GDK_FILTER_CONTINUE)
{
return_val = (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE;
goto done;
}
}
ASSIGN_WINDOW (gdk_win32_handle_table_lookup ((GdkNativeWindow) msg->hwnd));
orig_window = window;
event->any.window = window;
/* InSendMessage() does not really mean the same as X11's send_event flag,
* but it is close enough, says jpe@archaeopteryx.com.
*/
event->any.send_event = InSendMessage ();
if (window == NULL)
{
/* Handle WM_QUIT here ? */
if (msg->message == WM_QUIT)
{
GDK_NOTE (EVENTS, g_print ("WM_QUIT: %d\n", msg->wParam));
exit (msg->wParam);
}
else if (msg->message == WM_MOVE
|| msg->message == WM_SIZE)
{
/* It's quite normal to get these messages before we have
* had time to register the window in our lookup table, or
* when the window is being destroyed and we already have
* removed it. Repost the same message to our queue so that
* we will get it later when we are prepared.
*/
GDK_NOTE (MISC, g_print ("gdk_event_translate: %p %s posted.\n",
msg->hwnd,
msg->message == WM_MOVE ?
"WM_MOVE" : "WM_SIZE"));
PostMessage (msg->hwnd, msg->message,
msg->wParam, msg->lParam);
}
#ifndef WITHOUT_WM_CREATE
else if (WM_CREATE == msg->message)
{
window = (UNALIGNED GdkWindow*) (((LPCREATESTRUCT) msg->lParam)->lpCreateParams);
GDK_WINDOW_HWND (window) = msg->hwnd;
GDK_NOTE (EVENTS, g_print ("gdk_event_translate: created %p\n",
msg->hwnd));
# if 0
/* This should handle allmost all the other window==NULL cases.
* This code is executed while gdk_window_new is in it's
* CreateWindowEx call.
* Don't insert xid there a second time, if it's done here.
*/
gdk_drawable_ref (window);
gdk_win32_handle_table_insert (&GDK_WINDOW_HWND (window), window);
# endif
}
else
{
GDK_NOTE (EVENTS, g_print ("gdk_event_translate: %s for %p (NULL)\n",
_gdk_win32_message_to_string (msg->message),
msg->hwnd));
}
#endif
return FALSE;
}
gdk_drawable_ref (window);
if (!GDK_WINDOW_DESTROYED (window))
{
/* Check for filters for this window */
GdkFilterReturn result;
result = gdk_event_apply_filters
(msg, event, GDK_WINDOW_OBJECT (window)->filters);
if (result != GDK_FILTER_CONTINUE)
{
return_val = (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE;
if (ret_val_flagp)
*ret_val_flagp = TRUE;
if (ret_valp)
*ret_valp = return_val;
goto done;
}
}
if (msg->message == msh_mousewheel_msg)
{
GDK_NOTE (EVENTS, g_print ("MSH_MOUSEWHEEL: %p %d\n",
msg->hwnd, msg->wParam));
event->scroll.type = GDK_SCROLL;
/* MSG_MOUSEWHEEL is delivered to the foreground window. Work
* around that. Also, the position is in screen coordinates, not
* client coordinates as with the button messages.
*/
pt.x = GET_X_LPARAM (msg->lParam);
pt.y = GET_Y_LPARAM (msg->lParam);
if ((hwnd = WindowFromPoint (pt)) == NULL)
goto done;
msg->hwnd = hwnd;
if ((new_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) msg->hwnd)) == NULL)
goto done;
if (new_window != window)
{
gdk_drawable_unref (window);
ASSIGN_WINDOW (new_window);
gdk_drawable_ref (window);
}
if (GDK_WINDOW_OBJECT (window)->extension_events != 0
&& _gdk_input_ignore_core)
{
GDK_NOTE (EVENTS, g_print ("...ignored\n"));
goto done;
}
if (!propagate (&window, msg,
p_grab_window, p_grab_owner_events, p_grab_mask,
doesnt_want_scroll))
goto done;
ASSIGN_WINDOW (window);
ScreenToClient (msg->hwnd, &pt);
event->button.window = window;
event->scroll.direction = ((int) msg->wParam > 0) ?
GDK_SCROLL_UP : GDK_SCROLL_DOWN;
event->scroll.window = window;
event->scroll.time = _gdk_win32_get_next_tick (msg->time);
_gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
event->scroll.x = (gint16) pt.x + xoffset;
event->scroll.y = (gint16) pt.y + yoffset;
event->scroll.x_root = (gint16) GET_X_LPARAM (msg->lParam);
event->scroll.y_root = (gint16) GET_Y_LPARAM (msg->lParam);
event->scroll.state = 0; /* No state information with MSH_MOUSEWHEEL */
event->scroll.device = display->core_pointer;
return_val = !GDK_WINDOW_DESTROYED (window);
goto done;
}
else
{
GList *tmp_list;
GdkFilterReturn result = GDK_FILTER_CONTINUE;
tmp_list = client_filters;
while (tmp_list)
{
GdkClientFilter *filter = tmp_list->data;
/* FIXME: under win32 messages are not really atoms
* as the following cast suggest, but the appears to be right
* Haven't found a use case though ...
*/
if (filter->type == GDK_POINTER_TO_ATOM (msg->message))
{
GDK_NOTE (EVENTS, g_print ("client filter matched\n"));
event->any.window = window;
result = (*filter->function) (msg, event, filter->data);
switch (result)
{
case GDK_FILTER_REMOVE:
*ret_val_flagp = TRUE;
*ret_valp = 0;
return_val = FALSE;
break;
case GDK_FILTER_TRANSLATE:
return_val = TRUE;
break;
case GDK_FILTER_CONTINUE:
*ret_val_flagp = TRUE;
*ret_valp = 1;
return_val = TRUE;
event->client.type = GDK_CLIENT_EVENT;
event->client.window = window;
/* FIXME: check if the cast is correct, see above */
event->client.message_type = GDK_POINTER_TO_ATOM (msg->message);
event->client.data_format = 0;
event->client.data.l[0] = msg->wParam;
event->client.data.l[1] = msg->lParam;
break;
}
goto done;
}
tmp_list = tmp_list->next;
}
}
switch (msg->message)
{
case WM_INPUTLANGCHANGE:
_gdk_input_locale = (HKL) msg->lParam;
TranslateCharsetInfo ((DWORD FAR *) msg->wParam,
&charset_info,
TCI_SRCCHARSET);
_gdk_input_codepage = charset_info.ciACP;
_gdk_keymap_serial++;
GDK_NOTE (EVENTS,
g_print ("WM_INPUTLANGCHANGE: %p charset %lu locale %lx cp%d\n",
msg->hwnd, (gulong) msg->wParam, msg->lParam,
_gdk_input_codepage));
break;
case WM_SYSKEYUP:
case WM_SYSKEYDOWN:
GDK_NOTE (EVENTS,
g_print ("WM_SYSKEY%s: %p %s ch:%.02x %s\n",
(msg->message == WM_SYSKEYUP ? "UP" : "DOWN"),
msg->hwnd,
(GetKeyNameText (msg->lParam, buf,
sizeof (buf)) > 0 ?
