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gtk/gdk/win32/gdkevents-win32.c
Tor Lillqvist 3f4c73d0d5 Bug 559408 - Transparency lost when images are copied between GTK+ and the 
2009-01-29  Tor Lillqvist  <tml@novell.com>

	Bug 559408 - Transparency lost when images are copied between GTK+
	and the clipboard on Windows

	The code in gdkselection-win32.c is simplified quite a lot. When
	an image is stored on the clipboard from GTK+, only the "PNG" and
	CF_DIB formats are advertised. PNG is our preferred format because
	it can losslessly represent any image that gdk-pixbuf can handle,
	even with alpha, unambiguously. CF_DIB is also advertised because
	of its ubiquitous support in Windows software.

	Delayed rendering is used as before, so for other data than text
	nothing is actually stored on the clipboard until some app asks
	for it.

	It's pointless to advertise images formats like "image/png" or
	"image/x-MS-bmp" that no other Windows application is going to
	look for anyway. Likewise it's pointless to store text under
	formats like "text/plain" or "UTF8_STRING". Just store
	CF_UNICODETEXT. CF_TEXT will be available as a synthesized format
	anyways.

	Office 2007 offers and asks for images in PNG format using the
	registered clipboard format name "PNG", so we do likewise. If the
	"PNG" format is available that is preferred when copying to GTK+
	from the clipboard.

	Unfortunately Word 2007 still uses CF_DIB without handling
	alpha. But PowerPoint 2007 uses PNG if available and handles alpha
	correctly. Both Word and Powerpoint offer PNG with alpha nicely.

	Firefox and IE7 offer images that contain alpha as 32-bit version
	3 BI_RGB DIBs with the undocumented "extra" bytes actually being
	alpha. Also, alpha is premultiplied into the RGB bytes, presumably
	because that is how AlphaBlend() wants such DIBs. That is also
	taken care of. At least for Firefox it easy to be sure that a
	CF_DIB on the clipboard is from Firefox.

	Also some general stylistic cleanup, comment improvements, and
	improvements of debugging printout especially in the clipboard
	handling. Those are not detailled below.

	* gdk/win32/gdkprivate-win32.h
	* gdk/win32/gdkglobals-win32.c
	* gdk/win32/gdkgmain-win32.c: Move some globals that were used
	only in gdkselection-win32.c to be local to that file.

	* gdk/win32/gdkproperty-win32.c (gdk_property_change): Don't
	bother checking if text to be placed on the clipboard consists of
	only ASCII.

	* gdk/win32/gdkselection-win32.c: Add static variables for a list
	of GdkPixbuf-supported formats, well-known registered clipboard
	formats for images, and for GdkAtoms for well-known image and text
	formats.

	(_gdk_win32_selection_init): Initialize above static variables.

	(selection_property_store) (gdk_selection_property_get)
	(_gdk_selection_property_delete): Don't use a FIFO of GdkSelProps
	for a window after all, it breaks testtext. See bug #163844.

	(gdk_selection_convert): When converting to the TARGETS format,
	i.e. when the caller wants to know what clipboard formats are
	available, if PNG is available we report just that and skip
	CF_DIB, JPEG and GIF even if advertised.

	If CF_UNICODETEXT is available, report only UTF8_STRING.

	When converting to the UTF8_STRING format, i.e. when the caller
	wants text from the clipboard, try just CF_UNICODETEXT. There is
	no point in trying CF_TEXT as Windows will synthesize
	CF_UNICODETEXT from CF_TEXT anyway, if some app has stored just
	CF_TEXT.

	When converting to the image/bmp format, i.e. when the caller
	wants an CF_DIB image from the clipboard, we check if the DIB is a
	version 3 32-bit BI_RGB one that is likely to actually contain
	alpha in the "extra" bytes. Such a DIB is likely to have
	premultiplied alpha even, at least in the case of Firefox 3 and
	IE7. We then edit the DIB in-place into a version 5 one in
	BI_BITFIELDS format and undo the alpha premultiplication.

	In any case, prepend a BMP file header before letting go of the
	data which will be fed to the gdk-pixbuf bmp loader by upper
	levels.