buf : ""),
msg->wParam,
decode_key_lparam (msg->lParam)));
/* If posted without us having keyboard focus, ignore */
if (msg->wParam != VK_F10 && !(HIWORD (msg->lParam) & KF_ALTDOWN))
break;
/* Let the system handle Alt-Tab, Alt-Enter and Alt-F4 */
if (msg->wParam == VK_TAB
|| msg->wParam == VK_RETURN
|| msg->wParam == VK_F4)
break;
/* Let the system handle Alt-Space, and ignore the WM_SYSCHAR too */
if (msg->wParam == VK_SPACE)
{
ignore_wm_char = TRUE;
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 ("WM_KEY%s: %p %s ch:%.02x %s\n",
(msg->message == WM_KEYUP ? "UP" : "DOWN"),
msg->hwnd,
(GetKeyNameText (msg->lParam, buf,
sizeof (buf)) > 0 ?
buf : ""),
msg->wParam,
decode_key_lparam (msg->lParam)));
keyup_or_down:
ignore_wm_char = TRUE;
event->key.window = window;
switch (msg->wParam)
{
case VK_LBUTTON:
event->key.keyval = GDK_Pointer_Button1; break;
case VK_RBUTTON:
event->key.keyval = GDK_Pointer_Button3; break;
case VK_MBUTTON:
event->key.keyval = GDK_Pointer_Button2; break;
case VK_CANCEL:
event->key.keyval = GDK_Cancel; break;
case VK_BACK:
event->key.keyval = GDK_BackSpace; break;
case VK_TAB:
event->key.keyval = (GetKeyState (VK_SHIFT) < 0 ?
GDK_ISO_Left_Tab : GDK_Tab);
break;
case VK_CLEAR:
event->key.keyval = GDK_Clear; break;
case VK_RETURN:
event->key.keyval = GDK_Return; break;
case VK_SHIFT:
/* Don't let Shift auto-repeat */
if (msg->message == WM_KEYDOWN
&& (HIWORD (msg->lParam) & KF_REPEAT))
ignore_wm_char = FALSE;
else
event->key.keyval = GDK_Shift_L;
break;
case VK_CONTROL:
/* And not Control either */
if (msg->message == WM_KEYDOWN
&& (HIWORD (msg->lParam) & KF_REPEAT))
ignore_wm_char = FALSE;
else if (HIWORD (msg->lParam) & KF_EXTENDED)
event->key.keyval = GDK_Control_R;
else
event->key.keyval = GDK_Control_L;
break;
case VK_MENU:
/* And not Alt */
if (msg->message == WM_KEYDOWN
&& (HIWORD (msg->lParam) & KF_REPEAT))
ignore_wm_char = FALSE;
else if (HIWORD (msg->lParam) & KF_EXTENDED)
{
/* AltGr key comes in as Control+Right Alt */
if (GetKeyState (VK_CONTROL) < 0)
{
ignore_wm_char = FALSE;
is_altgr_key = TRUE;
}
event->key.keyval = GDK_Alt_R;
}
else
{
event->key.keyval = GDK_Alt_L;
/* This needed in case she types Alt+nnn (on the numpad) */
ignore_wm_char = FALSE;
}
break;
case VK_PAUSE:
event->key.keyval = GDK_Pause; break;
case VK_CAPITAL:
event->key.keyval = GDK_Caps_Lock; break;
case VK_ESCAPE:
event->key.keyval = GDK_Escape; break;
case VK_PRIOR:
event->key.keyval = GDK_Prior; break;
case VK_NEXT:
event->key.keyval = GDK_Next; break;
case VK_END:
event->key.keyval = GDK_End; break;
case VK_HOME:
event->key.keyval = GDK_Home; break;
case VK_LEFT:
event->key.keyval = GDK_Left; break;
case VK_UP:
event->key.keyval = GDK_Up; break;
case VK_RIGHT:
event->key.keyval = GDK_Right; break;
case VK_DOWN:
event->key.keyval = GDK_Down; break;
case VK_SELECT:
event->key.keyval = GDK_Select; break;
case VK_PRINT:
event->key.keyval = GDK_Print; break;
case VK_EXECUTE:
event->key.keyval = GDK_Execute; break;
case VK_INSERT:
event->key.keyval = GDK_Insert; break;
case VK_DELETE:
event->key.keyval = GDK_Delete; break;
case VK_HELP:
event->key.keyval = GDK_Help; break;
case VK_NUMPAD0:
case VK_NUMPAD1:
case VK_NUMPAD2:
case VK_NUMPAD3:
case VK_NUMPAD4:
case VK_NUMPAD5:
case VK_NUMPAD6:
case VK_NUMPAD7:
case VK_NUMPAD8:
case VK_NUMPAD9:
/* Apparently applications work better if we just pass numpad digits
* on as real digits? So wait for the WM_CHAR instead.
*/
ignore_wm_char = FALSE;
break;
case VK_MULTIPLY:
event->key.keyval = GDK_KP_Multiply; break;
case VK_ADD:
/* Pass it on as an ASCII plus in WM_CHAR. */
ignore_wm_char = FALSE;
break;
case VK_SEPARATOR:
event->key.keyval = GDK_KP_Separator; break;
case VK_SUBTRACT:
/* Pass it on as an ASCII minus in WM_CHAR. */
ignore_wm_char = FALSE;
break;
case VK_DECIMAL:
/* The keypad decimal key should also be passed on as the decimal
* sign ('.' or ',' depending on the Windows locale settings,
* apparently). So wait for the WM_CHAR here, also.
*/
ignore_wm_char = FALSE;
break;
case VK_DIVIDE:
event->key.keyval = GDK_KP_Divide; break;
case VK_F1:
event->key.keyval = GDK_F1; break;
case VK_F2:
event->key.keyval = GDK_F2; break;
case VK_F3:
event->key.keyval = GDK_F3; break;
case VK_F4:
event->key.keyval = GDK_F4; break;
case VK_F5:
event->key.keyval = GDK_F5; break;
case VK_F6:
event->key.keyval = GDK_F6; break;
case VK_F7:
event->key.keyval = GDK_F7; break;
case VK_F8:
event->key.keyval = GDK_F8; break;
case VK_F9:
event->key.keyval = GDK_F9; break;
case VK_F10:
event->key.keyval = GDK_F10; break;
case VK_F11:
event->key.keyval = GDK_F11; break;
case VK_F12:
event->key.keyval = GDK_F12; break;
case VK_F13:
event->key.keyval = GDK_F13; break;
case VK_F14:
event->key.keyval = GDK_F14; break;
case VK_F15:
event->key.keyval = GDK_F15; break;
case VK_F16:
event->key.keyval = GDK_F16; break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
|| GetKeyState (VK_MENU) < 0))
/* Control- or Alt-digits won't come in as a WM_CHAR,
* but beware of AltGr-digits, which are used for instance
* on Finnish keyboards.
*/
event->key.keyval = GDK_0 + (msg->wParam - '0');
else
ignore_wm_char = FALSE;
break;
case VK_OEM_PLUS: /* On my Win98, the '+' key comes in
* as VK_OEM_PLUS, etc.
*/
case VK_OEM_COMMA:
case VK_OEM_MINUS:
case VK_OEM_PERIOD:
case VK_OEM_2:
case VK_OEM_4:
case VK_OEM_5:
case VK_OEM_6:
if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
|| GetKeyState (VK_MENU) < 0))
/* Control- or Alt-plus won't come in as WM_CHAR,
* but beware of AltGr-plus which is backslash on
* Finnish keyboards
*/
/* All these VK_OEM keycodes happen to be the corresponding ASCII
* char + 0x90
*/
event->key.keyval = msg->wParam - 0x90;
else
ignore_wm_char = FALSE;
break;
case VK_OEM_1:
if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
|| GetKeyState (VK_MENU) < 0))
/* ;: on US keyboard */
event->key.keyval = ';';
else
ignore_wm_char = FALSE;
break;
case VK_OEM_3:
if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
|| GetKeyState (VK_MENU) < 0))
/* `~ on US keyboard */
event->key.keyval = '`';
else
ignore_wm_char = FALSE;
break;
case VK_OEM_7:
if (!is_altgr_key && (GetKeyState (VK_CONTROL) < 0
|| GetKeyState (VK_MENU) < 0))
/* '" on US keyboard */
event->key.keyval = '\'';
else
ignore_wm_char = FALSE;
break;
default:
if (msg->message == WM_SYSKEYDOWN || msg->message == WM_SYSKEYUP)
{
if (msg->wParam >= 'A' && msg->wParam <= 'Z')
{
/* If Alt-unshifted ASCII letter, lowercase */
if (GetKeyState (VK_SHIFT) < 0)
event->key.keyval = msg->wParam;
else
event->key.keyval = msg->wParam + 0x20;
}
else
{
event->key.keyval = msg->wParam;
}
}
else
ignore_wm_char = FALSE;
break;
}
if (!ignore_wm_char)
break;
if (!propagate (&window, msg,
k_grab_window, k_grab_owner_events, GDK_ALL_EVENTS_MASK,
doesnt_want_key))
break;
ASSIGN_WINDOW (window);
is_altgr_key = FALSE;
event->key.type = ((msg->message == WM_KEYDOWN
|| msg->message == WM_SYSKEYDOWN) ?
GDK_KEY_PRESS : GDK_KEY_RELEASE);
event->key.time = _gdk_win32_get_next_tick (msg->time);
event->key.state = 0;
build_key_event_state (event);
/* Reset MOD1_MASK if it is the Alt key itself */
if (msg->wParam == VK_MENU)
event->key.state &= ~GDK_MOD1_MASK;
event->key.hardware_keycode = msg->wParam;
event->key.group = 0;
event->key.string = NULL;
event->key.length = 0;
return_val = !GDK_WINDOW_DESTROYED (window);
break;
case WM_IME_COMPOSITION:
if (!use_ime_composition)
break;
GDK_NOTE (EVENTS, g_print ("WM_IME_COMPOSITION: %p %#lx\n",
msg->hwnd, msg->lParam));
if (msg->lParam & GCS_RESULTSTR)
goto wm_char;
break;
case WM_IME_CHAR:
GDK_NOTE (EVENTS,
g_print ("WM_IME_CHAR: %p bytes: %#.04x\n",
msg->hwnd, msg->wParam));
goto wm_char;
case WM_CHAR:
case WM_SYSCHAR:
GDK_NOTE (EVENTS,
g_print ("WM_%sCHAR: %p %#x %s %s\n",
(msg->message == WM_CHAR ? "" : "SYS"),
msg->hwnd, msg->wParam,
decode_key_lparam (msg->lParam),
(ignore_wm_char ? "ignored" : "")));
if (ignore_wm_char)
{
ignore_wm_char = FALSE;
if (msg->wParam != VK_SPACE && ret_val_flagp)
{
*ret_val_flagp = TRUE;
*ret_valp = FALSE;
}
break;
}
wm_char:
if (!propagate (&window, msg,
k_grab_window, k_grab_owner_events, GDK_ALL_EVENTS_MASK,
doesnt_want_char))
break;
ASSIGN_WINDOW (window);
event->key.window = window;
return_val = !GDK_WINDOW_DESTROYED (window);
if (return_val && (event->key.window == k_grab_window
|| (private->event_mask & GDK_KEY_RELEASE_MASK)))
{
if (window == k_grab_window
|| (private->event_mask & GDK_KEY_PRESS_MASK))
{
/* Append a GDK_KEY_PRESS event to the pushback list
* (from which it will be fetched before the release
* event).