	(gdk_win32_selection_add_targets): If some kind of pixmap image
	format is being added, actually advertise just PNG and
	CF_DIB. Note that alpha won't be stored on the clipboard through
	CF_DIB. This is because gdk-pixbuf's bmp loader doesn't save
	alpha. Furthermore, few if any non-GTK+ Windows apps seem to
	understand a version 5 DIB with proper alpha anyway.

	(_gdk_win32_selection_convert_to_dib): Simplified muchly.



svn path=/trunk/; revision=22255
2009-01-30 01:16:47 +00:00

3968 lines
106 KiB
C
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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
* 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 <glib/gprintf.h>
#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>
#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%s\n",
GDK_WINDOW_HWND (window), owner_events ? " OWNER_EVENTS" : ""));
if (!GDK_WINDOW_DESTROYED (window))
{
k_grab_owner_events = owner_events;
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_display_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;
gchar *selection_name, *target_name, *property_name;
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_SELECTION_REQUEST:
case GDK_SELECTION_NOTIFY:
case GDK_SELECTION_CLEAR:
selection_name = gdk_atom_name (event->selection.selection);
target_name = gdk_atom_name (event->selection.target);
property_name = gdk_atom_name (event->selection.property);
g_print ("sel:%s tgt:%s prop:%s",
selection_name, target_name, property_name);
g_free (selection_name);
g_free (target_name);
g_free (property_name);
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 (&current_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)
{
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;
}
}
/* If we come here, we know that if grab_window != NULL then
* grab_owner_events is TRUE
*/
while (TRUE)
{
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 */
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);
/* 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 (&current_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 (&current_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 (&current_window, _gdk_root);
}
else
{
GDK_NOTE (EVENTS, g_print (" (ignored)"));
}
return_val = TRUE;
break;
case WM_MOUSEWHEEL:
GDK_NOTE (EVENTS, g_print (" %d", (short) 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_HSCROLL:
GDK_NOTE (EVENTS,
(g_print (" %s",
(LOWORD (msg->wParam) == SB_ENDSCROLL ? "ENDSCROLL" :
(LOWORD (msg->wParam) == SB_LEFT ? "LEFT" :
(LOWORD (msg->wParam) == SB_RIGHT ? "RIGHT" :
(LOWORD (msg->wParam) == SB_LINELEFT ? "LINELEFT" :
(LOWORD (msg->wParam) == SB_LINERIGHT ? "LINERIGHT" :
(LOWORD (msg->wParam) == SB_PAGELEFT ? "PAGELEFT" :
(LOWORD (msg->wParam) == SB_PAGERIGHT ? "PAGERIGHT" :
(LOWORD (msg->wParam) == SB_THUMBPOSITION ? "THUMBPOSITION" :
(LOWORD (msg->wParam) == SB_THUMBTRACK ? "THUMBTRACK" :
"???")))))))))),
(LOWORD (msg->wParam) == SB_THUMBPOSITION ||
LOWORD (msg->wParam) == SB_THUMBTRACK) ?
g_print (" %d", HIWORD (msg->wParam)) : 0));
break;
case WM_VSCROLL:
GDK_NOTE (EVENTS,
(g_print (" %s",
(LOWORD (msg->wParam) == SB_ENDSCROLL ? "ENDSCROLL" :
(LOWORD (msg->wParam) == SB_BOTTOM ? "BOTTOM" :
(LOWORD (msg->wParam) == SB_TOP ? "TOP" :
(LOWORD (msg->wParam) == SB_LINEDOWN ? "LINDOWN" :
(LOWORD (msg->wParam) == SB_LINEUP ? "LINEIP" :
(LOWORD (msg->wParam) == SB_PAGEDOWN ? "PAGEDOWN" :
(LOWORD (msg->wParam) == SB_PAGEUP ? "PAGEUP" :
(LOWORD (msg->wParam) == SB_THUMBPOSITION ? "THUMBPOSITION" :
(LOWORD (msg->wParam) == SB_THUMBTRACK ? "THUMBTRACK" :
"???")))))))))),
(LOWORD (msg->wParam) == SB_THUMBPOSITION ||
LOWORD (msg->wParam) == SB_THUMBTRACK) ?
g_print (" %d", HIWORD (msg->wParam)) : 0));
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 (&current_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;
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
*/
GDK_NOTE (DND,
g_print (" SetClipboardData(%s,%p)",
_gdk_win32_cf_to_string (msg->wParam),
_delayed_rendering_data));
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)
{
}
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