*/
GdkEvent *event2 = gdk_event_new (GDK_KEY_PRESS);
build_keypress_event (event2, msg);
event2->key.window = window;
gdk_drawable_ref (window);
_gdk_event_queue_append (display, event2);
GDK_NOTE (EVENTS, print_event (event2));
}
/* Return the key release event. */
build_keyrelease_event (event, msg);
}
else if (return_val && (private->event_mask & GDK_KEY_PRESS_MASK))
{
/* Return just the key press event. */
build_keypress_event (event, msg);
}
else
return_val = FALSE;
#if 0 /* Don't reset is_AltGr_key here. Othewise we can't type several
* AltGr-accessed chars while keeping the AltGr pressed down
* all the time.
*/
is_AltGr_key = FALSE;
#endif
break;
case WM_LBUTTONDOWN:
button = 1;
goto buttondown0;
case WM_MBUTTONDOWN:
button = 2;
goto buttondown0;
case WM_RBUTTONDOWN:
button = 3;
buttondown0:
GDK_NOTE (EVENTS,
g_print ("WM_%cBUTTONDOWN: %p (%d,%d)\n",
" LMR"[button],
msg->hwnd,
GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam)));
if (GDK_WINDOW_OBJECT (window)->extension_events != 0
&& _gdk_input_ignore_core)
{
GDK_NOTE (EVENTS, g_print ("...ignored\n"));
break;
}
ASSIGN_WINDOW (find_window_for_pointer_event (window, msg));
if (window != current_window)
synthesize_crossing_events (window, msg);
event->button.type = GDK_BUTTON_PRESS;
if (!propagate (&window, msg,
p_grab_window, p_grab_owner_events, p_grab_mask,
doesnt_want_button_press))
break;
ASSIGN_WINDOW (window);
event->button.window = window;
/* Emulate X11's automatic active grab */
if (!p_grab_window)
{
/* No explicit active grab, let's start one automatically */
gint owner_events = (private->event_mask & (GDK_BUTTON_PRESS_MASK|GDK_BUTTON_RELEASE_MASK));
GDK_NOTE (EVENTS, g_print ("...automatic grab started\n"));
gdk_pointer_grab (window,
owner_events,
private->event_mask,
NULL, NULL, 0);
p_grab_automatic = TRUE;
}
event->button.time = _gdk_win32_get_next_tick (msg->time);
if (window != orig_window)
translate_mouse_coords (orig_window, window, msg);
event->button.x = current_x = (gint16) GET_X_LPARAM (msg->lParam);
event->button.y = current_y = (gint16) GET_Y_LPARAM (msg->lParam);
_gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
event->button.x += xoffset;
event->button.y += yoffset;
event->button.x_root = current_x_root = msg->pt.x;
event->button.y_root = current_y_root = msg->pt.y;
event->button.axes = NULL;
event->button.state = build_pointer_event_state (msg);
event->button.button = button;
event->button.device = display->core_pointer;
return_val = !GDK_WINDOW_DESTROYED (window);
break;
case WM_LBUTTONUP:
button = 1;
goto buttonup0;
case WM_MBUTTONUP:
button = 2;
goto buttonup0;
case WM_RBUTTONUP:
button = 3;
buttonup0:
GDK_NOTE (EVENTS,
g_print ("WM_%cBUTTONUP: %p (%d,%d)\n",
" LMR"[button],
msg->hwnd,
GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam)));
ASSIGN_WINDOW (find_window_for_pointer_event (window, msg));
if (GDK_WINDOW_OBJECT (window)->extension_events != 0
&& _gdk_input_ignore_core)
{
GDK_NOTE (EVENTS, g_print ("...ignored\n"));
break;
}
if (window != current_window)
synthesize_crossing_events (window, msg);
event->button.type = GDK_BUTTON_RELEASE;
if (!propagate (&window, msg,
p_grab_window, p_grab_owner_events, p_grab_mask,
doesnt_want_button_release))
{
}
else
{
ASSIGN_WINDOW (window);
event->button.window = window;
event->button.time = _gdk_win32_get_next_tick (msg->time);
if (window != orig_window)
translate_mouse_coords (orig_window, window, msg);
event->button.x = current_x = (gint16) GET_X_LPARAM (msg->lParam);
event->button.y = current_y = (gint16) GET_Y_LPARAM (msg->lParam);
_gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
event->button.x += xoffset;
event->button.y += yoffset;
event->button.x_root = current_x_root = msg->pt.x;
event->button.y_root = current_y_root = msg->pt.y;
event->button.axes = NULL;
event->button.state = build_pointer_event_state (msg);
event->button.button = button;
event->button.device = display->core_pointer;
return_val = !GDK_WINDOW_DESTROYED (window);
}
if (p_grab_window != NULL
&& p_grab_automatic
&& (msg->wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) == 0)
gdk_pointer_ungrab (0);
break;
case WM_MOUSEMOVE:
GDK_NOTE (EVENTS,
g_print ("WM_MOUSEMOVE: %p %#x (%d,%d)\n",
msg->hwnd, msg->wParam,
GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam)));
ASSIGN_WINDOW (find_window_for_pointer_event (window, msg));
/* HB: only process mouse move messages if we own the active window. */
GetWindowThreadProcessId (GetActiveWindow (), &pidActWin);
GetWindowThreadProcessId (msg->hwnd, &pidThis);
if (pidActWin != pidThis)
break;
if (window != current_window)
synthesize_crossing_events (window, msg);
if (GDK_WINDOW_OBJECT (window)->extension_events != 0
&& _gdk_input_ignore_core)
{
GDK_NOTE (EVENTS, g_print ("...ignored\n"));
break;
}
event->motion.type = GDK_MOTION_NOTIFY;
if (!propagate (&window, msg,
p_grab_window, p_grab_owner_events, p_grab_mask,
doesnt_want_button_motion))
break;
ASSIGN_WINDOW (window);
event->motion.window = window;
event->motion.time = _gdk_win32_get_next_tick (msg->time);
if (window != orig_window)
translate_mouse_coords (orig_window, window, msg);
/* If we haven't moved, don't create any event.
* Windows sends WM_MOUSEMOVE messages after button presses
* even if the mouse doesn't move. This disturbs gtk.
*/
if (window == current_window
&& GET_X_LPARAM (msg->lParam) == current_x
&& GET_Y_LPARAM (msg->lParam) == current_y)
break;
event->motion.x = current_x = (gint16) GET_X_LPARAM (msg->lParam);
event->motion.y = current_y = (gint16) GET_Y_LPARAM (msg->lParam);
_gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
event->motion.x += xoffset;
event->motion.y += yoffset;
event->motion.x_root = current_x_root = msg->pt.x;
event->motion.y_root = current_y_root = msg->pt.y;
event->motion.axes = NULL;
event->motion.state = build_pointer_event_state (msg);
event->motion.is_hint = FALSE;
event->motion.device = display->core_pointer;
return_val = !GDK_WINDOW_DESTROYED (window);
break;
case WM_NCMOUSEMOVE:
GDK_NOTE (EVENTS,
g_print ("WM_NCMOUSEMOVE: %p (%d,%d)\n",
msg->hwnd,
GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam)));
if (current_window != NULL
&& (GDK_WINDOW_OBJECT (current_window)->event_mask & GDK_LEAVE_NOTIFY_MASK))
{
GDK_NOTE (EVENTS, g_print ("...synthesizing LEAVE_NOTIFY event\n"));
event->crossing.type = GDK_LEAVE_NOTIFY;
event->crossing.window = current_window;
event->crossing.subwindow = NULL;
event->crossing.time = _gdk_win32_get_next_tick (msg->time);
_gdk_windowing_window_get_offsets (current_window, &xoffset, &yoffset);
event->crossing.x = current_x + xoffset;
event->crossing.y = current_y + yoffset;
event->crossing.x_root = current_x_root;
event->crossing.y_root = current_y_root;
event->crossing.mode = GDK_CROSSING_NORMAL;
event->crossing.detail = GDK_NOTIFY_NONLINEAR;
event->crossing.focus = TRUE; /* ??? */
event->crossing.state = 0; /* ??? */
return_val = TRUE;
}
if (current_window)
{
gdk_drawable_unref (current_window);
current_window = NULL;
}
break;
case WM_MOUSEWHEEL:
GDK_NOTE (EVENTS, g_print ("WM_MOUSEWHEEL: %p %d\n",
msg->hwnd, HIWORD (msg->wParam)));
event->scroll.type = GDK_SCROLL;
/* 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.
*/
pt.x = GET_X_LPARAM (msg->lParam);
pt.y = GET_Y_LPARAM (msg->lParam);
if ((hwnd = WindowFromPoint (pt)) == NULL)
break;
msg->hwnd = hwnd;
if ((new_window = gdk_win32_handle_table_lookup ((GdkNativeWindow) msg->hwnd)) == NULL)
break;
if (new_window != window)
{
gdk_drawable_unref (window);
ASSIGN_WINDOW (new_window);
gdk_drawable_ref (window);
}
if (GDK_WINDOW_OBJECT (window)->extension_events != 0
&& _gdk_input_ignore_core)
{
GDK_NOTE (EVENTS, g_print ("...ignored\n"));
break;
}
if (!propagate (&window, msg,
p_grab_window, p_grab_owner_events, p_grab_mask,
doesnt_want_scroll))
break;
ASSIGN_WINDOW (window);
ScreenToClient (msg->hwnd, &pt);
event->button.window = window;
event->scroll.direction = (((short) HIWORD (msg->wParam)) > 0) ?
GDK_SCROLL_UP : GDK_SCROLL_DOWN;
event->scroll.window = window;
event->scroll.time = _gdk_win32_get_next_tick (msg->time);
_gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
event->scroll.x = (gint16) pt.x + xoffset;
event->scroll.y = (gint16) pt.y + yoffset;
event->scroll.x_root = (gint16) GET_X_LPARAM (msg->lParam);
event->scroll.y_root = (gint16) GET_Y_LPARAM (msg->lParam);
event->scroll.state = build_pointer_event_state (msg);
event->scroll.device = display->core_pointer;
return_val = !GDK_WINDOW_DESTROYED (window);
break;
case WM_QUERYNEWPALETTE:
GDK_NOTE (EVENTS_OR_COLORMAP, g_print ("WM_QUERYNEWPALETTE: %p\n",
msg->hwnd));
if (gdk_visual_get_system ()->type == GDK_VISUAL_PSEUDO_COLOR)
{
synthesize_expose_events (window);
update_colors_counter = 0;
}
*ret_val_flagp = TRUE;
*ret_valp = FALSE;
break;
case WM_PALETTECHANGED:
GDK_NOTE (EVENTS_OR_COLORMAP, g_print ("WM_PALETTECHANGED: %p %p\n",
msg->hwnd, (HWND) msg->wParam));
*ret_val_flagp = TRUE;
*ret_valp = FALSE;
if (gdk_visual_get_system ()->type != GDK_VISUAL_PSEUDO_COLOR)
break;
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_SETFOCUS:
case WM_KILLFOCUS:
GDK_NOTE (EVENTS, g_print ("WM_%sFOCUS: %p\n",
(msg->message == WM_SETFOCUS ?
"SET" : "KILL"),
msg->hwnd));
if (!(private->event_mask & GDK_FOCUS_CHANGE_MASK))
break;
event->focus_change.type = GDK_FOCUS_CHANGE;
event->focus_change.window = window;
event->focus_change.in = (msg->message == WM_SETFOCUS);
return_val = !GDK_WINDOW_DESTROYED (window);
break;
case WM_ERASEBKGND:
GDK_NOTE (EVENTS, g_print ("WM_ERASEBKGND: %p dc %p\n",
msg->hwnd, (HANDLE) msg->wParam));
if (GDK_WINDOW_DESTROYED (window))
break;
erase_background (window, (HDC) msg->wParam);
*ret_val_flagp = TRUE; /* always claim as handled */
*ret_valp = 1;
break;
case WM_PAINT:
hrgn = CreateRectRgn (0, 0, 0, 0);
if (GetUpdateRgn (msg->hwnd, hrgn, FALSE) == ERROR)
{
WIN32_GDI_FAILED ("GetUpdateRgn");
break;
}
hdc = BeginPaint (msg->hwnd, &paintstruct);
GDK_NOTE (EVENTS, g_print ("WM_PAINT: %p %s %s dc %p%s\n",
msg->hwnd,
_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 (GDK_WINDOW_OBJECT (window)->input_only)
{
DeleteObject (hrgn);
break;
}
if (!(private->event_mask & GDK_EXPOSURE_MASK))
{
GDK_NOTE (EVENTS, g_print ("...ignored\n"));
DeleteObject (hrgn);
break;
}
#if 0 /* we need to process exposes even with GDK_NO_BG
* Otherwise The GIMP canvas update is broken ....
*/
if (GDK_WINDOW_OBJECT (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\n"));
DeleteObject (hrgn);
break;
}
if (return_exposes)
{
event->expose.type = 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;
return_val = !GDK_WINDOW_DESTROYED (window);
if (return_val)
{
GList *list = display->queued_events;
while (list != NULL )
{
GdkEventPrivate *event = list->data;
if (event->event.any.type == GDK_EXPOSE &&
event->event.any.window == window &&
!(event->flags & GDK_EVENT_PENDING))
event->event.expose.count++;
list = list->next;
}
}
}
else
{
GdkRegion *update_region = _gdk_win32_hrgn_to_region (hrgn);
_gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
gdk_region_offset (update_region, xoffset, yoffset);
_gdk_window_process_expose (window, update_region);
gdk_region_destroy (update_region);
return_val = FALSE;
}
DeleteObject (hrgn);
break;
case WM_GETICON:
GDK_NOTE (EVENTS, g_print ("WM_GETICON: %p %s\n",
msg->hwnd,
(ICON_BIG == msg->wParam ? "big" : "small")));
break;
case WM_SETCURSOR:
GDK_NOTE (EVENTS, g_print ("WM_SETCURSOR: %p %#x %#x\n",
msg->hwnd,
LOWORD (msg->lParam), HIWORD (msg->lParam)));
if (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 (private->impl)->hcursor;
else
hcursor = NULL;
if (hcursor != NULL)
{
GDK_NOTE (EVENTS, g_print ("...SetCursor(%p)\n", hcursor));
SetCursor (hcursor);
*ret_val_flagp = TRUE;
*ret_valp = TRUE;
}
break;
case WM_SHOWWINDOW:
GDK_NOTE (EVENTS, g_print ("WM_SHOWWINDOW: %p %d\n",
msg->hwnd, msg->wParam));
if (!(private->event_mask & GDK_STRUCTURE_MASK))
break;
if (msg->lParam == SW_OTHERUNZOOM ||
msg->lParam == SW_OTHERZOOM)
break;
event->any.type = (msg->wParam ? GDK_MAP : GDK_UNMAP);
event->any.window = window;
if (event->any.type == GDK_UNMAP
&& p_grab_window == window)
gdk_pointer_ungrab (msg->time);
if (event->any.type == GDK_UNMAP
&& k_grab_window == window)
gdk_keyboard_ungrab (msg->time);
return_val = !GDK_WINDOW_DESTROYED (window);
break;
case WM_SIZE:
GDK_NOTE (EVENTS,
g_print ("WM_SIZE: %p %s %dx%d\n",
msg->hwnd,
(msg->wParam == SIZE_MAXHIDE ? "MAXHIDE" :
(msg->wParam == SIZE_MAXIMIZED ? "MAXIMIZED" :
(msg->wParam == SIZE_MAXSHOW ? "MAXSHOW" :
(msg->wParam == SIZE_MINIMIZED ? "MINIMIZED" :
(msg->wParam == SIZE_RESTORED ? "RESTORED" : "?"))))),
LOWORD (msg->lParam), HIWORD (msg->lParam)));
if (msg->wParam == SIZE_MINIMIZED)
{
/* Don't generate any GDK event. This is *not* an UNMAP. */
if (p_grab_window == window)
gdk_pointer_ungrab (msg->time);
if (k_grab_window == window)
gdk_keyboard_ungrab (msg->time);
gdk_synthesize_window_state (window,
GDK_WINDOW_STATE_WITHDRAWN,
GDK_WINDOW_STATE_ICONIFIED);
}
else if ((msg->wParam == SIZE_RESTORED
|| msg->wParam == SIZE_MAXIMIZED)
#if 1
&& GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD
#endif
)
{
GdkWindowState withdrawn_bit =
IsWindowVisible (msg->hwnd) ? GDK_WINDOW_STATE_WITHDRAWN : 0;
if (!(private->event_mask & GDK_STRUCTURE_MASK))
break;
event->configure.type = GDK_CONFIGURE;
event->configure.window = window;
pt.x = 0;
pt.y = 0;
ClientToScreen (msg->hwnd, &pt);
event->configure.x = pt.x;
event->configure.y = pt.y;
event->configure.width = LOWORD (msg->lParam);
event->configure.height = HIWORD (msg->lParam);
private->x = event->configure.x;
private->y = event->configure.y;
GDK_WINDOW_IMPL_WIN32 (private->impl)->width = event->configure.width;
GDK_WINDOW_IMPL_WIN32 (private->impl)->height = event->configure.height;
if (msg->wParam == SIZE_RESTORED)
gdk_synthesize_window_state (window,
GDK_WINDOW_STATE_ICONIFIED |
GDK_WINDOW_STATE_MAXIMIZED |
withdrawn_bit,
0);
else if (msg->wParam == SIZE_MAXIMIZED)
gdk_synthesize_window_state (window,
GDK_WINDOW_STATE_ICONIFIED |
withdrawn_bit,
GDK_WINDOW_STATE_MAXIMIZED);
if (private->resize_count > 1)
private->resize_count -= 1;
return_val = !GDK_WINDOW_DESTROYED (window);
if (return_val && private->extension_events != 0)
_gdk_input_configure_event (&event->configure, window);
}
break;
#if 0
case WM_SIZING :
{
LPRECT lpr = (LPRECT) msg->lParam;
NONCLIENTMETRICS ncm;
ncm.cbSize = sizeof (NONCLIENTMETRICS);
SystemParametersInfo (SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0);
g_print ("WM_SIZING borderWidth %d captionHeight %d\n",
ncm.iBorderWidth, ncm.iCaptionHeight);
event->configure.type = GDK_CONFIGURE;
event->configure.window = window;
event->configure.x = lpr->left + ncm.iBorderWidth;
event->configure.y = lpr->top + ncm.iCaptionHeight;
event->configure.width = lpr->right - lpr->left - 2 * ncm.iBorderWidth;
event->configure.height = lpr->bottom - lpr->top - ncm.iCaptionHeight;
private->x = event->configure.x;
private->y = event->configure.y;
GDK_WINDOW_IMPL_WIN32 (private->impl)->width = event->configure.width;
GDK_WINDOW_IMPL_WIN32 (private->impl)->height = event->configure.height;
if (private->resize_count > 1)
private->resize_count -= 1;
return_val = !GDK_WINDOW_DESTROYED (window);
if (return_val && private->extension_events != 0)
_gdk_input_configure_event (&event->configure, window);
}
break;
#endif
case WM_GETMINMAXINFO:
GDK_NOTE (EVENTS, g_print ("WM_GETMINMAXINFO: %p\n", msg->hwnd));
impl = GDK_WINDOW_IMPL_WIN32 (private->impl);
mmi = (MINMAXINFO*) msg->lParam;
if (impl->hint_flags & GDK_HINT_MIN_SIZE)
{
mmi->ptMinTrackSize.x = impl->hint_min_width;
mmi->ptMinTrackSize.y = impl->hint_min_height;
}
if (impl->hint_flags & GDK_HINT_MAX_SIZE)
{
mmi->ptMaxTrackSize.x = impl->hint_max_width;
mmi->ptMaxTrackSize.y = impl->hint_max_height;
/* kind of WM functionality, limit maximized size to screen */
mmi->ptMaxPosition.x = 0;
mmi->ptMaxPosition.y = 0;
mmi->ptMaxSize.x = MIN (impl->hint_max_width, gdk_screen_width ());
mmi->ptMaxSize.y = MIN (impl->hint_max_height, gdk_screen_height ());
}
else if (impl->hint_flags & GDK_HINT_MIN_SIZE)
{
/* need to initialize */
mmi->ptMaxSize.x = gdk_screen_width ();
mmi->ptMaxSize.y = gdk_screen_height ();
}
/* lovely API inconsistence: return FALSE when handled */
if (ret_val_flagp)
*ret_val_flagp = !(impl->hint_flags & (GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE));
break;
case WM_MOVE:
GDK_NOTE (EVENTS, g_print ("WM_MOVE: %p (%d,%d)\n",
msg->hwnd,
GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam)));
if (!(private->event_mask & GDK_STRUCTURE_MASK))
break;
if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD
&& !IsIconic (msg->hwnd)
&& IsWindowVisible (msg->hwnd))
{
event->configure.type = GDK_CONFIGURE;
event->configure.window = window;
event->configure.x = GET_X_LPARAM (msg->lParam);
event->configure.y = GET_Y_LPARAM (msg->lParam);
GetClientRect (msg->hwnd, &rect);
event->configure.width = rect.right;
event->configure.height = rect.bottom;
private->x = event->configure.x;
private->y = event->configure.y;
GDK_WINDOW_IMPL_WIN32 (private->impl)->width = event->configure.width;
GDK_WINDOW_IMPL_WIN32 (private->impl)->height = event->configure.height;
return_val = !GDK_WINDOW_DESTROYED (window);
}
break;
#if 0 /* Not quite right, otherwise it may be faster/better than
* WM_(MOVE|SIZE) remove decoration (frame) sizes ?
*/
case WM_WINDOWPOSCHANGED :
if (!(private->event_mask & GDK_STRUCTURE_MASK))
break;
if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD
&& !IsIconic (msg->hwnd)
&& IsWindowVisible (msg->hwnd))
{
LPWINDOWPOS lpwp = (LPWINDOWPOS) (msg->lParam);
event->configure.type = GDK_CONFIGURE;
event->configure.window = window;
event->configure.x = lpwp->x;
event->configure.y = lpwp->y;
event->configure.width = lpwp->cx;
event->configure.height = lpwp->cy;
private->x = event->configure.x;
private->y = event->configure.y;
GDK_WINDOW_IMPL_WIN32 (private->impl)->width = event->configure.width;
GDK_WINDOW_IMPL_WIN32 (private->impl)->height = event->configure.height;
return_val = !GDK_WINDOW_DESTROYED (window);
GDK_NOTE (EVENTS, g_print ("WM_WINDOWPOSCHANGED: %p %ldx%ld@+%ld+%ld\n",
msg->hwnd,
lpwp->cx, lpwp->cy, lpwp->x, lpwp->y));
if (ret_val_flagp)
*ret_val_flagp = TRUE;
if (ret_valp)
*ret_valp = 0;
}
break;
#endif
case WM_CLOSE:
GDK_NOTE (EVENTS, g_print ("WM_CLOSE: %p\n", msg->hwnd));
event->any.type = GDK_DELETE;
event->any.window = window;
return_val = !GDK_WINDOW_DESTROYED (window);
break;
#if 0
/* No, don't use delayed rendering after all. It works only if the
* delayed SetClipboardData is called from the WindowProc, it
* seems. (The #else part below is test code for that. It succeeds
* in setting the clipboard data. But if I call SetClipboardData
* in gdk_property_change (as a consequence of the
* GDK_SELECTION_REQUEST event), it fails. I deduce that this is
* because delayed rendering requires that SetClipboardData is
* called in the window procedure.)
*/
case WM_RENDERFORMAT:
case WM_RENDERALLFORMATS:
flag = FALSE;
GDK_NOTE (EVENTS, flag = TRUE);
if (flag)
g_print ("WM_%s: %p %#x (%s)\n",
(msg->message == WM_RENDERFORMAT ? "RENDERFORMAT" :
"RENDERALLFORMATS"),
msg->hwnd,
msg->wParam,
(msg->wParam == CF_TEXT ? "CF_TEXT" :
(msg->wParam == CF_DIB ? "CF_DIB" :
(msg->wParam == CF_UNICODETEXT ? "CF_UNICODETEXT" :
(GetClipboardFormatName (msg->wParam, buf, sizeof (buf)), buf)))));
#if 0
event->selection.type = GDK_SELECTION_REQUEST;
event->selection.window = window;
event->selection.selection = gdk_clipboard_atom;
if (msg->wParam == CF_TEXT)
event->selection.target = GDK_TARGET_STRING;
else
{
GetClipboardFormatName (msg->wParam, buf, sizeof (buf));
event->selection.target = gdk_atom_intern (buf, FALSE);
}
event->selection.property = _gdk_selection_property;
event->selection.requestor = (guint32) msg->hwnd;
event->selection.time = _gdk_win32_get_next_tick (msg->time);
return_val = !GDK_WINDOW_DESTROYED (window);
#else
/* Test code, to see if SetClipboardData works when called from
* the window procedure.
*/
{
HGLOBAL hdata = GlobalAlloc (GMEM_MOVEABLE|GMEM_DDESHARE, 10);
char *ptr = GlobalLock (hdata);
strcpy (ptr, "Huhhaa");
GlobalUnlock (hdata);
if (!SetClipboardData (CF_TEXT, hdata))
WIN32_API_FAILED ("SetClipboardData");
}
*ret_valp = 0;
*ret_val_flagp = TRUE;
return_val = FALSE;
#endif
break;
#endif /* No delayed rendering */
case WM_DESTROY:
GDK_NOTE (EVENTS, g_print ("WM_DESTROY: %p\n", msg->hwnd));
event->any.type = GDK_DESTROY;
event->any.window = window;
if (window != NULL && window == current_window)
{
gdk_drawable_unref (current_window);
current_window = NULL;
}
if (p_grab_window == window)
gdk_pointer_ungrab (msg->time);
if (k_grab_window == window)
gdk_keyboard_ungrab (msg->time);
return_val = window != NULL && !GDK_WINDOW_DESTROYED (window);
if ((window != NULL) && (_gdk_root_window != msg->hwnd))
gdk_window_destroy_notify (window);
break;
#ifdef HAVE_WINTAB
/* Handle WINTAB events here, as we know that gdkinput.c will
* use the fixed WT_DEFBASE as lcMsgBase, and we thus can use the
* constants as case labels.
*/
case WT_PACKET:
GDK_NOTE (EVENTS, g_print ("WT_PACKET: %p %d %#lx\n",
msg->hwnd, msg->wParam, msg->lParam));
goto wintab;
case WT_CSRCHANGE:
GDK_NOTE (EVENTS, g_print ("WT_CSRCHANGE: %p %d %#lx\n",
msg->hwnd, msg->wParam, msg->lParam));
goto wintab;
case WT_PROXIMITY:
GDK_NOTE (EVENTS, g_print ("WT_PROXIMITY: %p %#x %d %d\n",
msg->hwnd, msg->wParam,
LOWORD (msg->lParam),
HIWORD (msg->lParam)));
/* Fall through */
wintab:
event->any.window = window;
return_val = _gdk_input_other_event (event, msg, window);
break;
#endif
default:
GDK_NOTE (EVENTS, g_print ("%s: %p %#x %#lx\n",
_gdk_win32_message_to_string (msg->message),
msg->hwnd, msg->wParam, msg->lParam));
}
done:
if (return_val)
{
if (event->any.window)
gdk_drawable_ref (event->any.window);
if (((event->any.type == GDK_ENTER_NOTIFY) ||
(event->any.type == GDK_LEAVE_NOTIFY)) &&
(event->crossing.subwindow != NULL))
gdk_drawable_ref (event->crossing.subwindow);
GDK_NOTE (EVENTS, print_event (event));
}
else
{
/* Mark this event as having no resources to be freed */
event->any.window = NULL;
event->any.type = GDK_NOTHING;
}
if (window)
gdk_drawable_unref (window);
return return_val;
}
void
_gdk_events_queue (GdkDisplay *display)
{
MSG msg;
GdkEvent *event;
GList *node;
while (!_gdk_event_queue_find_first (display)
&& PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
{
#ifndef HAVE_DIMM_H
TranslateMessage (&msg);
#else
if (active_imm_msgpump_owner == NULL
|| (active_imm_msgpump_owner->lpVtbl->OnTranslateMessage) (active_imm_msgpump_owner, &msg) != S_OK)
TranslateMessage (&msg);
#endif
DispatchMessage (&msg);
}
}
static gboolean
gdk_event_prepare (GSource *source,
gint *timeout)
{
MSG msg;
gboolean retval;
GdkDisplay *display = gdk_display_get_default ();
GDK_THREADS_ENTER ();
*timeout = -1;
retval = (_gdk_event_queue_find_first (display) != NULL)
|| PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE);
GDK_THREADS_LEAVE ();
return retval;
}
static gboolean
gdk_event_check (GSource *source)
{
MSG msg;
gboolean retval;
GdkDisplay *display = gdk_display_get_default ();
GDK_THREADS_ENTER ();
if (event_poll_fd.revents & G_IO_IN)
retval = (_gdk_event_queue_find_first (display) != NULL)
|| PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE);
else
retval = FALSE;
GDK_THREADS_LEAVE ();
return retval;
}
static gboolean
gdk_event_dispatch (GSource *source,
GSourceFunc callback,
gpointer user_data)
{
GdkEvent *event;
GdkDisplay *display = gdk_display_get_default ();
GDK_THREADS_ENTER ();
_gdk_events_queue (display);
event = _gdk_event_unqueue (display);
if (event)
{
if (_gdk_event_func)
(*_gdk_event_func) (event, _gdk_event_data);
gdk_event_free (event);
}
GDK_THREADS_LEAVE ();
return TRUE;
}
/* Sends a ClientMessage to all toplevel client windows */
gboolean
gdk_event_send_client_message_for_display (GdkDisplay *display,
GdkEvent *event,
GdkNativeWindow winid)
{
/* XXX */
return FALSE;
}
void
gdk_screen_broadcast_client_message (GdkScreen *screen,
GdkEvent *event)
{
/* XXX */
}
void
gdk_flush (void)
{
#if 0
MSG msg;
/* Process all messages currently available */
while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage (&msg);
DispatchMessage (&msg);
}
#endif
GdiFlush ();
}
void
gdk_display_sync (GdkDisplay * display)
{
MSG msg;
g_return_if_fail (display == gdk_display_get_default ());
/* Process all messages currently available */
while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage (&msg);
DispatchMessage (&msg);
}
}
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